Information Services Group - 10-K annual report 2025

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 10-K


(Mark One)
☒	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2025
Or
☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from to

Commission File Number 001-33287

Information Services Group, Inc.

(Exact name of registrant as specified in its charter)


Delaware (State of Incorporation)	20-5261587 (I.R.S. Employer Identification Number)

400 Atlantic Street

Stamford, CT 06901

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: (203) 517-3100

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol	Name of each exchange on which registered
Shares of Common Stock, $0.001 par value	III	The Nasdaq Stock Market LLC

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ◻ No ⌧

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ◻ No ⌧

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ⌧ No ◻

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ⌧ No ◻

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ◻

Accelerated filer ⌧

Non-accelerated filer ◻

Smaller reporting company ☒

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report ⌧

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. 

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ⌧

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant computed by reference to the closing sales price for the registrant’s common stock on June 30, 2025, as reported on the Nasdaq Stock Market, was approximately $196,071,163.

As of February 25, 2026, the registrant had outstanding 47,674,341 shares of common stock, par value $0.001 per share.

Documents Incorporated by Reference


Document Description	10-K Part
Portions of the Proxy Statement for the 2026 Annual Meeting of Stockholders (the “Proxy Statement”), to be filed within 120 days of the end of the fiscal year ended December 31, 2025, are incorporated by reference in Part III hereof. Except with respect to information specifically incorporated by reference in this Form 10-K, the Proxy Statement is not deemed to be filed as part hereof.	III (Items 10, 11, 12, 13, 14)

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TABLE OF CONTENTS


SAFE HARBOR STATEMENT
PART I
Item 1.	Business	5
Item 1A.	Risk Factors	11
Item 1B.	Unresolved Staff Comments	22
Item 1C.	Cybersecurity	23

Item 2.	Properties	24
Item 3.	Legal Proceedings	24
Item 4.	Mine Safety Disclosures	24
PART II
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	25
Item 6.	[Reserved]	26
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	26
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	35
Item 8.	Financial Statements and Supplementary Data	36
Item 9.	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure	36
Item 9A.	Controls and Procedures	36
Item 9B.	Other Information	37
Item 9C.	Disclosure Regarding Foreign Jurisdictions that Prevent Inspections	37
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	37
Item 11.	Executive Compensation	37
Item 12.	Security Ownership and Certain Beneficial Owners and Management and Related Stockholder Matters	37
Item 13.	Certain Relationships and Related Transactions, and Director Independence	37
Item 14.	Principal Accountant Fees and Services	37
PART IV
Item 15.	Exhibits and Financial Statement Schedules	38
Item 16.	Form 10-K Summary	38
SIGNATURES PAGE

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SAFE HARBOR STATEMENT

Information Services Group, Inc. (the “Company” “ISG,” “we,” “us” and “our”) believes that some of the information in this Annual Report on Form 10-K constitutes forward-looking statements. You can identify these statements by forward-looking words such as “may,” “expect,” “anticipate,” “contemplate,” “believe,” “estimate,” “intends” and “continue” or similar words, but this is not an exclusive way of identifying such statements. You should read statements that contain these words carefully because they:

●

discuss future expectations;

●

contain projections of future results of operations or financial condition; or

●

state other “forward-looking” information;

These forward-looking statements include, but are not limited to, statements relating to;

●

our ability to retain existing clients and contracts;

●

our ability to integrate acquisitions;

●

our ability to navigate challenges from pandemics;

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our ability to win new clients and engagements;

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our ability to implement cost reductions and productivity improvements;

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our beliefs about future trends in the sourcing industry;

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the expected spending on sourcing services by our clients;

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the growth of our markets;

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foreign currency exchange rates;

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our effective tax rate; and

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competition in the sourcing industry.

We believe it is important to communicate our expectations to our stockholders. However, there may be events in the future that we are not able to predict accurately or over which we have no control. The risk factors and cautionary language discussed in this Annual Report on Form 10-K provide examples of risks, uncertainties and events that may cause actual results to differ materially from the expectations in such forward-looking statements, including among other things:

●

the amount of cash on hand;

●

our ability to achieve or maintain adequate utilization for our consultants;

●

our business strategy;

●

cost reductions and productivity improvements may not be fully realized or realized within the expected time frame;

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continued compliance with government regulations;

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legislative or regulatory environments, requirements or changes that may adversely affect the business in which we are engaged;

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fluctuations in client demand;

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our ability to grow the business and effectively manage growth and international operations while maintaining effective internal controls;

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our ability to hire and retain enough qualified employees to support operations;

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increases in wages in locations in which we have operations;

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our ability to retain senior management;

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fluctuations in exchange rates between the U.S. dollar and foreign currencies;

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our ability to attract and retain clients and the ability to develop and maintain client relationships based on attractive terms;

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legislation or executive orders in the United States or elsewhere that adversely affects the performance of sourcing services offshore;

●

increased competition;

Table of Contents

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cyber incidents ranging from the development and deployment of malicious software to gaining access to our networks;

●

telecommunications or technology disruptions or breaches;

●

pandemics or natural or other disasters;

●

terrorist attacks and wars;

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our ability to protect our intellectual property and the intellectual property of others;

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the international nature of our business;

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political or economic instability in countries where we have operations;

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worldwide political, economic and business conditions;

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our ability to source, successfully consummate or integrate strategic acquisitions;

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the success of our focus on artificial intelligence (“AI”) advisory and AI-powered platforms; and

●

the legal, regulatory, operational, ethical and commercial risks of developing and deploying AI technology.

All forward-looking statements included herein attributable to us or any person acting on our behalf are expressly qualified in their entirety by the cautionary statements contained or referred to in this Annual Report on Form 10-K. You are cautioned not to place undue reliance on any such forward-looking statements, which speak only as of the date of this Annual Report on Form 10-K. Except to the extent required by applicable laws and regulations, we undertake no obligation to update any forward-looking statements to reflect events or circumstances after the date of this Annual Report on Form 10-K or to reflect the occurrence of unanticipated events.

You should also review the risks and uncertainties we describe in the reports we will file from time to time with the Securities and Exchange Commission after the date of this Annual Report on Form 10-K.

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PART I

Item 1. Business

Unless the context otherwise requires, Information Services Group, Inc., the registrant, is referred to in this Annual Report on Form 10-K for the fiscal year ended December 31, 2025 (the “Form 10-K”) as the “Company,” “ISG”, “we,” “us” and “our.”

Our Company

Information Services Group, Inc. (Nasdaq: III) is a global AI-centered technology research and advisory firm. A trusted partner to more than 900 clients, including 75 of the world’s top 100 enterprises, ISG is a long-time leader in technology and business services that is now at the forefront of leveraging AI to help organizations achieve operational excellence and faster growth. The firm, founded in 2006, is known for its proprietary market data and research, in-depth knowledge and governance of provider ecosystems, and the expertise of its approximately 1,500 professionals worldwide working together to help clients maximize the value of their technology investments. For more information, visit www.isg-one.com. The content on our website is available for informational purposes only. It should not be relied upon for investment purposes, nor is it incorporated by reference into this Annual Report on Form 10 K or any other filings.

Our Company was founded with the strategic vision to become a leading, high-growth provider of information-based advisory services. We continue to believe that our vision will be realized through the acquisition, integration and successful operation of market-leading brands within the data, analytics and advisory industry.

Our private and public sector clients continue to face significant technological, business and economic challenges that we believe will fuel demand for the professional services we provide. We are focused on providing unique solutions that solve key client problems. In the private sector, for example, we believe that companies will continue to face significant challenges associated with globalization and technological innovation, including the need to decrease operating costs, increase efficiencies, compete against new market entrants and evaluate and adopt increasing numbers of emerging and transformational technologies, such as artificial intelligence. Similarly, public sector organizations at the national, regional and local levels increasingly must deal with the complex and converging issues of outdated technology systems, reduced budgets and an aging workforce.

Overall, we believe the global marketplace dynamics at work in both the private and public sectors support growing demand for the professional services, analytics, platforms and advice ISG can provide. In this dynamic environment, the strength of our client relationships greatly depends on the quality of our advice and insight, our unique and valuable datasets, the independence of our thought leadership and the effectiveness of our people in assisting our clients to implement strategies that successfully address their most pressing operational challenges.

We are organized as a corporation under the laws of the State of Delaware. The current mailing address of the Company’s principal executive office is Information Services Group, Inc., 400 Atlantic Street, Stamford, CT 06901. Our telephone number is (203) 517-3100.

Our Services

ISG is a leading global provider of digital transformation and technology advisory services, helping organizations optimize performance, reduce costs, and accelerate innovation. Our expertise spans sourcing advisory, cloud and data analytics, managed governance and risk services, network and software advisory, technology strategy and operations design, change management, and market intelligence. We serve both private- and public-sector clients across the globe, supporting them through periods of expansion, consolidation, and transformation. By combining functional domain expertise with extensive empirical data and proprietary market intelligence, we enable clients to make informed strategic decisions and achieve measurable business outcomes.

The Company’s operating model is designed to extend our market leadership, enhance growth opportunities, and deliver long-term value to all stakeholders. We believe that our services address clients’ most critical priorities—advancing their digital transformation journeys and maximizing the return on their digital investments. To meet these needs, ISG operates through two global client solution areas: ISG Digital, which focuses on developing technology, transformation, sourcing, and digital solutions; and ISG Enterprise, which helps clients manage change and optimize core operations across information technology, finance, human resources, and training.

Our core solutions are supported by ISG Research, which provides extensive market analyses, provider evaluations, and data-driven insights; the ISG Network and Software Advisory portfolio; and our proprietary digital platforms—ISG GovernX®, ISG Inform™, and ISG Tango—that enable clients to improve supplier management, benchmark operational performance, and accelerate sourcing decisions. These offerings are increasingly enhanced with AI capabilities that deliver automation, analytics, and decision support across engagements. We continue to expand our industry-specific expertise in areas such as banking, insurance, and smart manufacturing.

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Every client engagement leverages our Solution Hub, which integrates ISG’s global knowledge base, tools, and intellectual property to deliver tailored solutions. Engagements are executed through our ISG iFlex™ global delivery model, which enables the efficient deployment of resources worldwide, ensuring consistent quality, scalability, and responsiveness across time zones and geographies.

Our Competitive Advantages

We believe that ISG’s long-term strategy is supported by the following set of durable competitive advantages that reinforce our market position and ability to execute effectively:

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Independence and Objectivity ISG operates solely as a technology and business advisory firm, maintaining independence from vendors and service providers. This objectivity allows us to deliver unbiased, fact-based advice that aligns with client interests and supports long-term trusted-advisor relationships.

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Proprietary Data Assets and Market Intelligence With over 30 years of benchmarking and sourcing experience, ISG has built a proprietary data repository encompassing millions of real-world data points. These assets inform our advisory, research, and platform solutions, enabling clients to make informed, data-driven decisions and benchmark performance against industry peers.

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Deep Domain and Industry Expertise Our consultants bring an average of more than 20 years of experience across technology, operations, and industry domains. This depth of expertise allows ISG to address complex digital transformation challenges and deliver customized, high-impact solutions.

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Recognized Brand and Integrated Solutions ISG is recognized globally as a leading advisory firm in digital transformation and technology research. Our integrated service portfolio—spanning sourcing, strategy, analytics, governance, and change management—strengthens our client relationships and enhances our brand equity.

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Global Reach and Scalable Delivery Model Through our presence across the Americas, Europe, and Asia-Pacific, ISG delivers consistent, high-quality service worldwide. Our iFlex™ delivery model and Solution Hub enable scalable execution, agile resourcing, and seamless collaboration across geographies and time zones.

We believe the above strengths are central to our ability to successfully advise and support our clients to address any business challenge.

Our Strategy

ISG’s current strategy is to extend our global market leadership in digital transformation advisory by deepening our data, platform, and AI-enabled capabilities while broadening our recurring revenue base.

Key priorities are as follows:

Continue to Build on our Proprietary Data Sets and Market Intelligence.

Our key strength lies in the information, data, analytics, methods, and other intellectual property that we own. This foundation ensures our operational assessments, strategy planning, deal structuring, negotiations, and other advisory services remain truly independent. With each project, we aim to expand and refine our intellectual property, offering an ever-growing and distinctive source of information, data, and analytics for our clients.

We use nearly 10 million real-world data points from benchmarking and sourcing contracts to enhance our advisory, benchmarking, and platform processes, giving us a unique advantage that's hard to duplicate. Our proprietary intellectual property is safeguarded by various legal and contractual measures. We are committed to protecting its value and enforcing our rights whenever necessary. Consequently, we have established rigorous policies and procedures for the ownership, usage, and protection of intellectual property across all parties, including our employees.

In today's AI-driven digital marketplace, ISG Research assists enterprises in addressing emerging challenges, preparing for future opportunities, and maintaining a competitive advantage. ISG Research specializes in facilitating connections between technology buyers and sellers, including major services, cloud, and software providers. Our advisory services provide ISG Research with a comprehensive

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view of the technology and sourcing landscape. Our research encompasses traditional analyst coverage as well as direct feedback from market practitioners working with some of the largest enterprise clients on their transformation initiatives.

ISG monitors over 180,000 unique technology service contracts and annually evaluates more than 4,000 service and software providers, offering valuable insights into pricing, capabilities, and provider stability. When large organizations seek to assess potential partners, they rely on ISG Research for thorough evaluations of capabilities, pricing structures, breadth of offerings, and historical performance. With rapid advancements in technology, particularly artificial intelligence, ISG Research is well-equipped to guide enterprises in avoiding trends driven by hype and focusing on meaningful outcomes. Additionally, ISG Research supports providers in navigating the marketplace through market intelligence, client retention programs, pursuit assessments, and client satisfaction benchmarking.

Continue to Invest in and Scale “Platform-Enabled” Solutions.

We continue to develop and enhance our portfolio of platforms, namely ISG GovernX, ISG Tango and ISG Inform, which are critical to our delivery model.

ISG GovernX®. We continue to expand our Supplier and Contract Management capabilities powered by our GovernX® platform, a recognized vendor compliance and risk management solution. This offering provides clients with a strategic and disciplined approach to supplier relationships and large contract management. Our suite of offerings includes supplier performance improvement, reducing spending, third-party risk mitigation and supplier-based management. Based on ISG’s 25 years of managing relationships on behalf of clients, we have a robust dataset that enables us to partner with clients to deliver improvements to their business processes and to benchmark the performance of their operations against the broader market. GovernX leverages AI to support automation across the management of third-party supplier relationships, including contract and project lifecycles and risk management. Enterprises leverage the platform to deliver more value from their outsourcing spend. GovernX users can manage new contracts and proactive renewals, make timely amendments and handle contract terminations on one platform. The platform integrates with enterprise applications, such as ServiceNow, and is connected to ISG Research offerings, including contract benchmarks, assessments and total-cost-of-ownership evaluations. Additionally, GovernX clients can mitigate supply chain risks and support business continuity through integrated data feeds and real-time alerts.

ISG Tango. Our ISG Tango sourcing platform is an AI-embedded solution that enables enterprises and public sector organizations to quickly evaluate business requirements, identify desired outcomes, accelerate provider identification and selection, collaborate with providers on developing the right solution. Through our advisory and platform-enabled sourcing work, we influence billions of total contract value each year across services, software and cloud.

ISG Inform. We continue to invest in ISG Inform™ 2.0, an enhanced version of our data-as-a-service solution that provides benchmarking capability to track digital transformation and application development maturity and performance against industry peers. ISG Inform 2.0 provides a quantified view of the health of the user’s enterprise IT landscape through a series of easy-to-read visual dashboards that display key performance indicators for infrastructure, applications and digital capabilities compared with industry peers. Data and insights are drawn from the ISG total cost of ownership and sourcing databases.

Preserve and Expand Our Market Share Positions.

We expect the trend toward operational efficiency led by accelerating adoption of AI-based technologies to play an increasing role in the demand for our services. We plan to leverage our proprietary operating platform (Tango) to serve the growing number of private and public sector organizations utilizing outside advisors when undertaking cost optimization and transformation programs. We are focused on growing our existing client base by offering integrated solutions that combine our multiple services and capabilities. In addition, leveraging Tango and our iFlex global delivery capability, we will continue to expand our market reach to address the underserved, middle-market clients.

Expand “Recurring Revenue Streams.”

Our recurring revenue streams include such annuity-based ISG offerings as ISG GovernX, ISG Research Lens, ISG Inform and multi-year Public Sector contracts. All are characterized by subscriptions (i.e., renewal-centric as opposed to project-centric revenue streams) or multi-year contracts. As companies begin to recognize the importance of managing the post-sourcing transaction period, managed services have emerged as a revenue driver for the Company, with our offerings delivered through multi-year-managed services contracts. We believe that our experience with outsourcing transactions and software implementation initiatives makes us uniquely equipped to provide research insight and direct support to help our clients manage their transformational projects or act as a third-party administrator. We will continue to pursue opportunities to leverage our experience to make research and managed services an even greater revenue generator for us. The U.S. public sector, particularly state governments, local municipalities and higher education, presents a significant opportunity for ISG. Systems are typically outdated, maintenance is expensive and the workforce charged with maintenance is aging. There is a need to refurbish systems to reduce the cost of operations (particularly because governments’ tax revenues are under pressure). We

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believe we are well positioned as a third-party, objective advisor with no affiliation to the software providers. ISG will continue to invest in the evolution of these services, with an aim to drive increased AI adoption, greater profitability and even more value for our clients.

Scale Our Emerging Services.

We seek to evolve our capabilities and offerings to align to the constantly evolving technology landscape and the future needs of our clients. ISG invests in a portfolio of future offerings with the objective of evolving our service portfolio and relationships with clients further into AI-centered Advisory, Organizational Change Management (OCM), Training-as-a-Service (TaaS) and Software Advisory. These are all areas in which we are investing in an attempt to drive increased revenue and expand client relationships.

AI Advisory Services: ISG partners with clients throughout their AI adoption journey, providing comprehensive assessments of opportunities and readiness across data, talent, operating models, security, and responsible-AI frameworks. We develop multi-year strategic roadmaps encompassing governance, milestones, and value objectives. ISG’s AI Advisory offers unbiased procurement guidance and access to a targeted network of AI platforms and specialized implementation partners, as well as optimization of legacy services and external contracts for enhanced AI-driven efficiency. Implementation is overseen through rigorous program management that monitors key performance indicators (KPIs), risks, and controls; progress, realized value, and recommended next steps are communicated to management via regular dashboards and board-level updates.

Organizational Change Management (OCM): ISG offers OCM services designed to help clients align their organizations with the overall transformation journey, a role that becomes even more vital as AI-enabled change expands the scope of business process and workforce transformation. Our approach reduces uncertainty, resistance and costly turnover by focusing on stakeholder management, targeted communications, organizational alignment, and training enablement. We establish a clear organizational baseline—mapping structure, spans, layers, and roles—then design the target operating model to support technology programs, clarifying changes to structure, roles, decision rights, incentives and performance measures. Our comprehensive change plans cover stakeholder engagement, communications, leadership alignment, capability building, training and adoption support. We drive adoption with ISG’s change pillars: leadership alignment, stakeholder management, targeted communications, customized learning and training (including TaaS), culture and employee experience work, and disciplined project delivery—supported by a digital OCM platform and change analytics to monitor sentiment and risk. Adoption and behavior change are tracked against defined KPIs and milestones, with resistance addressed early, and we provide periodic dashboards and board-level communications on progress, outcomes and next steps.

Training-as-a-Service (TaaS): ISG provides TaaS and outsourced managed learning services designed for organizations that need custom learning content and digital learning platforms but have limited resources. These organizations often require ongoing training solutions to support a workforce that is constantly changing. ISG’s TaaS uses agile methods and rapid content development tools to quickly produce training materials, while digital adoption platforms (DAP) help integrate learning into daily work routines. Services on offer include training advice, analysis, strategic planning, custom content creation, delivery support, learning software subscriptions, administration, and assessment.

Software Advisory: ISG Software Advisory partners with clients to optimize their strategic software suppliers and ecosystem by leveraging market insights, research analytics, and deep expertise to validate architecture, requirements, bill of materials, utilization, and compliance. We advise across the full software lifecycle—including strategy and architecture validation, provider selection and contracting, deployment and adoption, renewals and governance. Our approach helps reduce costs, manage software assets, mitigate compliance risks, and resolve audit issues. We support major independent software vendor (ISV) negotiations and enterprise resource planning (ERP) modernization, optimize IaaS/PaaS commitments and cloud financials, and reduce audit exposure through robust software asset management. Additionally, our advisory connects clients to buyer guides presenting a point of view on top providers by subsegment, enabling faster, lower-risk decisions and sustained value realization from software investments.

ISG Network: ISG streamlines enterprise network solutions, addressing growing demands for technologies like SD-WAN, SD-LAN, SD security, 5G, UCaaS, and CCaaS that are essential for digital transformation. As clients seek secure, scalable, and efficient networks amid rising complexity and Internet of Things (IoT) expansion, ISG Network Select helps them quickly identify optimal solutions with up-to-date vendor data and insights for better pricing negotiations.

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Preserve Our Financial Positions.

As the Company pursues new growth strategies, we remain committed to maintaining a strong financial foundation with both flexibility and liquidity. Our main priorities for available cash are investing in growth, paying dividends, buying back shares, and lowering debt. We expect our healthy cash flow and stable balance sheet to continue supporting the firm's long-term business strategy.

Deepen Industry Expertise.

We remain committed to enhancing our market-facing organization through continued investment, aiming to drive revenue growth while delivering comprehensive services to clients spanning approximately 20 industries. We have designated nine global sectors—Banking and Financial Services, Consumer Services, Energy and Utilities, Health Sciences, Insurance, Manufacturing, Media and Technology Software and Services, Public Sector, and Private Equity—as priorities for focused account leadership and in-depth solutions.

Consider Acquisitions and Other Growth Opportunities.

The business services, information, and advisory market is characterized by considerable fragmentation. Our established market leadership and strong brand recognition position us advantageously to grow through strategic acquisitions and other expansion opportunities. Integrating firms that offer complementary services and products would enable us to enhance and diversify our service portfolio as well as deepen our domain expertise. We will evaluate and may actively pursue joint ventures, mergers, and acquisitions with other organizations.

Our Proprietary Data Assets and Market Intelligence

One of our core assets is the information, data, analytics, methodologies and other intellectual property we possess. This intellectual property underpins the independent nature of our operational assessments, strategy development, deal structuring, negotiation and other consulting services we provide to our clients.

With each engagement we conduct, we enhance both the quantity and quality of the intellectual property we employ on behalf of our clients, thus providing a continuous, evolving and unique source of information, data and analytics.

This intellectual property is proprietary, and we rely on multiple legal and contractual provisions and devices to protect our intellectual property rights. We recognize the value of our intellectual property and vigorously defend it. As a result, we maintain strict policies and procedures regarding ownership, use and protection of our intellectual property with all parties, including our employees.

Clients

We operate in over 20 countries and across numerous industries. Our private sector clients operate primarily in the manufacturing, banking and financial services, insurance, health sciences, energy and utilities and consumer services industries. Our private sector clients are primarily large businesses ranked in the Forbes Global 2000 companies annually. Our public sector clients are primarily state and local governments (cities and counties) and authorities (airport and transit) in the United States and national and provincial government units in the United Kingdom, Italy and Australia.

Competition

Competition in the sourcing, data, information and advisory market is primarily driven by independence and objectivity, expertise, possession of relevant benchmarking data, breadth of service capabilities, reputation and price. We compete with other sourcing advisors, research firms, strategy consultants and sourcing service providers. A significant number of independent sourcing and advisory firms offer similar services to us. We believe we set ourselves apart with our data repository of recent, comparable transactions and benchmarking data, our depth of experience and our sourcing and technology implementation expertise, all of which are critical to implementing and managing successful transformation projects for business and governments.

Employees

As of December 31, 2025, we employed 1,290 people worldwide, of which 1,254 are full-time employees.

Our employee base includes executive management, service leads, partners, directors, advisors, analysts, technical specialists and functional support staff.

We recruit advisors from service providers and consulting firms with direct operational experience. These advisors leverage extensive practical expertise derived from experiences in corporate leadership, consulting, research, financial analysis, contract negotiations and operational service delivery.

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All employees are required to execute confidentiality, conflict of interest and intellectual property agreements as a condition of employment. There are no collective bargaining agreements covering any of our employees.

Our voluntary advisor turnover rate has ranged between 11% and 13% over the last three years.

Human Capital Management

ISG strives to employ the brightest, most innovative people in the industry, so that we can provide world-class solutions to our clients. Employees at ISG are anchored in our core values, which include trust, integrity, respect, passion, entrepreneurship, balance and mentorship.

Our almost 1,300 employees, located in over 20 countries with more than one-fourth in the United States, perform a variety of different roles. We are participants in the competitive research and advisory industries. Attracting, developing and retaining talented people in advisory, research and other positions is critical to executing on our strategy. Our ability to compete effectively depends upon a number of factors, including learning opportunities, compensation/benefits, work environment, career opportunities and a culture of inclusivity. To make this happen, we have certain programs, training, policies and practices in place, including the following:

ISG WorkLife

We have also introduced ISG WorkLife, which is a series of progressive, best practice, Next-Gen HR offerings designed to improve the quality of our employees’ work-life experience, while helping us achieve our firm-wide objectives. ISG believes this will help us attract and retain productive talent. Some of the key offerings here include:

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ISG Cares, our enhanced volunteering program, which, among other things, provides employees paid time off to attend to charitable pursuits.

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ISG Academy, our global learning and development program.

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ISG Aspire, our global mentoring program.

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ISG iRefer, which allows the Company to attract talent through employee referrals, for which employees may earn referral bonuses.

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ISG iTime, which provides flexible paid time off arrangements for employees in certain countries.

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ISG Brand Ambassador, which highlights and encourages our people’s community support and charitable pursuits while elevating the firm’s global brand.

We understand that employees have varied interests both in and outside of the workplace. These programs, and others under ISG WorkLife, provide employees with the opportunity to pursue these activities. This allows us to attract and retain productive employees and enhance diverse perspectives.

Learning

ISG’s success depends on the knowledge and productivity of our employees. To that end, the Company invests a significant amount of time and money into providing development opportunities. Our ISG Academy is robust in offering learning in such topics specific to the employee’s industry and functional areas, leadership and people management, certifications and software and technical skills, among others. In 2025, substantially all learning and development activities were delivered virtually. Our digital certified professionals participated in more than 20,000 aggregate training hours across various programs, representing an average of approximately 15 hours of training per professional devoted to learning and development during the year.

Available Information

Our Internet address is www.isg-one.com. The content on our website is available for informational purposes only. It should not be relied upon for investment purposes, nor is it incorporated by reference into this Annual Report on Form 10-K or any other filings. We make available through our Internet website under the link titled “Investors” our annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K, including any amendments or exhibits thereto, as soon as reasonably practicable after we electronically file any such materials with the Securities and Exchange Commission (the “SEC”). Copies of our key corporate governance documents, including our Code of Ethics and Business Conduct for Directors, Officers and Employees, Corporate Governance Guidelines and charters for our Audit Committee, our Nominating and Corporate Governance Committee and our Compensation Committee, are also on our website. Stockholders may request free copies of these documents, including our Annual Report to Stockholders, by writing to Information Services Group, Inc., 400 Atlantic Street, Stamford, CT 06901, Attention: Michael A. Sherrick, or by calling (203) 517-3100.

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Our annual and quarterly reports and other information statements are also available to the public through the SEC’s website at www.sec.gov.

Item 1A. Risk Factors

We operate in a highly competitive and rapidly changing environment that involves numerous risks and uncertainties, some of which are beyond our control. In addition, we and our clients are affected by global economic conditions and trends. The following sections address significant factors, events and uncertainties that make an investment in our securities risky. We urge you to consider carefully the factors described below and the risks that they present for our operations, as well as the risks addressed in other reports and materials that we file with the SEC and the other information included or incorporated by reference in this Annual Report on Form 10-K. When the factors, events and contingencies described below or elsewhere in this Annual Report on Form 10-K materialize, there could be a material adverse impact on our business, prospects, results of operations, financial condition and cash flows, any of which could have a potential negative effect on the trading price of our common stock. Additional risks not currently known to us or that we now deem immaterial may also harm us and negatively affect your investment. Additional or unforeseen effects from the global economic and geopolitical climate may give rise to or amplify many of these risks discussed below. Risks in this section are grouped in the following categories: (1) risks related to outstanding debt; (2) risks related to acquisitions and dispositions; (3) strategy and operation risks; (4) risks related to management and employees; (5) macroeconomic risks; (6) risks related to data, cybersecurity and confidential information; and (7) general risk factors. Many risks affect more than one category, and the risks are not in order of significance or probability of occurrence because they have been grouped by categories.

Risks Related to Outstanding Debt

We have a substantial amount of debt outstanding, which may limit our ability to fund general corporate requirements and obtain additional financing, limit our flexibility in responding to business opportunities and competitive developments and increase our vulnerability to adverse economic and industry conditions and changes in our debt rating.

On February 22, 2023, the Company amended and restated its senior secured credit facility to increase the revolving commitments per the revolving facility from $54.0 million to $140.0 million and eliminate its term loan (as further amended on June 27, 2024, the “2023 Credit Agreement”). As a result of the substantial variable costs associated with the debt obligations, we expect that:

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a decrease in revenues will result in a disproportionately greater percentage decrease in earnings;

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we may not have sufficient liquidity to fund all of these variable costs if our revenues decline or costs increase;

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we may have to use our working capital to fund these variable costs instead of funding general corporate requirements, including capital expenditures;

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we may not have sufficient liquidity to respond to business opportunities, competitive developments and adverse economic conditions; and

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our results of operations will be adversely affected if interest rates increase because, based on our current outstanding borrowings in the amount of $59.2 million as of December 31, 2025, a 1% increase in interest rates would result in a pre-tax impact on earnings of approximately $0.6 million per year.

These debt obligations may also impair our ability to obtain additional financing, if needed, and our flexibility in the conduct of our business. Our indebtedness under the 2023 Credit Agreement is secured by substantially all of our assets, leaving us with limited collateral for additional financing. Moreover, the terms of our indebtedness under the 2023 Credit Agreement restrict our ability to take certain actions, including the incurrence of additional indebtedness, mergers and acquisitions, investments and asset sales. Our ability to pay the fixed costs associated with our debt obligations will depend on our operating performance and cash flow, which in turn depend on general economic conditions and the advisory services market. A failure to pay interest or indebtedness when due could result in a variety of adverse consequences, including the acceleration of our indebtedness. In such a situation, it is unlikely that we would be able to fulfill our obligations, repay the accelerated indebtedness or otherwise cover our fixed costs. As of December 31, 2025, the total principal outstanding under the 2023 Credit Agreement was $59.2 million.

Our failure to comply with the covenants in our credit agreement could materially and adversely affect our financial condition and liquidity.

The 2023 Credit Agreement contains financial covenants requiring that we maintain, among other things, certain leverage and interest coverage ratios. Poor financial performance could cause us to be in default of these covenants. While we were in compliance with these covenants as of December 31, 2025, there can be no assurance that we will remain in compliance in the future. If we fail to comply with the covenants in our credit agreement, we may have to seek an amendment or waiver from our lenders to avoid the termination of their commitments and/or the acceleration of the maturity of outstanding amounts under the credit facility. The cost of our obtaining an

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amendment or waiver could be significant, and further, there can be no assurance that we would be able to obtain an amendment or waiver. If our lenders were unwilling to enter into an amendment or provide a waiver, all amounts outstanding under our credit facility would become immediately due and payable.

Our variable rate indebtedness subjects us to interest rate risk, which could cause our annual debt service obligations to increase significantly.

Borrowing under 2023 Credit Agreement bears interest at a rate per annum equal to either (i) the “Base Rate” (which is the highest of (a) the rate publicly announced from time to time by the administrative agent as its “prime rate,” (b) the Federal Funds Rate plus 0.5% per annum and (c) Term SOFR, plus 1.0%), plus the applicable margin or (ii) Term SOFR (which is the Term SOFR screen rate for the relevant interest period plus a credit spread adjustment of 0.10%) as determined by the administrative agent, plus the applicable margin. The applicable margin is adjusted quarterly based upon the Company’s consolidated leverage ratio. If interest rates increase, our debt service obligations on our variable rate indebtedness would increase even though the amount borrowed remained the same, and our cash flows could be adversely affected. An increase in debt service obligations under our variable rate indebtedness could affect our ability to make payments required under the terms of our credit facility.

Risks Related to Acquisitions and Dispositions

We have risks associated with acquisitions or investments.

Since our inception, we have expanded through acquisitions, including our most recent acquisition of Martino & Partners s.r.l. (“Martino & Partners”), a strategic advisory firm serving public and private sector clients in Italy, on September 1, 2025. In the future, we plan to pursue additional acquisitions and investments as opportunities arise. We may not be able to successfully integrate businesses that we acquire in the future without substantial expense, delays or other operational or financial problems. In addition, we may not be able to identify, acquire or profitably manage additional businesses. If we pursue acquisition or investment opportunities, these potential risks could disrupt our ongoing business, result in the loss of key customers or personnel, increase expenses and otherwise have a material adverse effect on our business, results of operations and financial condition.

Difficulties in integrating businesses we have acquired, or may acquire in the future, may demand time and attention from our senior management.

Integrating businesses we have acquired, or may acquire in the future, may involve unanticipated delays, costs and/or other operational and financial difficulties. In integrating acquired businesses, we may not achieve expected economies of scale or profitability or realize sufficient revenue to justify our investment. If we encounter unexpected problems as we try to integrate an acquired firm into our business, our management may be required to expend time and attention to address the problems, which would divert their time and attention from other aspects of our business.

We have risks associated with dispositions.

We have conducted dispositions in the past, most recently disposing of our automation business in 2024, and may again in the future. Disposition involve risks and uncertainties, such as our ability to sell such businesses for a satisfactory price and terms and in a timely manner, or at all, potential disruptions to other parts of our organization and distraction of management, the reallocation of internal resources that would otherwise be devoted to completing strategic acquisitions, potential losses of key employees or customers, exposure to unanticipated liabilities, any ongoing obligations to support the business following any such disposition, and other adverse financial impacts. The realization of any of these risks could adversely affect our business.

Strategy and Operation Risks

Our operating results have in the past been, and may in the future be, adversely affected by worldwide economic conditions and credit tightening.

Our results of operations are affected by the level of business activity of our clients, which in turn is affected by the level of economic activity in the industries and markets that they serve. A decline in the level of business activity of our clients, such as the impact of a pandemic, inflation, slowing growth, rising interest rates and recession, could have a material adverse effect on our revenue and profit margin. Future economic conditions could cause some clients to reduce or defer their expenditures for consulting services. We have implemented and will continue to implement cost-savings initiatives to manage our expenses as a percentage of revenue. However, current and future cost-management initiatives may not be sufficient to maintain our margins if the economic environment should weaken for a prolonged period.

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The rate of growth in the broadly defined business information services and advisory sector and/or the use of technology in business may fall significantly below the levels that we currently anticipate.

Our business is dependent upon continued growth in sourcing activity, the use of technology in business by our clients and prospective clients and the continued trend towards sourcing of complex information technology and business process tasks by large and small organizations. If sourcing diminishes as a management and operational tool, the growth in the use of technology slows down or the cost of sourcing alternatives rises, our business could suffer. Companies that have already invested substantial resources in developing in-house information technology and business process functions may be particularly reluctant or slow to move to a sourcing solution that may make some of their existing personnel and infrastructure obsolete.

We may not be successful in our artificial intelligence initiatives, which could adversely affect our business, reputation or financial results.

Artificial intelligence presents new risks and challenges that may affect our business. We have made, and expect to continue to make, investments to integrate AI and machine learning technology into our services. Given the nature of AI technology, we face significant competition from other companies and an evolving regulatory landscape. Our AI efforts may not be successful, and our competitors may incorporate AI into their products more successfully than us, which could impair our ability to compete effectively and adversely affect our financial results. The rapid evolution of AI combined with the uncertain and often inconsistent regulatory landscape may require significant additional resources and costs and could in some cases limit our ability to implement AI capabilities in our solutions or potentially result in the implementation failing to produce the desired outcome. Despite our implementation of programs designed to support responsible AI use and development, we may not successfully address all issues that may arise. For example, privacy concerns, user consent, supply chain security, transparency and the accuracy, completeness and suitability of data sets are all potential issues that could adversely affect our business, reputation or financial results.

The development, deployment, and use of artificial intelligence technologies, including generative AI, involve significant legal, regulatory, operational, ethical and commercial risks, any of which could materially and adversely affect our business, financial condition, results of operations and reputation.

We are increasing our use of AI across our service delivery, advisory offerings and internal operations. AI technologies are at an early stage of development and present uncertainties regarding reliability, accuracy, explainability, data governance and long-term economic viability. Although we are dedicating resources to AI-related investments, training and partnerships, we may be unable to develop, procure, implement, or maintain AI tools and capabilities in a manner that meets client requirements, complies with applicable laws or produces anticipated operational or financial benefits.

AI systems may generate outputs that are inaccurate, biased, incomplete, unpredictable or otherwise unintended. Such outcomes could result in operational failures, adverse client impacts, misinformed decision-making, or reputational harm. Any failure by us—or by third parties whose tools or data we use—to appropriately design, test, validate, monitor or govern AI systems could expose us to contractual claims, indemnification demands, regulatory enforcement, litigation, financial penalties or other liabilities.

The regulatory framework governing AI is rapidly evolving and varies significantly across jurisdictions in which we operate. New or amended laws, regulations, standards or guidance may impose additional obligations on the development, use, auditing or documentation of AI systems, restrict certain uses of AI, require enhanced disclosures, or create new liabilities. Compliance with such frameworks may require substantial investment in governance, controls, reporting processes and oversight mechanisms. Failure to comply—whether actual or perceived—may result in investigations, fines, operational restrictions, adverse publicity or loss of client trust.

Our competitive position may be adversely affected by rapid technological change and heightened competition related to AI. Competitors, including global consultancies, technology vendors, hyperscalers and emerging AI-native firms, may introduce capabilities that exceed or supplant our own. Clients may accelerate internal development of AI capabilities that reduce demand for our services. AI and automation may also diminish the need for certain services currently provided by our personnel, and we may not be able to adjust our delivery model, pricing, staffing, training or organizational structure in a timely or cost-effective manner.

In addition, our AI capabilities depend on access to third-party infrastructure, data sets, cloud environments, software, models and specialized hardware. Supply constraints, increased pricing, licensing limitations, service interruptions, security vulnerabilities and/or incidents, or changes in contractual terms could materially impair our ability to develop, deliver or support AI-related services. Uncertainties regarding ownership, licensing or permissible use of training data, model outputs or other intellectual property may expose us to disputes, forced modifications, operational delays or damages.

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Any of the foregoing factors—individually or collectively—could materially and adversely affect our business, financial condition, results of operations and reputation.

Our engagements may be terminated, delayed or reduced in scope by clients at any time.

Our clients may decide at any time to abandon, postpone and/or reduce our involvement in an engagement. Our engagements can be terminated, or the scope of our responsibilities may be diminished, with limited advance notice. If an engagement is terminated, delayed or reduced unexpectedly, the professionals working on the engagement could be underutilized until we assign them to other projects. Accordingly, the termination or significant reduction in the scope of a single large engagement, or multiple smaller engagements, could harm our business results.

Our operating results may fluctuate significantly from period to period as a result of factors outside of our control.

Our revenues and operating results may vary significantly from accounting period to accounting period due to factors including:

●fluctuations in revenues earned on contracts;

●commencement, completion or termination of engagements during any particular period;

●additions and departures of key advisors;

●transitioning of advisors from completed projects to new engagements;

●seasonal trends;

●introduction of new services by us or our competitors;

●changes in fees, pricing policies or compensation arrangements by us or our competitors;

●strategic decisions by us, our clients or our competitors, such as acquisitions, divestitures, spin-offs, joint ventures, strategic investments or changes in business strategy;

●global economic and political conditions and related risks, including acts of terrorism, war, pandemics, inflation, slowing growth, rising interest rates and recession; and

●conditions in the travel industry that could prevent our advisors from traveling to client sites.

We depend on project-based advisory engagements, and our failure to secure new engagements could lead to a decrease in our revenues.

Advisory engagements typically are project-based. Our ability to attract advisory engagements is subject to numerous factors, including the following:

●delivering consistent, high-quality advisory services to our clients;

●tailoring our advisory services to the changing needs of our clients;

●matching the skills and competencies of our advisory staff to the skills required for the fulfillment of existing or potential advisory engagements; and

●maintaining a global business operation.

Any material declines in our ability to secure new advisory arrangements could have an adverse impact on our revenues and financial condition.

Clients’ failure or inability to pay for our services, whether on a timely basis or at all, could materially, adversely affect our results of operations and financial condition.

As further described in Note 2 to the Consolidated Financial Statements, “Summary of Significant Account Policies – Accounts Receivable, Contract Assets and Allowance for Doubtful Accounts,” the Company has been engaged in litigation with certain clients who have either failed to make payments as per the contracted payment schedule or have disputed account receivable balances for services rendered. While we maintain an allowance for doubtful accounts for estimated losses resulting from the inability of clients to pay fees or for disputes that affect our ability to fully collect billed accounts receivable, our actual experience may vary from these estimates, and there is no guarantee that such allowance will ultimately be sufficient. We may be required to record additional allowances or write offs in future periods, which, in turn, could adversely impact our financial condition and results of operation.

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Moreover, while the Company continues to aggressively pursue legal action and/or collection against clients who dispute charges or fail to make payments, there is no guarantee that the Company’s legal actions will be successful, that actual collections from clients will reflect the Company’s estimate of amounts owed, and/or that the Company will be able to recoup legal fees expended on such actions.

If we are unable to achieve or maintain adequate utilization for our consultants, our operating results could be adversely impacted.

Our profitability depends to a large extent on the utilization of our consultants. Utilization of our consultants is affected by a number of factors, including:

●additional hiring of consultants because there is generally a transition period for new consultants;

●the number and size of client engagements;

●the unpredictability of the completion and termination of engagements;

●our ability to transition our consultants efficiently from completed engagements to new engagements;

●unanticipated changes in the scope of client engagements or unexpected terminations of client engagements; and

●our ability to maintain an appropriate level of consultants by forecasting the demand for our services.

We could lose money on our fixed-fee or capped-fee contracts.

As part of our strategy, from time to time, we enter into fixed-fee contracts, in addition to contracts based on payment for time and materials with capped fees. Because of the complexity of many of our client engagements, accurately estimating the cost, scope and duration of a particular engagement can be difficult. If we fail to make accurate estimates, we could be forced to devote additional resources to these engagements for which we will not receive additional compensation. While losses on our fixed-fee contracts are rare, to the extent that an expenditure of additional resources is required on an engagement, this could reduce the profitability of, or result in a loss on, the engagement.

Our contracts with contingent-based revenue may cause unusual variations in our operating results.

As part of our strategy, from time to time, we earn incremental revenues, in addition to hourly or fixed-fee billings, which are contingent on the attainment of certain contractual milestones or objectives. Because it is uncertain when the milestones or objectives will be achieved, if ever, any such incremental revenues may cause unusual variations in quarterly revenues and operating results. Also, whether any contractual milestones or objectives are achieved may become subject to dispute.

We may not be able to maintain our existing services and products.

We operate in a rapidly evolving market, and our success depends upon our ability to deliver high-quality advice and analysis to our clients. Any failure to continue to provide credible and reliable information and advice that is useful to our clients could have a significant adverse effect on future business and operating results. Further, if our advice proves to be materially incorrect and the quality of service is diminished, our reputation may suffer and demand for our services and products may decline. In addition, we must continue to improve our methods for delivering our products and services in a cost-effective manner.

Expanding our service offerings may not be profitable.

We may choose from time to time to develop new service offerings because of market opportunities or client demands. Developing new service offerings involves inherent risks, including:

●a lack of market understanding;

●competition from more established market participants;

●any inability to estimate demand for the new service offerings; and

●unanticipated expenses to hire qualified consultants and to market our new service offerings.

If we cannot manage the risks associated with new service offerings effectively, we are unlikely to be successful in these efforts, which could harm our ability to sustain profitability.

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We may not have the ability to develop and offer the new services and products that we need to remain competitive.

Our future success will depend in part on our ability to offer new services and products. To maintain our competitive position, we must continue to enhance and improve our services and products, develop or acquire new services and products in a timely manner and appropriately position and price new services and products relative to the marketplace and our costs of producing them. These new services and products must successfully gain market acceptance by addressing specific industry and business sectors and by anticipating and identifying changes in client requirements. The process of researching, developing, launching and gaining client acceptance of a new service or product, or assimilating and marketing an acquired service or product, is risky and costly. We may not be able to introduce new, or assimilate acquired, services and products successfully. Any failure to achieve successful client acceptance of new services and products could have an adverse effect on our business results.

We may fail to anticipate and respond to market trends.

Our success depends in part upon our ability to anticipate rapidly changing technologies and market trends and to adapt our advice, services and products to meet the changing sourcing advisory needs of our clients. Our clients regularly undergo frequent and often dramatic changes. That environment of rapid and continuous change presents significant challenges to our ability to provide our clients with current and timely analysis, strategies and advice on issues of importance to them. Meeting these challenges requires the commitment of substantial resources. Any failure to continue to respond to developments, technologies and trends in a manner that meets market needs could have an adverse effect on our business results.

We may be unable to protect important intellectual property rights.

We rely on copyright and trademark laws, as well as nondisclosure and confidentiality arrangements, to protect our proprietary rights in our methods of performing our services, our data and our tools for analyzing financial and other information. There can be no assurance that the steps we have taken, or may take in the future, to protect our intellectual property rights will be adequate to deter misappropriation of our rights or that we will be able to detect unauthorized use and take timely and effective steps to enforce our rights. If substantial and material unauthorized uses of our proprietary methodologies, data and analytical tools were to occur, we may be required to engage in costly and time-consuming litigation to enforce our rights. There can be no assurance that we would prevail in such litigation. If others were able to use our intellectual property or were to independently develop our methodologies or analytical tools, our ability to compete effectively and to charge appropriate fees for our services may be adversely affected.

We face competition and our failure to compete successfully could materially adversely affect our results of operations and financial condition.

The business information services and advisory sector is highly competitive, fragmented and subject to rapid change. We face competition from many other providers ranging from large organizations to small firms and independent contractors that provide specialized services. Our competitors include any firm that provides sourcing or benchmarking advisory services, IT strategy or business process consulting, which may include a variety of consulting firms, service providers, niche advisors and, potentially, advisors currently or formerly employed by us. Some of our competitors have significantly more financial and marketing resources, larger professional staffs, closer client relationships, broader geographic presences or more widespread recognition than us.

In addition, limited barriers to entry exist in the markets in which we do business. As a result, additional new competitors may emerge, and existing competitors may start to provide additional or complementary services. There can be no assurance that we will be able to successfully compete against current and future competitors and our failure to do so could result in loss of market share, diminished value in our products and services, reduced pricing and increased marketing expenditures. Furthermore, we may not be successful if we cannot compete effectively on quality of advice and analysis, timely delivery of information, client service or the ability to offer services and products to meet changing market needs for information, analysis or price.

We derive a significant portion of our revenues from our largest clients and could be materially and adversely affected if we lose one or more of our large clients.

Our 25 largest clients accounted for approximately 30% of revenue in both 2025 and 2024. If one or more of our large clients terminate, significantly reduce their engagement or fail to remain a viable business, then our revenues could be materially and adversely affected. In addition, sizable receivable balances could be jeopardized if large clients fail to remain a going concern.

Risks Related to Management and Employees

The loss of key executives could adversely affect our business.

The success of our business is dependent upon the continued service of a relatively small group of key executives, including Michael P. Connors, Chairman and Chief Executive Officer; Todd D. Lavieri, Vice Chairman and President – ISG Americas and Asia

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Pacific; Michael A. Sherrick, Executive Vice President and Chief Financial Officer; and Thomas S. Kucinski, Executive Vice President and Chief Human Resources Officer, among others.

Although we currently intend to retain our existing management, we cannot assure that such individuals will remain with us for the immediate or foreseeable future. The unexpected loss of the services of one or more of these executives could adversely affect our business.

We rely heavily on key members of our management team.

We are dependent on our management team. We grant restricted stock units (“RSUs”) from time to time to key employees and, in connection with such grants, require recipients to execute a restrictive covenant agreement. Vested and unvested RSUs will be forfeited upon any violation of the restrictive covenant agreement. We may not be able to retain these managers and may not be able to enforce the restrictive covenants. If we were to lose a number of key members of our management team and were unable to replace such individuals quickly, we could have difficulty maintaining our growth and certain key relationships with large clients and face competition from these former managers if the restrictive covenants are unenforceable.

We depend upon our ability to attract, retain and train skilled advisors and other professionals.

Our business involves the delivery of advisory and consulting services. Therefore, our continued success depends in large part upon our ability to attract, develop, motivate, retain and train skilled advisors and other professionals who have advanced information technology and business processing domain expertise, financial analysis skills, project management experience and other similar abilities. These advisors could resign and join one of our competitors or provide sourcing advisory services to our clients through their own ventures.

We must also recruit staff globally to support our services and products. We face competition for the limited pool of these qualified professionals from, among others, technology companies, market research firms, consulting firms, financial services companies and electronic and print media companies, some of which have a greater ability to attract and compensate these professionals. Moreover, increasing wage inflation may affect our profit margin as we strive to provide compensation packages that are competitive. We face risks related to global labor shortages, and competitive markets have increased attrition throughout our sector. Some of the personnel that we attempt to hire may be subject to non-compete agreements that could impede our short-term recruitment efforts. Any failure to retain key personnel or hire and train additional qualified personnel as required to support the evolving needs of clients or growth in our business could adversely affect the quality of our products and services, and our future business and operating results.

We may have agreements with certain clients that limit the ability of particular advisors to work on some engagements for a period of time.

We provide services primarily in connection with significant or complex sourcing transactions and other matters that provide potential competitive advantages and/or involve sensitive client information. Our engagement by a client occasionally precludes us from staffing certain advisors on new engagements with other clients because the advisors have received confidential information from a client who is a competitor of the new client. Furthermore, it is possible that our engagement by a client could preclude us from accepting engagements with such client’s competitors because of confidentiality concerns.

Macroeconomic Risks

Our international operations expose us to a variety of risks that could negatively impact our future revenue and growth.

Approximately 34% of our revenues for 2025 and 36% of our revenues for 2024 were derived from sales outside of the Americas. Our operating results are subject to the risks inherent in international business activities, including:

●tariffs and trade barriers;

●regulations related to customs and import/export matters;

●restrictions on entry visas required for our advisors to travel and provide services;

●tax issues, such as tax law changes and variations in tax laws as compared to the United States;

●cultural and language differences;

●an inadequate banking system;

●foreign exchange controls;

●restrictions on the repatriation of profits or payment of dividends;

●crime, strikes, riots, civil disturbances, pandemics, terrorist attacks and wars;

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●nationalization or expropriation of property;

●law enforcement authorities and courts that are inexperienced in commercial matters; and

●deterioration of political relations with the United States.

Air travel, telecommunications and entry through international borders are all vital components of our business. If a pandemic, military conflict or terrorist attack were to occur, our business could be disproportionately impacted because of the disruption, including potential cancellation of ISG events.

Further, conducting business abroad subjects us to increased regulatory compliance and oversight. For example, in connection with our international operations, we are subject to laws prohibiting certain payments to governmental officials, such as the Foreign Corrupt Practices Act of 1977, as amended. A failure to comply with applicable regulations could result in regulatory enforcement actions as well as substantial civil and criminal penalties assessed against us and our employees.

We intend to continue to expand our global footprint in order to meet our clients’ needs. This may involve expanding into countries beyond those in which we currently operate, including into less-developed countries that may have less political, social or economic stability and less-developed infrastructure and legal systems. As we expand our business into new countries, regulatory, personnel, technological and other difficulties may increase our expenses or delay our ability to start up operations or become profitable in such countries. This may affect our relationships with our clients and could have an adverse effect on our business.

Changes to trade policy, including new or increased tariffs and changing import/export regulations, may adversely affect our business, financial condition and results of operations.

Changes in U.S. or international laws and policies governing foreign trade could materially and adversely affect our business. The U.S. has instituted certain changes, and has proposed additional changes, in trade policies that include the negotiation or termination of trade agreements, the imposition of higher tariffs on imports into the U.S. and other government regulations affecting trade between the U.S. and other countries where we conduct our business. The new tariffs and other changes in U.S. trade policy have triggered retaliatory actions by affected countries, and foreign governments have instituted, or are considering imposing, trade sanctions on U.S. goods.

The imposition of tariffs and other trade restrictions, as well as the escalation of trade disputes and any downturns in the global economy resulting therefrom, could materially and adversely affect our business, financial condition and results of operations. The extent and duration of the tariffs and other trade restrictions and the resulting impact on general economic conditions and on our business are uncertain and depend on various factors, such as negotiations between the U.S. and affected countries, the responses of other countries or regions, exemptions or exclusions that may be granted, the availability and cost of alternative sources of supply and demand for our services in affected markets.

We operate in a number of international areas which exposes us to significant foreign currency exchange rate risk.

We have significant international revenue, which is predominantly collected in local currency. It is expected that our international revenues will start to show growth as European and Asian Pacific markets adopt to sourcing solutions. The translation of our revenues into U.S. dollars, as well as our costs of operating internationally, may adversely affect our business, results of operations and financial condition.

Risks Related to Data, Cybersecurity and Confidential Information

Data protection and emerging cybersecurity laws and self-regulatory codes may restrict our activities and increase our costs.

Various statutes and rules regulate conduct in areas such as privacy, data protection, and cybersecurity that may affect our collection, use, storage, and transfer of information both abroad and in the United States. Compliance with these laws and self-regulatory codes may require us to make certain investments or may dictate that we not offer certain types of services or only offer such services after making necessary modifications. Moreover, these laws and regulations impose operational requirements, including disclosures to consumers about personal data practices, opt-out and consent choices and required contractual terms with certain third parties, and obligations to provide notice to individuals, third parties, and/or regulators in the event of certain cybersecurity incidents involving personal data. Failure to comply with these laws and self-regulatory codes may result in, among other things, civil and criminal liability, negative publicity, restrictions on further use of data, fines, and/or liability under contractual warranties.

In addition, there is an increasing public concern regarding data and consumer protection issues, with the result that the number of jurisdictions with data protection laws continues to increase and the scope of existing privacy laws and the data considered to be covered by such laws keeps expanding. Changes in these laws (including newly released interpretations of these laws by courts and regulatory bodies)

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may limit our client data access, use and disclosure, and may require increased expenditures by us or may dictate that we may not offer certain types of services.

As a global company, ISG must comply with various international and domestic data privacy regulations such as (i) the EU and UK General Data Protection Regulation (“GDPR”), which has extra-territorial scope and substantial fines for breaches (up to 4% of global annual revenue or €20 million, whichever is greater), (ii) the California Consumer Privacy Act, which, unlike data privacy provisions enacted by other US states, covers individuals acting in a commercial or employment context not just as consumers, and (iii) the Australian Privacy Act, among others. In addition, India’s Ministry of Electronics and Information Technology notified the Digital Personal Data Protection Rules 2025 (the “Rules”) November 13, 2025, operationalizing the Digital Personal Data Protection Act 2023 (“DPDPA”) enacted by the Parliament of India in August 2023. Companies operating in India must meet the DPDPA’s core compliance obligations, which includes reporting data breaches within seventy-two hours, appointing consent managers and data protection officers, and implementing systems for express user permission, within a phased twelve-to-eighteen-month timeline. Like the GDPR, the DPDPA has extra-territorial reach. The DPDPA shares many provisions with existing privacy laws, and ISG therefore anticipates that its existing processes already broadly align with the law. However, like the GDPR, failure to comply with the DPDPA may lead to substantial fines. ISG is also continuing to monitor the development of and public guidelines regarding the EU’s ePrivacy Regulation to determine whether further action is required.

To mitigate the risk and negative exposure of data outside ISG, we have put in place a data protection framework that includes policies, procedures, guidance and records. This includes policies and procedures for rights and usage of personal and client data.

We are exposed to risks related to cybersecurity.

A significant portion of our business is conducted over the internet, and we rely on the secure processing, storage and transmission of confidential, sensitive, proprietary and other types of information relating to our business operations and confidential and sensitive information about our clients and employees in our computer systems and networks, and in those of our third-party vendors. Individuals, groups, state-sponsored organization, and actors utilizing AI may take steps that pose threats to our operations, our computer systems, our employees, and our clients. The cybersecurity risks we face range from cyberattacks common to most industries, such as the development and deployment of malicious software to gain access to our networks and attempt to steal confidential information, launch distributed denial of service attacks or attempts at other coordinated disruptions, to more advanced threats that target us because of our prominence in the global research and advisory field. Ransomware risk has increased significantly in recent years and presents a significant risk of financial extortion and loss of data. Our operating model allows employees to continue to work remotely or on a hybrid basis, which magnifies the importance of the integrity of our remote access security measures.

We have robust measures in place to address and mitigate cyber-related risks. Notwithstanding this, we continue to experience attack attempts against our environment. We have and continue to expect to invest in the security and resiliency of our networks and products and to enhance our internal controls and processes, which are designed to help protect our systems and infrastructure and the information they contain. These include timely detection of incidents through monitoring, training, incident response capabilities and mitigating cyber and security risks to our data, systems, products and services. However, given the complex, continuing and evolving nature of cyber and other security threats, these efforts may not be fully effective, particularly against previously unknown vulnerabilities that could go undetected for an extended period.

We also face risks related to our use of third-party suppliers, with whom we may share data and operational systems. If such suppliers are affected by a cybersecurity threat or incident, it could result in not only a reduction in or loss of their ability to service us (which could be a significant component of our services to clients) but also the exposure of ISG or client data or a potential backdoor into ISG’s systems and network.

We are exposed to risks related to artificial intelligence.

We recognize that our use of AI introduces risks related to data protection, cybersecurity, model integrity, confidentiality and operational reliability. In particular, our use of AI technologies may expose us to errors, data quality issues, security vulnerabilities, or other harms, especially as these technologies can behave unpredictably, fail, or produce inaccurate or biased outputs. Failures in oversight, system design, or data quality could result in various harms to us or our clients, including, but not limited to, operational disruptions, security or privacy incidents, and/or reputational challenges. Because AI systems can be complex and difficult to fully evaluate or audit, we may be unable to detect errors or vulnerabilities in a timely manner. If we are unable to effectively implement, monitor, and manage these technologies, our business, financial condition, and results of operations could be adversely affected.

In light of these risks, we have established governance processes intended to support the responsible evaluation, approval, deployment and monitoring of AI tools used in our internal operations and in client delivery. These processes include review mechanisms

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for higher-risk AI use cases, defined roles and responsibilities for management oversight, and coordination among our information security, legal, compliance and risk management functions.

Our Board of Directors, through its designee, the Information Security Committee (“ISC”), receives periodic updates from management regarding emerging AI-related risks, regulatory developments, and the potential impact of AI on our operations, technology environment and risk profile. Management is responsible for implementing controls, policies, training and monitoring procedures relevant to AI technologies, including restrictions on the use of unapproved or public AI tools that may create confidentiality, cybersecurity or compliance risks.

As AI technologies and associated global and domestic laws and regulations continue to evolve, we may be required to, among other things: enhance our governance frameworks, controls, documentation and reporting practices, increase our compliance costs; and/or limit our use of certain technologies. There can be no assurance that our processes will be sufficient to prevent or mitigate all AI-related risks, and failures or limitations in these processes could have a material adverse effect on our operations, reputation or regulatory posture. Moreover, any failure to comply with emerging AI regulatory frameworks could result in enforcement actions, fines, or other adverse consequences.

We may be subject to claims for substantial damages by our clients arising out of disruptions to their businesses or inadequate service, and our insurance coverage may be inadequate.

Most of our service contracts with clients contain service level and performance requirements, including requirements relating to the quality of our services. Failure to consistently meet the service requirements of a client or errors made by our employees while delivering services to our clients could disrupt the client’s business and result in a reduction in revenues or a claim for damages against us. Additionally, we could incur liability if a process we manage for a client was to result in internal control failures or impair our client’s ability to comply with their own internal control requirements.

Under our service agreements with our clients, our liability for breach of our obligations is generally limited to actual damages suffered by the client and is typically capped at the greater of an agreed amount or the fees paid or payable to us under the relevant agreement. These limitations and caps on liability may be unenforceable or otherwise may not protect us from liability for damages. In addition, certain liabilities, such as claims of third parties for which we may be required to indemnify our clients or liability for breaches of confidentiality, are generally not limited under those agreements. Although we have general commercial liability insurance coverage, the coverage may not continue to be available on acceptable terms or in sufficient amounts to cover one or more large claims. The successful assertion of one or more large claims against us that exceed available insurance coverage or changes in our insurance policies (including premium increases or the imposition of large deductible or co-insurance requirements) could have a material adverse effect on our business.

We could have liability, or our reputation could be damaged, if we fail to protect client and/or our data from security breaches or cyberattacks.

We are dependent on information technology networks and systems to securely process, transmit and store electronic information and to communicate among our locations around the world and with our people, clients, alliance partners and vendors. As the breadth and complexity of this infrastructure continues to grow, because of the use of mobile technologies, social media and cloud-based services, the risk of security breaches and cyberattacks increases. Such breaches could lead to shutdowns or disruptions of or damage to our systems and those of our clients, alliance partners and vendors and unauthorized disclosure of sensitive or confidential information, including confidential or personal data.

In addition, third party Cyber Security Risk is a critical focus for us. All potential new suppliers go through our Data Protection Impact Assessment (“DPIA”) process. This starts with an initial screening questionnaire. The questionnaire covers what personal data and client data is processed, whether the third party has any access requirements to our environment and how is data is transferred. From this, our security team assesses the third party, conducts further due diligence, and reviews contractual clauses. If the risk assessment identifies that the baseline Information security & privacy technical and organizational controls are not met, the business will be advised accordingly. The outcome of all DPIAs is recorded on the DPIA register. All new third parties processing personal data or client data are assessed to be either Tier 1, 2 or 3, with Tier 1 being the highest risk in terms of data processed or interactions to our environment from a cyber security threat perspective. Tier 1 and 2 third parties are recorded on our business-critical services register and reviewed annually, and we review the compliance documentation, such as latest ISO certifications, SOC2 reports and pen tests, of those Tier 1 and 2 third parties. Tier 3 third parties are recorded on the DPIA register, but no further due diligence is performed by the security team, as Tier 3 third parties process no client or personal data and have no access or integration to ISG’s network or systems. As part of our continuous improvement in our third-party risk management process, we engage the services of a third-party risk monitoring service to monitor threat intelligence and known vulnerabilities.

Although we seek to prevent, detect, and investigate cybersecurity threats and incidents, and have taken steps to mitigate the likelihood of network security breaches, there can be no assurance that attacks by unauthorized users will not be attempted in the future or

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that our security measures will be effective. Unauthorized disclosure of sensitive or confidential client data, whether through breach of our processes, systems or otherwise, could subject us to liability, damage our reputation and cause us to lose existing and potential clients. We may also be subject to civil actions and/or criminal prosecution by government or quasi-government agencies for breaches relating to such data. Our insurance coverage for breaches or mismanagement of such data may not continue to be available on reasonable terms or in sufficient amounts to cover one or more large claims against us.

Client restrictions on the use of client data could adversely affect our activities.

Most of the data we use to populate our databases comes from our client engagements. The insight sought by clients from us relates to the contractual data and terms, including pricing and costs, to which we have access while assisting our clients in the negotiation of our sourcing agreements. Data is obtained through the course of our engagements with clients who agree to contractual provisions permitting us to consolidate and utilize on an aggregate basis such information. If we were unable to utilize key data from previous client engagements, our business, financial condition and results of operations could be adversely affected.

General Risk Factors

Failure to maintain effective internal control over financial reporting could adversely affect our business and the market price of our common stock.

Pursuant to rules adopted by the SEC implementing Section 404 of the Sarbanes Oxley Act of 2002, we are required to assess the effectiveness of our internal control over financial reporting and provide a management report on our internal control over financial reporting in all annual reports. This report contains, among other matters, a statement as to whether or not our internal control over financial reporting is effective and the disclosure of any material weaknesses in our internal control over financial reporting identified by management.

The Committee of Sponsoring Organizations of the Treadway Commission (COSO) provides a framework for companies to assess and improve their internal control systems. Auditing Standard No. 5 provides the professional standards and related performance guidance for auditors to attest to, and report on, management’s assessment of the effectiveness of internal control over financial reporting under Section 404. Management’s assessment of internal control over financial reporting requires management to make subjective judgments and some of the judgments will be in areas that may be open to interpretation. Therefore, our management’s report on our internal control over financial reporting may be difficult to prepare, and our auditors may not agree with our management’s assessment.

While we currently believe our internal control over financial reporting is effective, we are required to comply with Section 404 on an annual basis. If, in the future, we identify one or more material weaknesses in our internal control over financial reporting during this continuous evaluation process, our management will be unable to assert such internal control is effective. Therefore, if we are unable to assert that our internal control over financial reporting is effective in the future, or if our auditors are unable to express an opinion on the effectiveness of our internal control, our investors could lose confidence in the accuracy and completeness of our financial reports, which could have an adverse effect on our business and the market price of our common stock.

Our actual operating results may differ significantly from our guidance.

From time to time, we release guidance regarding our future performance that represents our management’s estimates as of the date of release. This guidance, which consists of forward-looking statements, is prepared by our management and is qualified by, and subject to, the assumptions and the other information contained or referred to in the release. Our guidance is not prepared with a view toward compliance with published guidelines of the Public Company Accounting Oversight Board (United States) and neither our independent registered public accounting firm nor any other independent expert or outside party compiles or examines the guidance and, accordingly, no such person or firm expresses any opinion or any other form of assurance with respect thereto. Guidance is based upon a number of assumptions and estimates that, while presented with numerical specificity, is inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are beyond our control and are based upon specific assumptions with respect to future business decisions, some of which will change. The principal reason that we release this data is to provide a basis for our management to discuss our business outlook with analysts and investors. We do not accept any responsibility for any projections or reports published by any such persons. Guidance is necessarily speculative in nature, and it can be expected that some or all of the assumptions of the guidance furnished by us will not materialize or will vary significantly from actual results. Accordingly, our guidance is only an estimate of what management believes is realizable as of the date of release. Actual results will vary from the guidance and the variations may be material. Investors should also recognize that the reliability of any forecasted financial data diminishes the farther in the future that the data is forecast. In light of the foregoing, investors are urged to put any guidance in context and not to place undue reliance on it. Any failure to successfully implement our operating strategy or the occurrence of any of the events or circumstances set forth in this Annual Report on Form 10-K could result in the actual operating results being different than the guidance, and such differences may be adverse and material.

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We may experience employment-related claims, commercial indemnification claims and other legal proceedings that could materially harm our business.

We currently are, and may again in the future be, subject to employment-related claims in certain of the jurisdictions in which we operate, including claims of wage and hour violations. We incur a risk of liability for claims relating to employment-related matters, contractual obligations, government inquiries and other claims. Some or all of these claims may give rise to litigation or settlements, which may cause us to incur costs or have other material adverse impacts on our financial statements. Additionally, new employment and labor laws and regulations may be proposed or adopted in the jurisdictions in which we operate that may increase the potential exposure of employers to employment-related claims and litigation.

Certain clients have negotiated broad indemnification provisions regarding the services we provide. In addition, we may have liability to our clients for the action or inaction of our consultants that may cause harm to our clients or third parties. In some cases, we must indemnify our clients for certain acts of our consultants or arising from our consultants’ presence on the client’s job site. We may also incur fines, penalties, and losses that are not covered by insurance or negative publicity with respect to these matters.

Item 1B. Unresolved Staff Comments

None.

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Item 1C. Cybersecurity

ISG maintains a cyber risk management program designed to identify, assess, manage, mitigate and respond to cybersecurity threats. This program is integrated within the Company’s enterprise risk management system and addresses both the corporate information technology environment and the Company’s client-facing products. We regularly assess the threat landscape, taking a holistic view of cybersecurity threats, as such term is defined in Item 106(a) of Regulation S-K.

The underlying controls of the cyber risk management program are based on recognized best practices and standards for cybersecurity and information technology. ISG performs annual assessments, by two independent third parties, against the International Organization Standardization (“ISO”) 27001 Information Security Management System requirements for which we maintain certification. ISG also maintains certification across other cyber security frameworks, including the Trusted Information Security Assessment Exchange and UK Cyber Essentials. Following an independent third party audit of the ISG GovernX and Executive Insights Systems against the Description of a service organization system in a SOC2 Type 2 Report (AICPA, Description Criteria), ISG was able to provide reasonable assurance that our service commitments and system requirements were achieved based on the trust services criteria relevant to security, confidentiality and availability.

The Company’s cybersecurity efforts are led by the Chief Information Security Officer (“CISO”), who reports to the Chief Information Officer (“CIO”) and has responsibilities that cover the management of cybersecurity risk and the protection and defense of our networks and systems. Our CISO has proven cyber operations and cyber risk management experience, having previously worked for UK law enforcement and leading organizations in the financial services, health and advertising sectors. Our CISO also holds relevant cyber management qualifications, such as being a Certified Information Systems Security Professional. The CISO manages a team of qualified cybersecurity professionals with broad experience and expertise across cybersecurity disciplines that provide ad-hoc reports to the CISO regarding cybersecurity threats and incidents. Cybersecurity risk is maintained and managed under our Information Security Management System framework with oversight through our internal Executive Board (“IEB”) and our Board of Directors, which has delegated responsibility for cybersecurity risk to our Information Security Committee (“ISC”).

Cybersecurity is an important area of focus for our Board of Directors. The Board of Directors reviews and discusses with our CIO the Company’s cybersecurity, privacy and data security programs, the status of projects to strengthen internal cybersecurity, results from third-party assessments, any significant cybersecurity incidents, and the emerging threat landscape. Our CIO discusses the same cybersecurity topics covered with the Board of Directors with the IEB. In addition, the IEB makes decisions on resourcing and project prioritization in support of our cybersecurity and compliance initiatives.

Responsibility for cybersecurity risk has been delegated to the ISC, which consists of senior executives (including three IEB members), namely our Chief Financial Officer (IEB member), Chief Human Resources Officer (IEB member), Chief Information Officer, Partner, Data Analytics & Technology Office (IEB member), Chief Information Security Officer, Legal Counsel, Director – Workplace Services and Senior Manager, Compliance & Data Privacy. The ISC oversees the management of processes for identifying and mitigating cybersecurity risks, material vulnerabilities and high-rated incidents to help align our risk exposure with our strategic objectives. The ISC meets quarterly and receives additional ad-hoc briefings from the CISO as and when required.

In the event of a major security incident, certain members of the ISC form part of our Incident Management Team (“IMT”). The IMT follows our detailed incident response playbook, which outlines the steps to be followed from incident detection to mitigation, recovery and notification, including notifying functional areas (e.g., legal), as well as senior leadership, the IEB and the Board of Directors, as appropriate.

For the evaluation of our security controls, ISG engages third-parties services to conduct penetration testing, independent audits or provide consulting on best practices to address new challenges. These evaluations include testing both the design and operational effectiveness of our security controls. We also share and receive threat intelligence which we utilize to bolster defenses against active threats. These tests and assessments are useful tools for maintaining a robust cybersecurity program to protect our investors, clients, employees, vendors, intellectual property and drive continuous improvement across our security domain.

ISG recognizes that if our third-party suppliers are affected by cyber security incidents, we could be indirectly impacted, including, through the potential loss of service (which could be a significant component of our services to clients), exposure of ISG or client data or a potential backdoor into ISG systems or network. We maintain processes and procedures to continuously assess third-party cybersecurity risk and include security and privacy addendums to our contracts where applicable. We seek to work directly with any suppliers to address potential deficiencies when identified.

To mitigate the risk and negative exposure of personal data being breached or inadvertently shared outside of ISG, we maintain a data protection framework that includes policies, procedures, guidance and records. This includes policies and procedures regarding the rights and usage of personal and client data. ISG employs a Data Privacy Manager who briefs the ISC on privacy matters as part of the quarterly ISC meetings. The Data Privacy Manager completes an internal audit annually and works with a specialist third party to complete an external Data Protection Compliance review.

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We continue to invest in the cybersecurity and resiliency of our networks and to enhance our internal controls and processes, which are designed to help protect our systems and infrastructure, and the information they contain.

As of the date of this Annual Report on Form 10-K, we are not aware of any cybersecurity threats, including as a result of any previous cybersecurity incidents, that have materially affected, or are reasonably likely to materially affect, the Company, including our business strategy, results of operations or financial condition. Notwithstanding the extensive approach we take to cybersecurity, we may not be successful in preventing or mitigating cybersecurity threats or incidents, and such threats or incidents may have a material adverse effect on us. While ISG maintains cybersecurity insurance, the costs related to cybersecurity threats or service disruptions to both ISG and our clients may not be fully insured.

For more information regarding the risks we face from cybersecurity threats, see the risks identified under “Risks Related to Data, Cybersecurity and Confidential Information” found in “Part 1A, Risk Factors” of this Annual Report on Form 10-K.

Item 2. Properties

We maintain our executive offices in Stamford, Connecticut. The lease for our executive offices covers approximately seventeen thousand five hundred square feet and expires in November 2036. The majority of our business activities are performed on client sites or remotely. We do not own offices or properties. We have leased offices in the United States, Canada, Denmark, Switzerland, the Netherlands, Finland, France, Germany, India, Italy and the United Kingdom.

Item 3. Legal Proceedings

We and our consolidated subsidiaries are not currently subject to any material legal proceedings, nor, to our knowledge, are any material legal proceedings threatened against us or our consolidated subsidiaries that, in each case, are required to be disclosed under Item 103 of Regulation S-K. From time to time, we and our consolidated subsidiaries may be a party to certain legal proceedings in the ordinary course of business, including as described in the notes to the financial statements. Refer to Note 14 under the heading “Legal Reserve.”

Item 4. Mine Safety Disclosures

Not applicable.

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PART II

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

The following table sets forth the high and low closing sales price of our common stock, as reported on The Nasdaq Stock Market LLC under the symbol “III” for the periods shown:


	Common Stock
Quarter Ended	High		Low
March 31, 2025	$	4.00	$	2.98
June 30, 2025		4.95		3.45
September 30, 2025		5.97		4.20
December 31, 2025		6.10		5.01


	Common Stock
Quarter Ended	High		Low
March 31, 2024	$	4.78	$	3.91
June 30, 2024		4.08		2.94
September 30, 2024		3.56		2.99
December 31, 2024		3.80		3.07

On February 25, 2026, the last reported sale price for our common stock on The Nasdaq Stock Market was $4.69 per share.

As of February 18, 2026, there were 471 holders of record of ISG common stock. The actual number of stockholders is significantly greater than this number of record holders and includes stockholders who are beneficial owners, but whose shares are held in street name by brokers and other nominees. This number of holders of record also does not include stockholders whose shares may be held in trust by other entities.

Dividends to Shareholders

On March 3, 2026, the Board of Directors approved a fourth quarter dividend of $0.045 per share, payable on March 26, 2026, to shareholders of record as of March 20, 2026. These dividends are funded through cash flow from operations, available cash on hand and/or borrowings under our revolving credit facility. We anticipate we will continue to pay regular quarterly dividends on our common stock for the foreseeable future, and the declaration, timing and amounts of any such dividends remain subject to the discretion of our Board of Directors. During the fiscal quarter and fiscal year ended December 31, 2025, we paid dividends and dividend equivalents of $2.2 million and $9.2 million, respectively.

Issuer Purchases of Equity Securities

On August 1, 2023, the Board of Directors approved a stock repurchase plan authorizing the Company to repurchase an aggregate of $25 million in shares of the Company’s common stock, which took effect upon the completion of the Company’s previous repurchase program that was exhausted in the quarter ended March 31, 2024. The Company had approximately $5.9 million in aggregate available under its current share repurchase program as of December 31, 2025. The shares may be repurchased from time to time in open market transactions at prevailing market prices, in privately negotiated transactions, pursuant to a Rule 10b5-1 repurchase plan or by other means in accordance with federal securities laws. The timing, the amount and the method of any repurchases will be determined by the Company’s management based on its evaluation of market conditions, capital allocation alternatives and other factors. There is no guarantee as to the number of shares that will be repurchased, and the repurchase program may be extended, suspended or discontinued at any time without notice at the Company’s discretion.

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The following table details the repurchases that were made during the three months ended December 31, 2025.


				Total Number of	Approximate Dollar
				Shares	Value of Shares
	Total Number of			Purchased	That May Yet Be
	Shares	Average		as Part of Publicly	Purchased Under
	Purchased	Price Paid per		Announced Plans or Programs	the Plans or Programs
Period	(In thousands)	Share		(In thousands)	(In thousands)

October 1 - October 31	161	$	5.61	161	$	7,324
November 1 - November 30	96	$	5.27	96	$	6,818
December 1 - December 31	150	$	5.90	150	$	5,933

Recent Sales of Unregistered Securities

As previously reported, on September 1, 2025, the Company completed the acquisition of Martino & Partners. In September 2025, in connection with the acquisition, the Company issued 48,356 shares of ISG common stock valued at approximately $0.3 million to the Sellers of Martino & Partners. The issuance of these shares of ISG common stock was exempt from registration under Rule 4(a)(2) promulgated under the Securities Act of 1933, as amended.

Item 6. [Reserved]

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The purpose of this Management’s Discussion and Analysis (“MD&A”) is to facilitate an understanding of significant factors influencing the operating results, financial condition and cash flows of the Company. Additionally, the MD&A conveys our expectations of the potential impact of known trends, events or uncertainties that may impact future results. You should read this discussion in conjunction with our consolidated financial statements and related notes included in this Annual Report on Form 10-K. Historical results and percentage relationships are not necessarily indicative of operating results for future periods. References to “ISG”, “we,” “our” and “us” in this MD&A are to the Company and its consolidated subsidiaries.

This MD&A provides an analysis of our consolidated financial results and cash flows for 2025 and 2024 under the headings “Results of Operations,” “Non-GAAP Financial Presentation,” “Non-GAAP Financial Measures,” and “Liquidity and Capital Resources.” “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” in our Annual Report on Form 10-K for the year ended December 31, 2024.

BUSINESS OVERVIEW

Information Services Group, Inc. (Nasdaq: III) is a global AI-centered technology research and advisory firm. A trusted partner to more than 900 clients, including 75 of the world’s top 100 enterprises, ISG is a long-time leader in technology and business services sourcing that is now at the forefront of leveraging AI to help organizations achieve operational excellence and faster growth. The firm, founded in 2006, is known for its proprietary market data and research, in-depth knowledge and governance of provider ecosystems, and the expertise of its 1,500 professionals worldwide working together to help clients maximize the value of their technology investments. For more information, visit www.isg-one.com. The content on our website is available for informational purposes only. It should not be relied upon for investment purposes, nor is it incorporated by reference into this Annual Report on Form 10 K or any other filings.

Our strategy is to strengthen our existing market position and develop new services and products to support future growth plans. As a result, we are focused on growing our existing service model, expanding geographically, developing new industry sectors, productizing market data assets, expanding our managed services offerings and growing via acquisitions. Although we do not expect any adverse conditions that will impact our ability to execute against our strategy over the next twelve months, the more significant factors that could limit our ability to grow in these areas include global macro-economic conditions and the impact on the overall sourcing market, competition, our ability to retain advisors and reductions in discretionary spending with our top client accounts or other significant client events. Other areas that could impact the business would also include natural disasters, pandemics, wars, legislative and regulatory changes and capital market disruptions.

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client involvement. Revenues for services rendered are recognized on a time and materials basis or on a fixed-fee or capped-fee basis in accordance with accounting and disclosure requirements for revenue recognition.

Revenues for time and materials contracts are recognized based on the number of hours worked by our advisors at an agreed upon rate per hour and are recognized in the period in which services are performed. Revenues for time and materials contracts are billed monthly, semimonthly or in accordance with the specific contractual terms of each project.

We also derive our revenues from certain recurring revenue streams. These include such annuity-based ISG offerings as ISG GovernX, ISG Research Lens. ISG Inform and the multi-year Public Sector contracts. These offerings are characterized by subscriptions (i.e., renewal-centric as opposed to project-centric revenue streams) or, in some instances, multi-year contracts. Our digital services now span a volume of offerings and have become embedded as part of our traditional transaction services. Digital enablement provides capabilities, digital insights and better engagement with clients and partners.

Our results are impacted principally by our full-time consultants’ utilization rate, the number of business days in each quarter and the number of our revenue-generating professionals who are available to work. Our utilization rate can be negatively affected by increased hiring because there is generally a transition period for new professionals that result in a temporary drop in our utilization rate. Our utilization rate can also be affected by seasonal variations in the demand for our services from our clients. The number of business workdays is also affected by the number of vacation days taken by our consultants and holidays in each quarter. We typically have fewer business workdays available in the fourth quarter of the year, which can impact revenues during that period. Time-and-expense engagements do not provide us with a high degree of predictability as to performance in future periods. Unexpected changes in the demand for our services can result in significant variations in utilization and revenues and present a challenge to optimal hiring and staffing. The volume of work performed for any particular client can vary widely from period to period.

CURRENT ENVIRONMENT

Inflation rates and the adverse effect of interest rates continued to be volatile in the past year. Inflation has not had a material effect on our business operations, financial performance and results of operations, other than its impact on the general economy. Changes to interest rates has impacted our business operations, financial performance and results of operations, as our interest expense has decreased from $5.8 million in 2024 to $4.1 million in 2025. The Company continuously monitors these changes and evaluates any effect. If our costs, in particular personnel-related costs, were to become subject to significant inflationary pressures, we may not be able to fully offset such higher costs through price increases in future periods. Our inability or failure to realize these offsets could adversely affect our business operations, financial performance and results of operations.

EXECUTIVE SUMMARY

2025 was a year of accelerating growth for ISG. Fueled by continuing client interest in our AI-powered transformation services, an improved business mix and our disciplined operating approach.

Our 2025 results were achieved in the face of macroeconomic headwinds that resulted in longer decision cycles and cautious spending. Leading the way was our Americas business, which had its strongest revenue growth since 2021, up 11 percent, excluding 2024 results from our divested automation unit. We also saw solid improvement in our EMEA region in the second half, capped by 28 percent growth in the fourth quarter as the region began to recover from earlier macro challenges.

Enterprise AI consulting and research, not surprisingly, played a significant part in our growth, and now represents about 30 percent of our firmwide revenue, up from 10 percent last year. We have served more than 350 clients with AI advisory and research services this year, focusing on strategy, sourcing, data transformation and agentic AI. That’s up more than 200 percent from the prior year.

Our recurring revenue, meanwhile, continues to be a strength, with growth driven by our Research and Governance units. Recurring revenues, highly valued for their predictability, represented 46 percent of our firmwide total in 2025.

Our ISG Research business delivered double-digit growth, led by our ISG Provider Lens® provider evaluation research and ISG Events. Client interest in AI-related content continues to rise, evidenced by our five sold-out AI Impact Summit events held across the globe in 2025. In addition, our third annual State of Enterprise AI Adoption study quickly became our most downloaded report ever.

Software continues to be a significant spend category for enterprises, with global spending expected to double to more than $1.4 trillion by end of 2030, with AI as a catalyst. In 2025, our Software unit achieved double-digit growth, reflecting strong enterprise demand for insights and support in this area.

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Our ISG Platforms, infused with the power of AI, also performed well, especially our ISG GovernX® supplier governance and risk management platform. Leveraging GovernX, our Governance unit served more than 80 clients in 2025, growing both revenue and capabilities. Soon to be launched is a new AI governance solution that will help clients manage AI risk.

ISG Tango™, our AI-powered, future-proof sourcing solution, has quickly become our most successful platform product to date. We are now managing more than $25 billion of total contract value through the platform, as we continue to transition our sourcing work to Tango. In addition to modernizing and ensuring our entire sourcing process is more efficient, ISG Tango also gives us the platform capabilities we need to expand into the underserved mid-market (enterprises with $10 billion of revenue or less). With the power of Tango and our dedicated approach, we have been very successful in penetrating this market, adding more than 50 new clients in 2025.

Our Enterprise Change and Training as a Service (TaaS) business had a strong year, landing some of our largest multi-year accounts in 2025. Importantly, the number of our broader advisory engagements that included OCM increased by 20 percent this year, as change management becomes more integral to our solutioning.

In addition to our organic growth initiatives, we expanded our business in Europe this year by acquiring Martino & Partners, a highly regarded strategic advisory firm that serves primarily public sector clients in Italy. This acquisition expands our addressable market in Italy, where we see an emerging growth opportunity.

In another move to expand our capabilities, we acquired the AI Maturity Index in January this year. This AI readiness benchmarking and intelligence platform allows organizations to identify gaps in their workforce readiness and use a data-driven approach to achieve rapid improvement. This offering is already generating strong interest and opening up new client discussions about our broad range of AI-related capabilities.

RESULTS OF OPERATIONS

YEAR ENDED DECEMBER 31, 2025 COMPARED TO YEAR ENDED DECEMBER 31, 2024

Revenues

Revenues are generally derived from fixed-fee contracts as well as engagements priced on a time and materials basis, which are recorded based on actual time worked as the services are performed. In addition, we also earn revenues which are contingent on the attainment of certain contractual milestones. Revenues related to materials required during an engagement (mainly out-of-pocket expenses such as airfare, lodging and meals) generally do not include a profit mark up and can be charged and reimbursed separately or as part of the overall fee arrangement. Invoices are issued to clients monthly, semimonthly or in accordance with the specific contractual terms of each project.

We operate in one segment, fact-based sourcing advisory services. We operate principally in the Americas, Europe and Asia Pacific. Our foreign operations are subject to local government regulations and to the uncertainties of the economic and political conditions of those areas, and the revenue for our foreign operations is predominantly invoiced and collected in local currency.

Geographical revenue information for the segment is as follows:


	Years Ended December 31,
							Percent
Geographic Area	2025		2024		Change		Change

	(in thousands)
Americas	$	160,898	$	158,853	$	2,045	1	%
Europe		65,507		67,730		(2,223)	(3)	%
Asia Pacific		18,320		21,002		(2,682)	(13)	%
Total revenues	$	244,725	$	247,585	$	(2,860)	(1)	%

Total revenues for the year ended December 31, 2025 decreased by $2.9 million or approximately 1% in 2025, with revenues decreasing in Europe and Asia Pacific but increasing in the Americas. The increase revenue in the Americas was primarily due to an increase in the Consulting, Research, and GovernX service lines, partially offset by a decrease due to the prior year’s sale of the Automation service line and lower revenue in the Network & Software (“NaSa”) service line. The decrease in revenue in Europe was primarily attributable to the prior year’s sale of the Automation service line and lower revenues in the NaSa and GovernX service lines, partially offset by an increase

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in the Consulting service line. The revenue decrease in Asia Pacific was primarily attributable to a decrease in the Consulting, NaSa and GovernX service lines. The translation of foreign currency revenues into U.S. dollars positively impacted performance in Europe and Asia Pacific compared to the prior year by $2.3 million.

Operating Expenses

The following table presents a breakdown of our operating expenses by functional category:


	Years Ended December 31,
							Percent
Operating Expenses	2025		2024		Change		Change

	(in thousands)
Direct costs and expenses for advisors	$	139,321	$	150,306	$	(10,985)	(7)	%
Selling, general and administrative		83,070		85,634		(2,564)	(3)	%
Depreciation and amortization		4,538		5,888		(1,350)	(23)	%
Total operating expenses	$	226,929	$	241,828	$	(14,899)	(6)	%

Total operating expenses decreased by $14.9 million, or approximately 6%, in 2025. The decrease in operating expenses was primarily due to lower automation license fees expense of $8.0 million, restructuring costs of $2.6 million, acquisition and disposition-related costs of $2.4 million, compensation expense of $2.7 million, expense reversal associated with an amount that was no longer due to a sub-contractor of $1.9 million, computer expense of $0.3 million, bad debt expense of $0.2 million, and stock-based compensation of $0.2 million. These costs were partially offset by the prior year’s contingent consideration adjustment of $1.5 million, higher legal reserves of $1.9 million, travel and entertainment expense of $1.2 million, and professional fees of $0.6 million.

Compensation costs consist of a mix of fixed and variable salaries, annual bonuses, benefits and retirement plan contributions. Statutory and 401(k) plans are offered to employees as appropriate. Direct costs also include employee taxes, health insurance, workers compensation and disability insurance.

A portion of compensation expenses for certain billable employees are allocated between direct costs and selling, general and administrative costs based on relative time spent between billable and non-billable activities.

Selling costs consist principally of compensation expense related to business development, proposal preparation, acquisition and disposition-related cost and delivery and negotiation of new client contracts. Selling costs also include travel expenses relating to the pursuit of sales opportunities, expenses for hosting periodic client conferences, public relations activities, participation in industry conferences, industry relations, website maintenance and business intelligence activities. Additionally, we maintain a dedicated global marketing function responsible for developing and managing sales campaigns, brand promotion, the ISG Index and assembling client proposals.

We maintain a comprehensive program for training and professional development with the related costs included in SG&A. Related expenses include product training, updates on new service offerings or methodologies and development of client project management skills. Also included in training and professional development are expenses associated with the development, enhancement and maintenance of our proprietary methodologies and tools and the systems that support them.

Selling, general and administrative expenses consist principally of executive management compensation, allocations of billable employee compensation related to general management activities, IT infrastructure and costs for finance, accounting, information technology and human resource functions. General and administrative costs also reflect continued investment associated with implementing and operating client and employee management systems. Because our billable personnel operate remotely or on client premises, all occupancy expenses are recorded as general and administrative.

Depreciation and amortization expenses amounted to $4.5 million in 2025 and $5.9 million in 2024, respectively. The decrease of $1.4 million was primarily due to the sale of the automation business on October 1, 2024. Our fixed assets consist of furniture, fixtures, equipment (mainly personal computers) and leasehold improvements. Depreciation expenses are generally computed by applying the straight-line method over the estimated useful lives of assets. We also capitalize some costs associated with the purchase and development of internal-use software, system conversions and website development costs. These costs are amortized over the estimated useful life of the software or system.

We amortize our intangible assets (e.g., client relationships and databases) over their estimated useful lives. Goodwill related to acquisitions is not amortized but is subject to annual impairment testing.

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Other Income (Expense), Net

The following table presents a breakdown of other expense, net:


	Years Ended December 31,
							Percent
Other income (expense), net	2025		2024		Change		Change

	($ in thousands)
Interest income	$	151	$	782	$	(631)	(81)	%
Interest expense		(4,067)		(5,837)		1,770	30	%
Gain on the sale of business		720		4,532		(3,812)	(84)	%
Foreign currency transaction (loss) gain		(64)		(7)		(57)	(814)	%
Total other expense, net	$	(3,260)	$	(530)	$	(2,730)	(515)	%

The total increase of $2.7 million was primarily attributable to the reduction of gain on the sale of business of $3.8 million that is related to the prior year sale of the Automation business, and lower interest income and partially offset by lower interest expense attributable to a lower debt balance and lower interest rates.

Income Tax Expense

Our effective tax rate varies from period to period based on the mix of earnings among the various state and foreign tax jurisdictions in which our business is conducted and the level of non‑deductible expenses incurred in any given period. Our effective tax rate for the year ended December 31, 2025 was 35.7% compared to 45.7% for the year ended December 31, 2024. The variance from the U.S. statutory rate of 21.0% for the year ended December 31, 2025, was primarily caused by state taxes, the impact of higher tax rates applicable on company earnings in foreign jurisdictions, non-deductible expenses for tax purposes in the United States, and a benefit from the sale of the automation business.

NON-GAAP FINANCIAL PRESENTATION

This MD&A presents supplemental measures of our performance that are derived from our consolidated financial information but are not presented in accordance with accounting principles generally accepted in the United States of America (“GAAP”). We refer to these financial measures, which are considered “non-GAAP financial measures” under SEC rules, as adjusted EBITDA, adjusted net income and adjusted earnings per diluted share, each as defined below. See “Non-GAAP Financial Measures” below for information about our use of these non-GAAP financial measures, including our reasons for including these measures and reconciliations of each non-GAAP financial measure to the most directly comparable GAAP financial measure.

NON-GAAP FINANCIAL MEASURES

We use non-GAAP financial measures to supplement the financial information presented on a GAAP basis. We provide adjusted EBITDA (defined as net income, plus interest, taxes, depreciation and amortization, foreign currency transaction gains/losses, non-cash stock compensation, interest accretion associated with contingent consideration, loss on assets disposal, change in contingent consideration, acquisition and disposition-related costs, gain on sale of business and severance, integration and other expense), adjusted net income (defined as net income, plus amortization of intangible assets, non-cash stock compensation, foreign currency transaction gains/losses, interest accretion associated with contingent consideration, acquisition and disposition-related costs, loss on assets disposal, change in contingent consideration, and severance, integration and other expense, gain sales of business on a tax-adjusted basis) and adjusted net income per diluted share, excluding the net of tax effect of the items set forth in the table below. These are non-GAAP measures that the Company believes provide useful information to both management and investors by excluding certain expenses and financial implications of foreign currency translations that management believes are not indicative of ISG’s core operations. These non-GAAP measures are used by the Company to evaluate the Company’s business strategies and management’s performance and exclude non-cash and certain other special charges that some investors may believe obscure the user’s overall understanding of the Company’s current financial performance and the Company’s prospects for the future. We believe that these non-GAAP financial measures provide useful information to investors because

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they improve the comparability of the financial results between periods and provide for greater transparency of key measures used to evaluate the Company’s performance.


	Years Ended December 31,
	2025		2024

	(in thousands)
Net income	$	9,341	$	2,839
Plus:
Interest expense (net of interest income)		3,916		5,055
Income taxes provision		5,195		2,388
Depreciation and amortization		4,538		5,888
Interest accretion associated with contingent consideration		35		77
Loss on assets disposal		93		—
Gain on the sale of business		(720)		(4,532)
Change in contingent consideration (Note 2)		(846)		(2,390)
Acquisition and disposition-related costs ⁽¹⁾		437		2,880
Severance, integration and other expense		2,310		4,887
Foreign currency transaction loss		64		7
Non-cash stock compensation		7,835		8,046
Adjusted EBITDA	$	32,198	$	25,145


	Years Ended December 31,
	2025		2024

	(in thousands)
Net income	$	9,341	$	2,839
Plus:
Non-cash stock compensation		7,835		8,046
Intangible amortization		1,275		2,606
Interest accretion associated with contingent consideration		35		77
Change in contingent consideration (Note 2)		(846)		(2,390)
Loss on assets disposal		93		—
Gain on the sale of business		(720)		(4,532)
Acquisition and disposition-related costs ⁽¹⁾		437		2,880
Severance, integration and other expense		2,310		4,887
Foreign currency transaction loss		64		7
Tax effect ⁽²⁾		(3,355)		(4,452)
Adjusted net income	$	16,469	$	9,968


	Years Ended December 31,
	2025		2024
Net income per diluted share	$	0.19	$	0.06
Non-cash stock compensation		0.16		0.16
Intangible amortization		0.03		0.05
Interest accretion associated with contingent consideration		0.00		0.00
Loss on assets disposal		0.00		—
Gain on the sale of assets		(0.01)		(0.09)
Change in contingent consideration (Note 2)		(0.02)		(0.05)
Acquisition and disposition-related costs ⁽¹⁾		0.01		0.06
Severance, integration and other expense		0.05		0.10
Foreign currency transaction loss		0.00		0.00
Tax effect ⁽²⁾		(0.08)		(0.09)
Adjusted net income per diluted share	$	0.33	$	0.20

________________________________________

⁽¹⁾	Consists of expenses from acquisition and disposition-related costs and non-cash fair value adjustments on pre-acquisition contract liabilities.

⁽²⁾	Marginal tax rate of 32%, reflecting U.S. federal income tax rate of 21% plus 11% attributable to U.S. states and foreign jurisdictions.

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LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Our primary sources of liquidity are cash flows from operations, existing cash and cash equivalents and borrowings under our revolving line of credit. Operating assets and liabilities consist primarily of accounts receivable and contract assets, prepaid expense and other assets, accounts payable, contract liabilities, accrued expenses and other liabilities. The volume of billings and timing of collections and payments affect these account balances.

The following table summarizes our cash flows for the years ended December 31, 2025 and 2024:


	Years Ended December 31,
	2025		2024

	(in thousands)
Net cash provided by (used in):
Operating activities	$	29,011	$	19,865
Investing activities		(4,938)		18,992
Financing activities		(19,547)		(37,906)
Effect of exchange rate changes on cash		1,070		(602)
Net increase in cash, cash equivalents, and restricted cash	$	5,596	$	349

As of December 31, 2025, our liquidity and capital resources included cash, cash equivalents and restricted cash of $28.8 million compared to $23.2 million as of December 31, 2024, a net increase of $5.6 million, which was primarily attributable to the following:

●

our operating activities provided net cash of $29.0 million for the year ended December 31, 2025. Net cash provided from operations was primarily attributable to our net income after adjustments for non-cash charges of approximately $22.5 million and $6.5 million provided from working capital primarily attributable to $7.8 million change in accrued expenses and other liabilities, a change in accounts payable of $0.6 million, and $0.2 million change in prepaid expenses and other assets, partially offset by a change in account receivables of $1.8 million, and a $0.3 million change in contract liabilities ;

●

treasury share repurchases of $9.3 million;

●

repayment of outstanding debt of $15.0 million;

●

payments related to tax withholding for stock-based compensation of $3.1 million;

●

cash dividends paid to shareholders of $9.2 million;

●

proceeds from revolving facility of $15.0 million;

●

payment of contingent consideration of $0.6 million;

●

proceeds from UST Global Inc. for final working capital settlement of $0.7 million, in connection with sale of the Automation business;

●

payment for the acquisition of Martino & Partners of $1.6 million;

●

proceeds from the sale of the Automation business of $2.0 million;

●

capital expenditures for property, plant and equipment of $4.0 million; and

●

proceeds from issuance of employee stock purchase plan shares of $0.6 million.

Capital Resources

The Company’s current outstanding debt may limit our ability to fund general corporate requirements and obtain additional financing, impact our flexibility in responding to business opportunities and competitive developments and increase our vulnerability to adverse economic and industry conditions.

On February 22, 2023, the Company amended and restated its senior secured credit facility to increase the revolving commitments per the revolving facility from $54.0 million to $140.0 million and eliminate its term loan (as further amended on June 27, 2024, the “2023 Credit Agreement”). The material terms under the 2023 Credit Agreement are as follows. Capitalized terms used but not defined herein have the meanings ascribed to them in the 2023 Credit Agreement:

●

The revolving credit facility has a maturity date of February 22, 2028.

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●

The credit facility is secured by all of the equity interests owned by the Company, and its direct and indirect domestic subsidiaries and, subject to agreed exceptions, the Company’s direct and indirect “first-tier” foreign subsidiaries, and a perfected first priority security interest in all of the Company’s and its direct and indirect domestic subsidiaries’ tangible and intangible assets.

●

The Company’s direct and indirect existing and future wholly owned domestic subsidiaries serve as guarantors to the Company’s obligations under the senior secured facility.

●

At the Company’s option, the credit facility bears interest at a rate per annum equal to either (i) the “Base Rate” (which is the highest of (a) the rate publicly announced from time to time by the administrative agent as its “prime rate,” (b) the Federal Funds Rate plus 0.5% per annum and (c) Term SOFR, plus 1.0%), plus the applicable margin or (ii) Term SOFR (which is the Term SOFR screen rate for the relevant interest period plus a credit spread adjustment of 0.10%) as determined by the administrative agent, plus the applicable margin. The applicable margin is adjusted quarterly based upon the Company’s consolidated leverage ratio. Prior to the end of the first quarter-end following the closing of the credit facility, the applicable margin shall be a percentage per annum equal to 0.50% for the revolving loans maintained as Base Rate loans or 1.50% for the revolving loans maintained as Term SOFR loans.

●

The senior secured credit facility contains a number of covenants that, among other things, place restrictions on matters customarily restricted in senior secured credit facilities, including restrictions on indebtedness (including guarantee obligations), liens, fundamental changes, sales or dispositions of property or assets, investments (including loans, advances, guarantees and acquisitions), transactions with affiliates, dividends and other payments in respect of capital stock, optional payments and modifications of other material debt instruments, negative pledges and agreements restricting subsidiary distributions and changes in line of business. In addition, the Company is required to comply with a consolidated leverage ratio and consolidated interest coverage ratio.

●

The senior secured credit facility contains customary events of default, including cross-default to other material agreements, judgment default and change of control provisions.

The Company’s financial statements include outstanding borrowings of $59.2 million at both of December 31, 2025 and December 31, 2024, which are carried at amortized cost. The fair value of debt is classified within Level 3 of the fair value hierarchy. The fair value of the Company’s outstanding borrowings was approximately $59.5 million and $59.6 million as of December 31, 2025 and December 31, 2024, respectively. The fair values of debt have been estimated using a discounted cash flow analysis based on the Company’s incremental borrowing rate for similar borrowing arrangements. The incremental borrowing rate used to discount future cash flows was 5.3% and 6.4% for December 31, 2025 and December 31, 2024, respectively. The Company also considered recent transactions of peer group companies for similar instruments with comparable terms and maturities as well as an analysis of current market conditions and interest rates. In 2025, the Company borrowed $15.0 million and subsequently repaid $15.0 million of its revolving credit facility. The Company is currently in compliance with its financial covenants.

We anticipate that our current cash and the ongoing cash flows from our operations will be adequate to meet our working capital, capital expenditure and debt financing needs for at least the next twelve months. The anticipated cash needs of our business could change significantly if we pursue and complete additional business acquisitions, if our business plans change, if economic conditions change from those currently prevailing or from those now anticipated, or if other unexpected circumstances arise that may have a material effect on the cash flow or profitability of our business. If we require additional capital resources to grow our business, either internally or through acquisition, or maintain liquidity, we may seek to sell additional equity securities or to secure additional debt financing. The sale of additional equity securities or certain forms of debt financing could result in additional dilution to our stockholders. We may not be able to obtain financing arrangements in amounts or on terms acceptable to us in the future.

The Company has financial covenants underlying its debt which require a debt to adjusted EBITDA ratio of 1.85. The Company was in compliance with its financial covenants under the 2023 Credit Agreement as of December 31, 2025.

Employee Retirement Plans

For the fiscal years ended December 31, 2025 and 2024, we contributed $1.8 million and $0.7 million, respectively, to our 401(k) plan (the “Savings Plan”) on a fully discretionary basis. These amounts were invested by the participants in a variety of investment options under an arrangement with a third-party asset manager. All current and future financial risks associated with the gains and losses on investments are borne by Savings Plan participants.

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Critical Accounting Policies and Estimates

The preparation of consolidated financial statements in conformity with generally accepted accounting principles requires the appropriate application of certain accounting policies, many of which require management to make estimates and assumptions about future events and their impact on amounts reported in our consolidated financial statements and related notes. Since future events and their impact cannot be determined with certainty, the actual results may differ from estimates. Such differences may be material to out consolidated financial statements.

We believe the application of our accounting policies, and the estimates inherently required therein, are reasonable. These accounting policies and estimates are periodically reevaluated, and adjustments are made when facts and circumstances dictate a change. Historically, we have found the application of accounting policies to be appropriate, and actual results have not differed materially from those determined using necessary estimates.

Our accounting policies are more fully described in Note 2—Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements. We have identified revenue recognition as a critical accounting estimate:

Revenue Recognition

We recognize our revenues by applying the following five steps: (1) identifying the contract with the customer; (2) identifying the performance obligation(s) in the contract; (3) determining the transaction price; (4) allocating the transaction price to the performance obligation(s); and (5) recognizing revenue when (or as) the Company satisfies the performance obligation(s).

We principally derive revenues from fees for services generated on a project-by-project basis. Prior to the commencement of a project, we reach agreement with the client on rates for services based upon the scope of the project, staffing requirements and the level of client involvement. It is our policy to obtain written agreements from clients prior to performing services or when evidence of enforceable rights and obligations is obtained. In these agreements, the clients acknowledge that they will pay based upon the amount of time spent on the project or an agreed upon fee structure.

Revenues for time and materials contracts, which may include capped-fees or “not-to-exceed” clauses, are recognized based on the number of hours worked by our advisors at an agreed-upon rate per hour and are recognized in the period in which services are performed. Revenues for time and materials contracts are billed monthly, semimonthly or in accordance with the specific contractual terms of each project. For contracts with capped fees or not-to-exceed clauses, we monitor our performance and fees billed to ensure that revenue is not recognized in excess of the contractually capped fee.

Revenues related to fixed-fee contracts are recognized as value is delivered to the customer, consistent with the transfer of control to the customer over time. Revenue for these contracts is recognized proportionally over the term of the contract using an input method based on the proportion of labor hours incurred as compared to the total estimated labor hours for the fixed-fee contract performance obligations, which we consider the best available indicator of the pattern and timing in which contract performance obligations are fulfilled and control transfers to the customer. This percentage is multiplied by the contracted dollar amount of the project to determine the amount of revenue to recognize in an accounting period. The contracted amount used in this calculation typically excludes the amount the client pays for reimbursable expenses. There are situations where the number of hours to complete projects may exceed our original estimate as a result of an increase in project scope or unforeseen events. The results of any revisions in these estimates are reflected in the period in which they become known.

For managed service implementation contracts, revenue is recognized over time as a percentage of hours incurred to date as compared to the total expected hours of the implementation, consistent with the transfer of control to the customer. For ongoing managed services contract, revenue is recognized over time, consistent with the weekly or monthly fee specified within such arrangements.

We also derive revenues based on negotiating reductions in network and software costs of companies with the entities’ related service providers and providing other services such as audits of network and communication expenses and consultation for network architecture. These contracts can be fixed in fees or can be based on the level of savings achieved related to its communications costs. Additionally, these contracts can also have a fixed component and a contingent component based on the savings generated by the Company. For network and software contingency contracts with termination for convenience clauses, revenue is recognized over time due to the existence of provisions for payment for progress incurred to date plus a reasonable profit margin. The contract periods range from a few months to in excess of a year.

We also previously entered into arrangements for the sale of automation software licenses and related delivery of consulting or implementation services at the same time or within close proximity to one another. Such software-related performance obligations included the sale of on-premises software, hybrid and software-as-a-service licenses, as well as other software-related services. Revenue associated with the software performance obligation is primarily recognized at the point at which the software is installed, or access is granted. We sold our automation business line in Q4 2024.

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Revenue associated with events is recognized at the point of time at which the event occurs and is primarily comprised of sponsorships. Conversely, revenue associated with research subscriptions is recognized over time, as the customer accesses our data or related platforms. In addition, we sell research products for which the revenue is recognized at a point in time upon delivery to the client.

The agreements entered into in connection with a project typically allow our clients to terminate early due to breach or for convenience with 30 days’ notice. In the event of termination, the client is contractually required to pay for all time, materials and expenses incurred by us through the effective date of the termination. In addition, from time to time, we enter into agreements with clients that limit our right to enter into business relationships with specific competitors of that client for a specific time period. These provisions typically prohibit us from performing a defined range of services that we might otherwise be willing to perform for potential clients. These provisions are generally limited to six to twelve months and usually apply only to specific employees or the specific project team.

When we recognize revenues in advance of billing, those revenues are recorded as contract assets. When we invoice in advance of earning revenues, those amounts are recorded as contract liabilities.

Recent Accounting Pronouncements

See Note 2 to our Consolidated Financial Statements included elsewhere in this Annual Report on Form 10-K.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk

We are exposed to financial market risks primarily related to changes in interest rates. A 100 basis point change in interest rates would result in an annual change in our results of operations of $0.6 million pre‑tax. We do not enter into investments for trading or speculative purposes.

Interest Rate Risk

As of December 31, 2025, the Company had $59.2 million in total debt principal outstanding. Note 13 — Financing Arrangements and Long-Term Debt in the Notes to Consolidated Financial Statements provides additional information regarding the Company’s outstanding debt obligations.

All of the Company’s total debt outstanding as of December 31, 2025 was based on a floating base rate (SOFR – Secured Overnight Financing Rate) of interest, which potentially exposes the Company to increases in interest rates. However, due to our debt to EBITDA ratio of 1.85 times and forecasted rates from external banks, we believe that our total exposure is limited and such exposure is considered in our forecasted cash uses.

Foreign Currency Risk

A significant portion of our revenues are typically derived from sales outside of the United States. Among the major foreign currencies in which we conduct business are the Euro, the British Pound and the Australian dollar. The reporting currency of our consolidated financial statements is the U.S. dollar. As the values of the foreign currencies in which we operate fluctuate over time relative to the U.S. dollar, the Company is exposed to both foreign currency translation and transaction risk.

Translation risk arises as our foreign currency assets and liabilities are translated into U.S. dollars because the functional currencies of our foreign operations are generally denominated in the local currency. Adjustments resulting from the translation of these assets and liabilities are deferred and recorded as a component of stockholders’ equity. In 2025, the impact of foreign currency translation on our Statement of Stockholders’ Equity was $1.9 million. The translation of our foreign currency revenues and expenses historically has not had a material impact on our consolidated earnings because movements in and among the major currencies in which we operate tend to impact our revenues and expenses fairly equally. However, our earnings could be impacted during periods of significant exchange rate volatility, or when some or all of the major currencies in which we operate move in the same direction against the U.S. dollar.

Transaction risk arises when we enter into a transaction that is denominated in a currency that may differ from the local functional currency. As these transactions are translated into the local functional currency, a gain or loss may result, which is recorded in current period earnings. In 2025, the impact on revenues from foreign currency transactions was not material to our consolidated financial statements.

Credit Risk

Financial instruments that potentially subject the Company to concentration of credit risk consist primarily of short-term, highly liquid investments classified as cash equivalents and accounts receivable and contract assets. The majority of the Company’s cash and cash equivalents are with large investment-grade commercial banks. Accounts receivable and contract asset balances deemed to be collectible from customers have limited concentration of credit risk due to our diverse customer base and geographies. Actual collections from

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customers may differ from the Company’s estimates. See “Accounts Receivable, Contract Assets and Allowance for Doubtful Accounts” in Note 2 to the Notes to Consolidated Financial Statements.

Item 8. Financial Statements and Supplementary Data

Reference is made to our financial statements beginning on page F-1 of this Annual Report on Form 10-K.

Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure

None.

Item 9A. Controls and Procedures

Disclosure Controls and Procedures

Our disclosure controls and procedures are designed to ensure that information required to be disclosed in the reports that we file or submit under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure. Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of December 31, 2025, as required by Rule 13a-15(b) under the Exchange Act. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level as of December 31, 2025.

Management’s Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rule 13a-15(f) under the Exchange Act. Our internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of our financial statements for external reporting purposes in accordance with generally accepted accounting principles. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting as of December 31, 2025, as required by Rule 13a-15(c) under the Exchange Act. In making this assessment, we used the criteria set forth in the framework in Internal Control—Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on its evaluation, management concluded that our internal control over financial reporting was effective as of December 31, 2025.

The effectiveness of the Company’s internal control over financial reporting as of December 31, 2025 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in its attestation report which appears herein.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the quarter ended December 31, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Inherent Limitations on the Effectiveness of Controls

Our management does not expect that our disclosure controls and procedures or our internal control over financial reporting will prevent or detect all errors and all fraud. A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in a cost-effective control system, no controls can provide absolute assurance that misstatements due to error or fraud will not occur, and no evaluation of any such controls can provide absolute assurance that control issues and instances of fraud, if any, within our Company have been detected.

These inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of simple error or mistake. Controls can also be circumvented by the individual acts of some persons, by collusion of two or more people or by management override of the controls. The design of any system of controls is based in part on certain assumptions about the

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likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Projections of any evaluation of the effectiveness of our controls to future periods are subject to risks. Over time, controls may become inadequate because of changes in conditions or deterioration in the degree of compliance with policies and procedures.

Item 9B. Other Information

During the three months ended December 31, 2025, none of the Company’s directors or officers adopted, modified or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement (each as defined in Item 408 of Regulation S-K under the Exchange Act).

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Not applicable.

PART III

Item 10. Directors, Executive Officers and Corporate Governance

Item 11. Executive Compensation

The information required hereunder is incorporated by reference from the sections of our Proxy Statement to be filed in connection with our 2026 Annual Meeting of Stockholders under the captions “Corporate Governance,” “Executive Compensation,” “Summary Compensation Table,” “Outstanding Equity Awards at 2025 Fiscal Year-End,” “Director Compensation” and “Equity Grant Procedures.”

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required hereunder is incorporated by reference from the sections of our Proxy Statement to be filed in connection with our 2026 Annual Meeting of Stockholders under the captions “Equity Compensation Plan Information Table” and “Security Ownership of Certain Beneficial Owners.”

Item 13. Certain Relationships and Related Transactions, and Director Independence

The information required hereunder is incorporated by reference from the sections in our Proxy Statement to be filed in connection with our 2026 Annual Meeting of the Stockholders under the caption “Corporate Governance.”

Item 14. Principal Accounting Fees and Services

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PART IV

Item 15. Exhibits and Financial Statement Schedules

(a)(1) Documents filed as a part of this report:


Financial Statements of Information Services Group, Inc.:
Report of Independent Registered Public Accounting Firm (PCAOB ID 238)	F-1
Consolidated Balance Sheets as of December 31, 2025 and 2024	F-3
Consolidated Statement of Income and Comprehensive Income for the years ended December 31, 2025 and 2024	F-4
Consolidated Statement of Stockholders’ Equity as of December 31, 2025 and 2024	F-5
Consolidated Statement of Cash Flows for the years ended December 31, 2025 and 2024	F-6
Notes to Consolidated Financial Statements	F-7

(a)(2) Financial Statement Schedule


Schedule II—Valuation and Qualifying Accounts for the years ended December 31, 2025, and 2024	G-1

(a)(3) Exhibits:

The information called for by this Item is incorporated by reference from the Exhibit Index included in this Annual Report on Form 10-K.

Item 16. Form 10-K Summary

None.

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Report of Independent Registered Public Accounting Firm

To the Board of Directors and Stockholders of Information Services Group, Inc.

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Information Services Group, Inc. and its subsidiaries (the "Company") as of December 31, 2025 and 2024, and the related consolidated statements of income and comprehensive income, of stockholders’ equity and of cash flows for the years then ended, including the related notes and financial statement schedule listed in the index appearing under Item 15(a)(2) (collectively referred to as the "consolidated financial statements"). We also have audited the Company's internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for the years then ended in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control - Integrated Framework (2013) issued by the COSO.

Basis for Opinions

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in Management’s Report on Internal Control over Financial Reporting appearing under Item 9A. Our responsibility is to express opinions on the Company’s consolidated financial statements and on the Company's internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

F-1

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Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Critical Audit Matters

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements that was communicated or required to be communicated to the audit committee and that (i) relates to accounts or disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Revenue Recognition – Estimated Labor Hours to Complete Fixed Fee Contract Performance Obligations

As described in Note 2 to the consolidated financial statements, revenues related to fixed fee contracts are recognized as value is delivered to the customer, consistent with the transfer of control to the customer over time. Revenue for these contracts is recognized proportionally over the term of the contract using an input method based on the proportion of labor hours incurred as compared to the total estimated labor hours for the fixed fee contract performance obligations, which management considers to be the best available indicator of the pattern and timing in which contract performance obligations are fulfilled and control transfers to the customer. This percentage is multiplied by the contracted dollar amount of the project to determine the amount of revenue to recognize in an accounting period. Revenue related to fixed fee contracts is a portion of the Company’s total revenue of $245 million for the year ended December 31, 2025.

The principal considerations for our determination that performing procedures relating to revenue recognition – estimated labor hours to complete fixed fee contract performance obligations is a critical audit matter are the significant judgment by management when developing the total estimated labor hours to complete fixed fee contract performance obligations used to determine the amount of revenue to recognize, which in turn led to a high degree of auditor judgment, subjectivity, and effort in performing procedures to evaluate the total estimated labor hours to complete performance obligations used in revenue recognition for fixed fee contracts.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to the revenue recognition process, including controls over the determination of total estimated labor hours to complete fixed fee contract performance obligations. The procedures also included, among others, (i) evaluating management’s process for determining the total estimate of labor hours to complete performance obligations; (ii) evaluating the reasonableness of estimated labor hours used by management for a sample of fixed fee contracts; (iii) testing actual hours incurred and recalculating the revenue recognized to date for a sample of fixed fee contracts; and (iv) considering the factors that can affect the accuracy of estimated labor hours for a sample of fixed fee contracts. Evaluating the revenue recognition for fixed fee contracts involved assessing management’s ability to reasonably estimate labor hours to complete the performance obligations by performing a comparison of the original estimated and actual hours incurred on similar completed fixed fee contracts.

/s/ PricewaterhouseCoopers LLP

New York, New York

March 6, 2026

We have served as the Company’s auditor since 2008.

F-2

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INFORMATION SERVICES GROUP, INC.

CONSOLIDATED BALANCE SHEETS

(In thousands, except par value)


	December 31,		December 31,
	2025		2024
ASSETS
Current assets
Cash and cash equivalents	$	28,661	$	23,075
Accounts receivable and contract assets, net of allowance of $2,359 and $5,047, respectively		59,409		58,822
Prepaid expenses and other current assets		6,001		9,384
Total current assets		94,071		91,281
Restricted cash		93		83
Furniture, fixtures and equipment, net		6,597		6,195
Right-of-use lease assets		10,809		5,437
Goodwill		89,375		87,293
Intangible assets, net		3,305		3,560
Deferred tax assets		4,982		6,997
Other assets		1,769		3,669
Total assets	$	211,001	$	204,515
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	10,111	$	9,192
Contract liabilities		9,788		10,058
Accrued expenses and other current liabilities		20,258		19,170
Total current liabilities		40,157		38,420
Long-term debt, net of current maturities		59,175		59,175
Deferred tax liabilities		1,536		1,750
Operating lease liabilities		9,007		3,416
Other liabilities		6,450		5,468
Total liabilities		116,325		108,229
Commitments and contingencies (Note 14)
Stockholders’ equity
Preferred stock, $0.001 par value; 10,000 shares authorized; none issued		—		—
Common stock, $0.001 par value; 100,000 shares authorized; 49,707 shares issued and 47,774 outstanding at December 31, 2025 and 49,658 shares issued and 48,542 outstanding at December 31, 2024		50		50
Additional paid-in capital		202,702		210,149
Treasury stock (1,933 and 1,116 common shares, respectively, at cost)		(9,383)		(3,996)
Accumulated other comprehensive loss		(8,170)		(10,053)
Accumulated deficit		(90,523)		(99,864)
Total stockholders’ equity		94,676		96,286
Total liabilities and stockholders’ equity	$	211,001	$	204,515

The accompanying notes are an integral part of these consolidated financial statements.

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INFORMATION SERVICES GROUP, INC.

CONSOLIDATED STATEMENT OF INCOME AND COMPREHENSIVE INCOME

(In thousands, except per share data)


	Years Ended December 31,

	2025		2024
Revenues	$	244,725	$	247,585
Operating expenses
Direct costs and expenses for advisors		139,321		150,306
Selling, general and administrative		83,070		85,634
Depreciation and amortization		4,538		5,888
Operating income		17,796		5,757
Interest income		151		782
Interest expense		(4,067)		(5,837)
Gain on the sale of business		720		4,532
Foreign currency transaction loss		(64)		(7)
Income before taxes		14,536		5,227
Income tax provision		5,195		2,388
Net income		9,341		2,839
Weighted average shares outstanding:
Basic		48,161		48,785
Diluted		50,334		50,049
Earnings per share:
Basic	$	0.19	$	0.06
Diluted	$	0.19	$	0.06
Comprehensive income :
Net income	$	9,341	$	2,839
Foreign currency translation gain, net of tax expense (benefit) of $515, and $(331) respectively		1,883		(1,064)
Comprehensive income	$	11,224	$	1,775

The accompanying notes are an integral part of these consolidated financial statements.

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INFORMATION SERVICES GROUP, INC.

CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY

(In thousands, except per share data)


								Accumulated
					Additional			Other				Total
	Common Stock				Paid-in-		Treasury	Comprehensive		Accumulated		Stockholders’
	Shares	Amount			Capital		Stock	Loss		Deficit		Equity
Balance December 31, 2023	49,472	$	49	$	217,684	$	(3,959)	$	(8,989)	$	(102,703)	$	102,082
Net income	—		—		—		—		—		2,839		2,839
Other comprehensive loss	—		—		—		—		(1,064)		—		(1,064)
Treasury shares repurchased	—		—		—		(7,619)		—		—		(7,619)
Proceeds from issuance of ESPP shares	—		—		(281)		1,075		—		—		794
Issuance of common stock for RSUs vested	—		—		(6,507)		6,507		—		—		-
Issuance of common stock for Change 4 Growth	186		1		700								701
Accrued dividends on unvested shares	—		—		(100)		—		—		—		(100)
Cash dividends paid to shareholders ($0.18 per share)	—		—		(9,393)		—		—		—		(9,393)
Stock based compensation	—		—		8,046		—		—		—		8,046
Balance December 31, 2024	49,658	$	50	$	210,149	$	(3,996)	$	(10,053)	$	(99,864)	$	96,286
Net income	—		—		—		—		—		9,341		9,341
Other comprehensive gain	—		—		—				1,883		—		1,883
Treasury shares repurchased	—		—		—		(12,366)		—		—		(12,366)
Proceeds from issuance of ESPP shares	—		—		73		571		—		—		644
Issuance of common stock for RSUs vested	—		—		(6,408)		6,408		—		—		-
Issuance of common stock for Martino & Partners	48		—		250		—		—		—		250
Accrued dividends on unvested shares	—		—		(14)		—		—		—		(14)
Cash dividends paid to shareholders ($0.18 per share)	—		—		(9,183)		—		—		—		(9,183)
Stock based compensation	—		—		7,835		—		—		—		7,835
Balance December 31, 2025	49,706	$	50	$	202,702	$	(9,383)	$	(8,170)	$	(90,523)	$	94,676

The accompanying notes are an integral part of these consolidated financial statements.

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INFORMATION SERVICES GROUP, INC.

CONSOLIDATED STATEMENT OF CASH FLOWS

(in thousands)


	Year Ended
	Years Ended December 31,
	2025		2024
Cash flows from operating activities
Net income	$	9,341	$	2,839
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation expense		3,263		3,282
Amortization of intangible assets		1,275		2,606
Deferred tax expense (benefit) from stock issuances		73		401
Amortization of deferred financing costs		222		222
Stock-based compensation		7,835		8,046
Change in fair value of contingent consideration		(811)		(2,312)
Provisions for credit losses		921		1,163
Gain on the sale on business		(720)		(4,532)
Deferred tax (benefit) provision		1,064		(1,730)
Changes in operating assets and liabilities:
Accounts receivable and contract assets		(1,779)		7,069
Prepaid expenses and other assets		196		5,034
Accounts payable		629		(1,551)
Contract liabilities		(270)		713
Accrued expenses and other liabilities		7,772		(1,385)
Net cash provided by operating activities		29,011		19,865
Cash flows from investing activities
Acquisition of Martino & Partners, net of cash acquired (Note 4)		(1,636)		—
Divestiture, net of cash disposed (Note 5)		—		21,822
Purchase of furniture, fixtures and equipment		(4,022)		(2,830)
Net working capital settlement from divestiture (Note 2)		720		—
Net cash (used in) provided by investing activities		(4,938)		18,992
Cash flows from financing activities
Proceeds from revolving facility (Note 13)		15,000		28,000
Repayment of outstanding debt (Note 13)		(15,029)		(48,000)
Additional proceeds from the sale of the Automation business (Note 2)		1,954		—
Proceeds from issuance of employee stock purchase plan shares		644		794
Payments related to tax withholding for stock-based compensation		(3,112)		(2,078)
Payment of contingent consideration		(550)		(1,657)
Cash dividends paid to shareholders		(9,183)		(9,393)
Treasury shares repurchased		(9,271)		(5,572)
Net cash used in financing activities		(19,547)		(37,906)
Effect of exchange rate changes on cash		1,070		(602)
Net increase in cash, cash equivalents, and restricted cash		5,596		349
Cash, cash equivalents, and restricted cash, beginning of period		23,158		22,809
Cash, cash equivalents, and restricted cash, end of period	$	28,754	$	23,158

Supplemental disclosures of cash flow information:
Cash paid for:
Interest	$	3,852	$	5,732
Taxes, net of refunds	$	1,414	$	1,718

Non-cash investing and financing activities:
Right-of-use assets obtained in exchange for lease liabilities (Note 9)	$	7,199	$	319
Issuance of treasury stock for vested restricted stock units	$	6,408	$	6,507

The accompanying notes are an integral part of these consolidated financial statements.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands, except per share data)

NOTE 1—DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS

NOTE 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation and Principles of Consolidation

The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. These consolidated financial statements and footnotes are presented in accordance with accounting principles generally accepted in the United States of America (“GAAP”). All intercompany accounts and transactions have been eliminated in consolidation. Unless the context requires otherwise, references to the Company include ISG and its consolidated subsidiaries.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and revenues and expenses during the periods reported. Actual results may differ from those estimates. The complexity of the estimation process and issues related to the assumptions, risks and uncertainties inherent in the application of the revenue recognition guidance for contracts in which control is transferred to the customer over time affect the amounts of revenues, expenses, contract assets and contract liabilities. Numerous internal and external factors can affect estimates. Estimates are also used for but not limited to allowance for doubtful accounts, useful lives of furniture, fixtures and equipment and definite lived intangible assets, depreciation expense, fair value assumptions in evaluating goodwill for impairment, income taxes and deferred tax asset valuation and the valuation of stock-based compensation.

Business Combinations

We have acquired businesses critical to the Company’s long-term growth strategy. Results of operations for acquisitions are included in the accompanying consolidated statement of comprehensive income from the date of acquisition. Acquisitions are accounted for using the purchase method of accounting and the purchase price is allocated to the net assets acquired based upon their estimated fair values at the date of acquisition. The excess of the purchase price over the net assets is recorded as goodwill. Acquisition-related costs are expensed as incurred and recorded in selling, general and administrative expenses.

Cash and Cash Equivalents

The Company considers all highly liquid instruments with an original maturity of three months or less to be cash equivalents, including certain money market accounts. The Company principally maintains its cash in money market and bank deposit accounts in the United States of America, which typically exceed applicable insurance limits. The Company believes it is not exposed to any significant credit risk on cash and cash equivalents.

Restricted Cash

Restricted cash consists of cash and cash equivalents which the Company has committed for rent deposits and are not available for general corporate purposes.

Accounts Receivable, Contract Assets and Allowance for Doubtful Accounts

Our trade receivables primarily consist of amounts due for services already performed. The Company maintains an allowance for doubtful accounts for estimated losses resulting from the inability of clients to pay fees or for disputes that affect its ability to fully collect billed accounts receivable. The allowance for these risks is prepared by reviewing the status of all accounts and recording reserves on a specific identification method based on previous experiences and historical bad debts. However, our actual experience may vary from these

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

estimates. If the financial condition of our clients were to deteriorate, resulting in their inability or unwillingness to pay their invoices, we may need to record additional allowances or write-offs in future periods. To the extent the provision relates to a client’s inability or unwillingness to make required payments, the provision is recorded as bad debt expense, which is classified within selling, general and administrative expense in the accompanying consolidated statement of comprehensive income. Historically, the Company’s bad debt reserves and write-offs have not been significant.

The provision for unbilled services is recorded as a bad debt expense; however, to the extent an adjustment to unbilled relates to fee adjustments and other discretionary pricing adjustments, it is recorded to revenue.

During the fourth quarter of 2023, a client that had engaged the Company for two multi-year projects, which previously commenced in 2021 and 2022, respectively, failed to make payments as per the contracted payment schedule. As a result, the Company ceased performing services under the agreements. After unsuccessful negotiations, the Company provided the client with notice that it would be terminating the respective projects. Accordingly, during the fourth quarter of 2023, the Company recorded through bad debt expense an allowance for doubtful accounts reserve of $4.9 million associated with this client. The specific reserve recorded as of December 31, 2024 represented management’s best estimate of the probable amount of collection related to the outstanding amounts under these agreements. During the three months ended June 30, 2025, after exhausting all collection efforts on one of the projects, the Company wrote-off $3.6 million of the outstanding amounts against the previously established reserve. As all amounts written off were previously fully reserved, there was no incremental impact to the income statement in such period. As of December 31, 2025, $1.3 million of the reserve on the other multi-year project remains. The Company commenced legal action against the client in April 2024 to collect the outstanding receivables on the other multi-year project. On September 3, 2025, the court issued its final non appealable judgement holding the client liable to the Company for approximately $5.6 million, plus applicable legal interest at 5% per annum until full payment is made. The Company is continuing to aggressively pursue collection on this judgement against the former client through asset discovery authorized by court orders, though no assets have yet been identified to satisfy the judgement. As collection efforts are ongoing, actual collections from the client may differ from the Company’s estimate. It is unclear at this time if the court judgement will be satisfied by this client’s assets.

Separately, the Company is currently engaged in litigation with a client over a disputed accounts receivable balance for services rendered. The Company plans to pursue collection of the full outstanding balance of $4.7 million in litigation. As of December 31, 2025, we have not recorded material reserves against this balance. The Company will continue to reassess ultimate collectability and the need for reserves in future periods.

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist primarily of prepaid expenses for insurance, conferences, deposits for facilities, programs, software and promotion items.

Furniture, Fixtures and Equipment, net

Furniture, fixtures and equipment are recorded at cost. Depreciation is computed by applying the straight-line method over the estimated useful life of the assets, which ranges from two to five years. Leasehold improvements are depreciated over the lesser of the useful life of the underlying asset or the lease term, which generally ranges from two to five years. Repairs and maintenance are charged to expense as incurred. The cost and accumulated depreciation of assets sold or otherwise disposed of are removed from the accounts and any associated gain or loss thereon is reflected in the accompanying consolidated statement of comprehensive income.

The Company capitalizes internal-use software and website development costs and records these amounts within Furniture, Fixtures and Equipment, net. Accounting standards require that certain costs related to the development or purchase of internal-use software and systems as well as the costs incurred in the application development stage related to its website be capitalized and amortized over the estimated useful life of the software or system. They also require that costs related to the preliminary project stage, data conversion and post implementation/operation stage of an internal-use software development project be expensed as incurred.

During the years ended December 31, 2025 and 2024 the Company capitalized $1.8 million and $3.2 million, respectively, of costs associated with system and website development.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Goodwill

Our goodwill represents the excess of the cost of businesses acquired over the fair value of the net assets acquired at the date of acquisition. Goodwill is not amortized but rather tested for impairment at least annually in accordance with accounting and disclosure requirements for goodwill and other indefinite-lived intangible assets. This test is performed by us during our fourth fiscal quarter or more frequently if we believe impairment indicators are present.

A qualitative assessment is performed to determine whether the existence of events or circumstances leads to a determination that it is more likely than not the fair value of the reporting unit is less than its carrying amount. If, based on the evaluation, it is determined to be more likely than not that the fair value is less than the carrying value then goodwill is tested further for impairment. If the fair value of goodwill is lower than its carrying amount, an impairment loss is recognized in an amount equal to the difference. Subsequent increases in value are not recognized in the financial statements.

There was no impairment of goodwill during the years ended December 31, 2025 and 2024. There were no indicators identified in 2025 or 2024 that would suggest that it was more likely than not that the Company’s reporting unit was impaired.

Long-Lived Assets

Long-lived assets, excluding goodwill and indefinite-lived intangibles, to be held and used by the Company are reviewed to determine whether any significant change in the long-lived asset’s physical condition, a change in industry conditions or a reduction in cash flows associated with the asset group that contains the long-lived asset. If these or other factors indicate the carrying amount of the asset group, which is the lowest level for which identifiable cash flows exist that are separately identifiable from other cash flows, may not be recoverable, the Company determines whether impairment has occurred through the use of an undiscounted cash flow analysis. If impairment has occurred, the Company recognizes a loss for the difference between the carrying amount and the fair value of the asset group. The fair value of the asset group is measured using market prices or, in the absence of market prices, an estimate of discounted cash flows. Cash flows are generally discounted at an interest rate commensurate with our weighted average cost of capital. Assets are classified as held for sale when the Company has a plan for disposal of certain assets and those assets meet the held for sale criteria.

Debt Issuance Costs

Costs directly incurred in obtaining long-term financing, typically bank and attorney fees, are deferred and are amortized over the life of the related loan. Deferred issuance costs are classified as a direct deduction to the long-term debt in the accompanying consolidated balance sheet. Amortization of debt issuance costs is included in interest expense and totaled $0.2 million as of both December 31, 2025 and 2024.

Revenue Recognition

Revenues for time and materials contracts, which may include capped fees or “not-to-exceed” clauses, are recognized based on the number of hours worked by our advisors at an agreed upon rate per hour and are recognized in the period in which services are performed. Revenues for time and materials contracts are billed monthly, semimonthly or in accordance with the specific contractual terms of each project. For contracts with capped fees or not-to-exceed clauses, we monitor our performance and fees billed to ensure that revenue is not recognized in excess of the contractually capped fee.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

We also derive revenues based on negotiating reductions in network and software costs of companies with the entity’s related service providers and providing other services such as audits of network and communication expenses and consultation for network architecture. These contracts can be fixed in fees or can be based on the level of savings achieved related to its communications costs. Additionally, these contracts can also have a fixed component and a contingent component that is based on the savings generated by the Company. For network and software contingency contracts with termination for convenience clauses, revenue is recognized over time due to the existence of provisions for payment for progress incurred to date plus a reasonable profit margin. The contract periods range from a few months to in excess of a year.

We also enter into arrangements for the sale of automation software licenses and related delivery of consulting or implementation services at the same time or within close proximity to one another. Such software-related performance obligations include the sale of on-premises software, hybrid and software-as-a-service licenses, as well as other software-related services. Revenue associated with the software performance obligation is primarily recognized at the point at which the software is installed or access is granted.

When we recognize revenues in advance of billing, those revenues are recorded as contract assets. When we invoice in advance of completing services or earning revenues, those amounts are recorded as contract liabilities.

Reimbursable Expenditures

Amounts billed to customers for reimbursable expenditures are included in revenues and the associated costs incurred by the Company are included in direct costs and expenses for advisors in the accompanying consolidated statement of comprehensive income. Non-reimbursable amounts are expensed as incurred. Reimbursable expenditures totaled $1.9 million and $1.6 million for the years ended December 31, 2025 and 2024, respectively.

Direct Costs and Expenses for Advisors

Direct costs and expenses for advisors include payroll expenses and advisory fees directly associated with the generation of revenues and other program expenses. Direct costs and expenses for advisors are expensed as incurred.

Direct costs and expenses for advisors also include expense accruals for discretionary bonus payments. Bonus accrual levels are adjusted throughout the year based on actual and projected Company performance.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Stock-Based Compensation

We grant restricted stock units with a fair value that is determined based on the closing price of our common stock on the date of grant. Such grants generally vest ratably over a one-to-four-year period for employees and a three-year period for directors. Stock-based compensation expense is recognized ratably over the applicable service period.

We follow the provisions of accounting and disclosure requirements for share-based payments, including the measurement and recognition of all share-based compensation under the fair value method.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and accounts receivable. The Company places its cash investments with high-quality financial institutions. The Company extends credit to its customers based upon an evaluation of the customer’s financial condition and credit history and generally does not require collateral.

Treasury Stock

The Company makes treasury stock purchases in the open market pursuant to its share repurchase program, which was most recently approved by the Board of Directors on August 1, 2023.

Treasury stock is recorded on the accompanying Consolidated Balance Sheets at cost as a reduction of stockholders’ equity. Shares are released from Treasury at original cost on a first-in, first-out basis, with any gain or loss on the sale reflected as an adjustment to additional paid-in capital.

Foreign Currency Translation

The assets and liabilities of the Company’s foreign subsidiaries are translated into U.S. dollars at exchange rates in effect at the end of the reporting period. Revenue and expense items are translated at average exchange rates for the reporting period. Resulting translation adjustments are included in the accompanying Consolidated Statement of income and Comprehensive Income and Consolidated Statement of Stockholders’ Equity as a component of Accumulated Other Comprehensive Loss.

The functional currency of the Company and its subsidiaries is the respective local currency. The Company has contracts denominated in foreign currencies, and therefore a portion of the Company’s revenues are subject to foreign currency risks. Transactional currency gains and losses that arise from transactions denominated in currencies other than the functional currencies of our operations are recorded in Foreign Currency Translation in the accompanying Consolidated Statement of Comprehensive Income.

Fair Value of Financial Instruments

The carrying value of the Company’s cash and cash equivalents, receivables, accounts payable, other current liabilities and accrued interest approximate fair value.

Fair value measurements were applied with respect to our nonfinancial assets and liabilities measured on a nonrecurring basis, which would consist of measurements primarily to goodwill, intangible assets and other long-lived assets and assets acquired and liabilities assumed in a business combination.

Fair value is the price that would be received upon a sale of an asset or paid upon a transfer of a liability in an orderly transaction between market participants at the measurement date (exit price). Market participants can use market data or assumptions in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market-corroborated or generally unobservable. The use of unobservable inputs is intended to allow for fair value determinations in situations where there is little, if any, market activity for the asset or liability at the measurement date. Under the fair-value hierarchy:

●Level 1 measurements include unadjusted quoted market prices for identical assets or liabilities in an active market;

●Level 2 measurements include quoted market prices for identical assets or liabilities in an active market that have been adjusted for items such as effects of restrictions for transferability and those that are not quoted but are observable through corroboration with observable market data, including quoted market prices for similar assets; and

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

●Level 3 measurements include those that are unobservable and of a highly subjective measure.

During 2025, there were no transfers of our financial assets between Level 1, Level 2 or Level 3 measures. Our financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

The following tables summarize assets and liabilities measured at fair value on a recurring basis at the dates indicated:


	Basis of Fair Value Measurements
	December 31, 2025
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	98	$	—	$	—	$	98
Total	$	98	$	—	$	—	$	98

Liabilities:
Contingent consideration ⁽¹⁾	$	—	$	—	$	334	$	334
Total	$	—	$	—	$	334	$	334


	Basis of Fair Value Measurements
	December 31, 2024
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	84	$	—	$	—	$	84
Total	$	84	$	—	$	—	$	84

Liabilities:
Contingent consideration ⁽¹⁾	$	—	$	—	$	1,225	$	1,225
Total	$	—	$	—	$	1,225	$	1,225

(1)	As of December 31, 2025, the noncurrent contingent consideration is included in “Other liabilities,” As of December 31, 2024, current and noncurrent contingent consideration are included in Accrued expenses and other current liabilities” and “Other liabilities”.

The fair value measurement of contingent consideration is classified within Level 3 of the fair value hierarchy and reflects the Company’s own assumptions in measuring fair values using the income approach. In developing these estimates, the Company considered certain performance projections, historical results and industry trends. This amount was estimated through a valuation model that incorporated probability-weighted assumptions related to the achievement of these milestones and the likelihood of the Company making payments. These cash outflow projections have then been discounted using a rate of 6.0% for December 31, 2025 and 4.9% for December 31, 2024, respectively.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

The following table represents the change in the contingent consideration liability during the years ended December 31, 2025 and 2024:


	December 31,
	2025		2024

Beginning Balance	$	1,225	$	5,894
Change 4 Growth contingent consideration adjustment ⁽¹⁾		—		(1,571)
Change 4 Growth contingent consideration payment		(550)		(2,200)
Ventana contingent consideration adjustment ⁽¹⁾		(742)		(818)
Ventana contingent consideration payment		—		(157)
Martino & Partners contingent consideration accrued		468		—
Accretion of contingent consideration		35		77
Martino & Partners contingent consideration accrued adjustment		(102)		—
Ending Balance	$	334	$	1,225

(1)	The Change 4 Growth and Ventana earnout adjustment relate to the expected target achievement not being met for certain milestones specific to the respective acquisitions.

The Company’s financial statements include outstanding borrowings of $59.2 million at both December 31, 2025 and December 31, 2024, which are carried at amortized cost. The fair value of debt is classified within Level 3 of the fair value hierarchy. The fair value of the Company’s outstanding borrowings was approximately $59.5 million and $59.6 million at December 31, 2025 and December 31, 2024, respectively. The fair values of debt have been estimated using a discounted cash flow analysis based on the Company’s incremental borrowing rate for similar borrowing arrangements. The incremental borrowing rate used to discount future cash flows was 5.3% and 6.4% for December 31, 2025 and 2024, respectively. The Company also considered recent transactions of peer group companies for similar instruments with comparable terms and maturities as well as an analysis of current market conditions and interest rates. In 2025, the Company borrowed $15.0 million and subsequently repaid $15.0 million of the outstanding balance on its revolving credit facility. The Company is currently in compliance with its financial covenants.

Income Taxes

We use the asset and liability method to account for income taxes, including recognition of deferred tax assets and liabilities for the anticipated future tax consequences attributable to differences between financial statement amounts and their respective tax basis. We review our deferred tax assets for recovery. A valuation allowance is established when we believe that it is more likely than not that some portion of its deferred tax assets will not be realized. Changes in the valuation allowance from period to period are included in our tax provision in the period of change.

For uncertain tax positions, we use the prescribed model for assessing the financial recognition and measurement of all tax positions taken or expected to be taken in tax returns. This guidance provides clarification on derecognition, classification, interest and penalties, accounting in interim periods, disclosures and transition. Our provision for income taxes also includes the impact of provisions established for uncertain income tax positions, as well as the related interest.

Recently Issued Accounting Pronouncements.

Income Taxes

In December 2023, the Financial Accounting Standards Board (“FASB”) issued updated guidance to enhance the transparency of income tax disclosure by requiring disaggregated information about an entity’s effective tax rate reconciliation, as well as information on taxes paid. This updated guidance is effective for annual periods beginning after December 15, 2024. The Company adopted this standard prospectively by disaggregating the effective tax rate reconciliation and income taxes paid. Refer to Note 16 for more details.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Income Statement Disaggregation

In November 2024, the FASB issued updated guidance ASU 2024-03, to improve the disaggregation of income statement expenses. This guidance requires additional disclosure of certain amounts included in the expense captions presented on the statement of operations as well as disclosures about selling expenses. The ASU is effective on a prospective basis, with the option for retrospective application, for annual periods beginning after December 15, 2026 and interim reporting periods beginning after December 15, 2027. Early adoption is permitted for annual financial statements that have not yet been issued. The Company is in the process of assessing the impact the adoption of this guidance will have on the Company’s financial statement disclosures.

NOTE 3—REVENUE

The majority of our revenue is derived from contracts that can span from a few months to several years. We enter into contracts that can include various combinations of services, which, depending on contract type, are sometimes capable of being distinct. If services are determined to be distinct, they are accounted for as separate performance obligations. A performance obligation is a promise in a contract to transfer a distinct good or service to the client and is the unit of account. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. The majority of our contracts have a single performance obligation as the promise to transfer the individual services is not separately identifiable from other promises in the contracts and, therefore, is not distinct. For contracts with multiple performance obligations, the Company allocates the transaction price to each performance obligation using our best estimate of the standalone selling price, or SSP, of each distinct product or service in the contract. The Company establishes SSP based on management’s estimated selling price or observable prices of products or services sold separately in comparable circumstances to similar clients.

Our contracts may include promises to transfer multiple services and products to a client. Determining whether services and products are considered distinct performance obligations that should be accounted for separately versus together may require judgment.

Contract Balances

The timing of revenue recognition, billings and cash collections result in billed accounts receivables, unbilled receivables (contract assets) and customer advances and deposits (contract liabilities). Our clients are billed based on the type of arrangement. A portion of our services is billed monthly based on hourly or daily rates. There are also client engagements in which we bill a fixed amount for our services. This may be one single amount covering the whole engagement or several amounts for various phases, functions or milestones. Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. However, we sometimes receive advances or deposits before revenue is recognized, resulting in contract liabilities. Contract assets and liabilities are generally reported in the current assets and current liabilities sections of the consolidated balance sheet, at the end of each reporting period, based on the timing of the satisfaction of the related performance obligation(s). For multi-year software sales with annual invoicing, we perform a significant financing component calculation and recognize the associated interest income throughout the duration of the financing period. In addition, we reclassify the resulting contract asset balances as current and noncurrent receivables as receipt of the consideration is conditional only on the passage of time and there are no performance risk factors present. See the table below for a breakdown of contract assets and contract liabilities.


	December 31,		December 31,
	2025		2024
Contract assets	$	14,489	$	18,335
Contract liabilities	$	9,788	$	10,058

Non-current contract assets of $1.3 million as of December 31, 2025 and $2.7 million as of December 31, 2024 are included in “Other assets” on the Consolidated Balance Sheet.

Revenue recognized for the year ended December 31, 2025 that was included in the contract liability balance at January 1, 2025 was $8.4 million and represented primarily revenue from our fixed-fee, research, and subscription contracts.

Remaining performance obligations

As of December 31, 2025, the Company had $118.9 million of remaining performance obligations, the majority of which are expected to be satisfied within the next year.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Out-of-Period Adjustment

In conjunction with the Company’s close process for the second quarter of 2024, management identified a $0.5 million error related to revenue incorrectly recognized during the third quarter of 2022. Accordingly, the Company recorded a $0.5 million adjustment in the second quarter of 2024 to reduce revenue. Management evaluated the pre-tax impact of this error of $0.5 million on the Company’s previously reported interim and annual financial statement for Q3 2022 and full year 2022 consolidated financial statements and determined that the impact of this misstatement is not material to the consolidated financial statements for any interim or annual periods.

NOTE 4—ACQUISITION

Martino & Partners Acquisition

On September 1, 2025, the Company completed the acquisition of Martino & Partners s.r.l. (“Martino & Partners”), a strategic advisory firm serving public and private sectors clients in Italy, for total consideration of EUR 2.0 million (USD 2.3 million) in cash paid at closing; USD 250,000 worth of shares of ISG’s common stock, issued promptly following the closing; and EUR 350,000 (USD 0.4 million) in cash, to be paid no later than April 30, 2028. Martino & Partners will also have the right to receive additional consideration paid via earn-out payments, if certain financial targets are met. The acquisition was accounted for as a business combination in accordance with Accounting Standards Codification (“ASC”) 805, Business Combinations.

The following table summarizes the preliminary allocation of the purchase price to the estimated fair values of the assets acquired and liabilities assumed at the acquisition date (in thousands):


Cash	$	2,331
Deferred purchase consideration		410
Contingent liabilities		468
ISG common stock		250
Total allocable purchase price	$	3,459

The amount of recognized identifiable assets acquired and liabilities assumed as of the acquisition date:


Current assets	$	1,050
Intangible assets		1,020
Fixed assets		22
Current liabilities		(376)
Debt assumed		(34)
Net assets acquired	$	1,682

Goodwill		1,777

The primary factors that drove the goodwill recognized, the majority of which is deductible for tax purposes, were the inclusion of legacy Martino & Partners workforce and the expansion of the Company’s client base, geographic footprint and capabilities in the European market.

Costs associated with this acquisition are included in the selling, general and administrative expenses in the Consolidated Statement of Income and Comprehensive Income were immaterial during the year ended December 31, 2025.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Based on the valuation and other factors as described above, the purchase price assigned to intangible assets and the amortization period were as follows:



	Purchase Price		Estimated
	Allocation		Useful Lives
Amortizable intangible assets:
Trademark and trade name	$	220	3 years
Customer relationships		760	7 years
Noncompete agreements		40	4 years
Total intangible assets	$	1,020

NOTE 5—DIVESTITURES

On October 1, 2024, the Company completed the sale of its Automation business line to UST Global Inc. (“UST”) for $27 million in an all-cash transaction, of which $20 million was paid in cash at closing and $7 million was placed in escrow, with $4 million of the escrowed amount being released within 90 days of closing of the transaction based upon receipt of a consent, delivery of a notice, or the entering into a spin-off agreement with a list of clients whose contracts require one of the foregoing actions. The gain on sale of $4.5 million was recognized in Gain on the sale of business and $2.9 million of disposition expenses was recognized in Selling, general and administrative within the Consolidated Statement of Income and Comprehensive Income for the year ended December 31, 2024. The Company did not report the sale in discontinued operations as it was not a strategic shift that would have a major effect on the Company’s operations and financial results. Based on the achievement of certain contractual requirements for the year ended December 31, 2024, the Company received $2 million of remaining proceeds held in escrow in cash during the first quarter of 2025. Additionally, pursuant to the purchase agreement, which provided for a working capital adjustment, the Company received $0.7 million from UST as final settlement during the third quarter of 2025.

NOTE 6—NET INCOME PER COMMON SHARE

Basic earnings per share is computed by dividing net income available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that would share in the net income of the Company. For the year ended December 31, 2025, 2.2 million restricted stock units have not been considered in the diluted earnings per share calculation, as the effect would be anti-dilutive.

The following tables set forth the computation of basic and diluted earnings per share:


	Year Ended December 31,
	2025		2024
Basic:
Net income	$	9,341	$	2,839
Weighted average common shares		48,161		48,785
Earnings per share	$	0.19	$	0.06
Diluted:
Net income	$	9,341	$	2,839

Basic weighted average common shares		48,161		48,785
Potential common shares		2,173		1,264
Diluted weighted average common shares		50,334		50,049
Diluted earnings per share	$	0.19	$	0.06

F-16

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

NOTE 7—ACCOUNTS RECEIVABLE AND CONTRACT ASSETS

Accounts receivable and contract assets, net of allowance, consisted of the following:


	Years Ended December 31,
	2025		2024
Accounts receivable, net of allowance	$	44,916	$	40,478
Contract assets		14,489		18,335
Receivables from related parties		4		9
	$	59,409	$	58,822

NOTE 8—FURNITURE, FIXTURES AND EQUIPMENT

Furniture, fixtures and equipment consisted of the following:


			Years Ended December 31,
	Estimated Useful Lives		2025		2024
Computer hardware, software and other office equipment	2 to 5	years	$	6,938	$	2,467
Furniture, fixtures and leasehold improvements	2 to 5	years		1,963		3,496
Software and development costs	3 to 5	years		9,773		15,791
Accumulated depreciation				(12,077)		(15,559)
			$	6,597	$	6,195

Depreciation expense was $3.3 million and at both December 31, 2025 and 2024.

NOTE 9—LEASES

The Company recognizes lease expense in the Consolidated Statements of Income and Comprehensive Income on a straight-line basis over the lease term. As most of the Company’s leases do not provide an implicit rate, the Company uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of the lease payments.

The Company leases its office space and office equipment under long-term operating lease agreements that expire at various dates through November 2036, some of which include options to extend the leases for up to 5 years, and some of which included options to terminate the leases within one year. Under the operating leases, the Company pays certain operating expenses relating to the office equipment and leased property.

In April 2025, the Company entered into a new operating ten-year lease for approximately 17,500 square feet of office space in Stamford, Connecticut and includes annual base rent of $0.9 million, subject to annual escalation of 2% with an option to terminate the lease effective on the seventh anniversary of the rent commencement date. The lease commencement date was September 2025, and the rent commencement date is expected to be November 2026.

F-17

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

The components of lease expense were as follows:



	December 31,
	2025		2024
Lease cost
Operating lease cost	$	2,620	$	2,604
Finance lease cost:
Amortization of right-of-use assets		158		150
Interest on lease liabilities		26		17
Short-term lease cost		24		46
Variable lease cost		302		289
Total lease cost	$	3,130	$	3,106

Supplemental cash flow information related to leases was as follows
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	26	$	17
Operating cash flows from operating leases	$	2,521	$	2,708
Financing cash flows from finance leases	$	183	$	161

Supplemental balance sheet information related to leases was as follows:


(In thousands, except lease term and discount rate)	December 31,		December 31,
	2025		2024
Operating lease
Operating lease right-of-use asset	$	10,809	$	5,437

Current operating lease liabilities ⁽¹⁾	$	2,137	$	2,328
Non-current operating lease liabilities		9,007		3,416
Total operating lease liabilities	$	11,144	$	5,744

Finance leases
Finance lease right-of-use assets ⁽²⁾	$	199	$	139

Current finance lease liabilities ⁽¹⁾	$	132	$	106
Non-current finance lease liabilities		80		36
Total finance lease liabilities	$	212	$	142

Weighted average remaining lease term (in years)
Operating lease		8.5		4.3
Finance leases		1.8		1.6
Weighted average discount rate
Operating lease		8.0%		9.7%
Finance leases		10.7%		10.9%

(1)

Current lease liabilities are included in “Accrued expenses and other current liabilities.”

(2)

Finance lease right-of-assets are included in “Furniture, fixtures and equipment, net.”

F-18

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Maturities of lease liabilities were as follows:


	Operating		Finance
	Leases		Leases
Year Ending December 31,
2026	$	2,232	$	139
2027		1,790		74
2028		1,529		18
2029		1,491		1
2030		1,524		—
Thereafter		5,783		—
Total lease payments		14,349		232
Less imputed interest		(3,205)		(20)
Total	$	11,144	$	212

NOTE 10—INTANGIBLE ASSETS

The carrying amount of intangible assets, net of accumulated amortization and impairment charges, as of December 31, 2025 and 2024 consisted of the following:


			2025
			Gross
			Carrying				Accumulated		Currency		Net Book
	Estimated Useful Lives		Amount		Acquisitions		Amortization		Impact		Value
Amortizable intangibles:
Customer relationships	2 to 15	years	$	76,689	$	760	$	(74,398)	$	(117)	$	2,934
Noncompete agreements	4 to 7	years		6,362		40		(6,366)		(4)		32
Software	3 to 4	years		1,597		—		(1,597)		—		—
Databases	4 to 15	years		9,026		—		(8,846)		(180)		—
Trademark and trade names	3 to 5	years		3,190		220		(3,074)		3		339
Intangibles				96,864		1,020		(94,281)	$	(298)		3,305


			2024
			Gross
			Carrying				Accumulated		Currency		Net Book
	Estimated Useful Lives		Amount		Disposition		Amortization		Impact		Value
Amortizable intangibles:
Customer relationships	2 to 15	years	$	78,883	$	(2,194)	$	(73,656)	$	(120)	$	2,913
Noncompete agreements	4 to 7	years		6,362		—		(6,321)		1		42
Software	3 to 4	years		1,660		(63)		(1,597)		—		—
Databases	4 to 15	years		13,218		(4,192)		(8,846)		(180)		—
Trademark and trade names	3 to 5	years		3,190		—		(2,586)		1		605
Intangibles				103,313		(6,449)		(93,006)		(298)		3,560

F-19

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Amortization expense was $1.3 million and $2.6 million for the years ended December 31, 2025 and 2024, respectively. The estimated future amortization expense subsequent to December 31, 2025 is as follows:


2026	$	912
2027		687
2028		639
2029		494
2030		399
Thereafter		174
	$	3,305

NOTE 11—GOODWILL

The changes in the carrying amount of goodwill for the years ended December 31, 2025 and 2024 are as follows:


		December 31,
	2025			2024
Balance as of January 1
Goodwill	$	87,978	$	97,705
Foreign currency impact		(685)		(473)
Balance as of January 1		87,293		97,232

Acquisitions		1,803		—
Dispositions		—		(9,727)
Foreign currency impact and adjustments		279		(212)
		2,082		(9,939)
Balance as of December 31
Goodwill		89,781		87,978
Foreign currency impact and adjustments		(406)		(685)
Balance as of December 31	$	89,375	$	87,293

NOTE 12—ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

The components of accrued liabilities and other current liabilities for the years ended December 31, 2025 and 2024 are as follows:


	December 31,
	2025		2024
Accrued payroll, incentive, and vacation	$	6,799	$	4,509
Accrued corporate and payroll related taxes		1,232		616
Accrued contractor expenses		5,059		7,206
Contingent consideration-current		—		555
Current operating lease liability		2,137		2,328
Other		5,031		3,956
	$	20,258	$	19,170

F-20

Table of Contents

INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

NOTE 13—FINANCING ARRANGEMENTS AND LONG-TERM DEBT

Long-term debt consists of the following:


	December 31,
	2025		2024
Revolving borrowings	$	59,175	$	79,175
Repayments of revolver		(15,000)		(48,000)
Borrowings of revolver		15,000		28,000
Long-term debt	$	59,175	$	59,175

The revolving loan repayment of the outstanding principal amount and interest payment is due on the maturity date of February 22, 2028.

On February 22, 2023, the Company amended and restated its senior secured credit facility to increase the revolving commitments per the revolving facility from $54.0 million to $140.0 million and eliminate its term loan (as further amended on June 27, 2024, the “2023 Credit Agreement”). The material terms under the 2023 Credit Agreement are as follows. Capitalized terms used but not defined herein have the meanings ascribed to them in the 2023 Credit Agreement:

●

The revolving credit facility has a maturity date of February 22, 2028.

●

The Company’s direct and indirect existing and future wholly owned domestic subsidiaries serve as guarantors to the Company’s obligations under the senior secured facility.

●

The senior secured credit facility contains customary events of default, including cross-default to other material agreements, judgment default and change of control.

F-21

Table of Contents

INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

of the Company's outstanding borrowings was approximately $59.5 million and $59.6 million at December 31, 2025 and December 31, 2024, respectively. The fair values of debt have been estimated using a discounted cash flow analysis based on the Company's incremental borrowing rate for similar borrowing arrangements. The incremental borrowing rate used to discount future cash flows was 5.3% and 6.4% as of December 31, 2025 and December 31, 2024, respectively. The Company also considered recent transactions of peer group companies for similar instruments with comparable terms and maturities as well as an analysis of current market conditions and interest rates. In 2025, the Company borrowed $15.0 million and subsequently repaid $15.0 million of its revolving credit facility. The Company is currently in compliance with its financial covenants.

NOTE 14—COMMITMENTS AND CONTINGENCIES

The Company is subject to contingencies which arise through the ordinary course of business. Management believes that all material liabilities of which it is aware are properly reflected in the financial statements at December 31, 2025 and 2024.

Martino & Partners Contingent Consideration

As of December 31, 2025, the Company has recorded a liability of EUR 0.3 million (USD 0.4 million), representing the estimated fair value of contingent consideration related to the acquisition of Martino & Partners, which was classified as non-current and included in other liabilities on the Consolidated Balance Sheets.

Ventana Research Contingent Consideration

On October 31, 2023, a subsidiary of the Company executed an Asset Purchase Agreement with Ventana Research, Inc. (“Ventana Research”) and consummated the acquisition of substantially all assets, and assumption of certain liabilities, of Ventana Research. The purchase price was comprised of $1.0 million of cash consideration paid at closing.

The Company paid $0.2 million in April 2024, which was related to 2023 performance. The Company no longer has a related liability as of December 31, 2025.

Change 4 Growth Contingent Consideration

On October 31, 2022, a subsidiary of the Company executed an Asset Purchase Agreement with Change 4 Growth, LLC (“Change 4 Growth”) and consummated the acquisition of substantially all the assets, and assumption of certain liabilities, of Change 4 Growth. The purchase price was comprised of $3.8 million of cash consideration and, $0.6 million of shares of ISG common stock issued promptly after

F-22

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

closing. Change 4 Growth also had the right to receive additional consideration paid via earn-out payments, if certain financial targets were met.

The Company paid $0.5 million in cash consideration in April 2025, which was related to the Company’s 2024 performance. The Company no longer has a related liability as of December 31, 2025.

Legal Reserves

From time to time, the Company is a party to litigation, claims and other contingencies, including regulatory and employee matters as well as examinations and investigations by governmental agencies, which arise in the ordinary course of business. The Company records a contingent liability when it is probable that a loss has been incurred and the amount of loss is reasonably estimable in accordance with ASC Topic 450, Contingencies, or other applicable accounting standards. Such reserves are included in accrued liabilities on the condensed consolidated balance sheets. Based on the information available at the present time, the Company is unable to predict the ultimate outcome of any litigation or claims. However, the Company intends to vigorously defend its legal position on all claims and, to the extent necessary, seek recovery.

NOTE 15—RELATED PARTY TRANSACTIONS

From time to time, the Company may have receivables and payables with employees and shareholders. The Company had no material outstanding receivables from related parties, including shareholders, at both December 31, 2025 and 2024, and no outstanding payables.

NOTE 16—INCOME TAXES

The components of income before income taxes for the years ended December 31, 2025 and 2024 consist of the following:


	Years Ended December 31,
	2025		2024
Domestic	$	8,774	$	5,438
Foreign		5,762		(211)
Total income before income taxes	$	14,536	$	5,227

F-23

Table of Contents

INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

The components of the 2025 and 2024 income tax provision are as follows:


	Years Ended December 31,
	2025		2024
Current:
Federal	$	894	$	944
State		429		412
Foreign		2,753		2,360
Total current provision		4,076		3,716
Deferred:
Federal		1,355		(489)
State		153		(49)
Foreign		(389)		(790)
Total deferred benefit		1,119		(1,328)
Total	$	5,195	$	2,388

The differences between the effective tax rates reflected in the total provision for income taxes and the U.S. federal statutory rate of 21% for each of the years ended December 31, 2025 and 2024 were as follows:


	Years Ended December 31,
	2025
Tax provision computed at 21%	$	3,053	21.0%
State income taxes, net of federal benefit		494	3.4%
Foreign tax effect
Germany
Foreign rate differential		247	1.7%
Other foreign jurisdictions		(123)	(0.8)%
Effects of cross-border tax laws
GILTI Inclusion		336	2.3%
FDII Deduction		(589)	(4.1)%
Change in valuation allowances		94	0.6%
Nontaxable or nondeductible items
Limitation on executive compensation		888	6.1%
Other		143	1.0%
Other		652	4.5%
Effective income tax rates	$	5,195	35.7%

State and local income tax expense was primarily attributable to Illinois, New York, Texas, California, and New Jersey, which together comprised more than 50% of total state and local tax expense for the period ended December 31, 2025.

F-24

Table of Contents

INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)


	Years Ended December 31,
	2024
Tax provision computed at 21%	$	1,098
Nondeductible expenses		575
State income taxes, net of federal benefit		292
Sale on business		(529)
Tax impact of foreign operations		665
Valuation allowances increase (release)		109
Excess tax benefit & other deferred adjustment		252
Other		(74)
Income tax provision	$	2,388
Effective income tax rates		45.7	%

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities were as follows:


	December 31,
	2025		2024
Noncurrent deferred tax asset
Compensation related expenses	$	2,810	$	2,893
Foreign currency translation		2,886		3,401
U.S. foreign tax credit carryovers		3,079		2,705
U.S. capital loss carryover		7,554		7,971
Foreign net operating loss carryovers		6,934		4,692
Accruals and reserves		656		1,254
Operating lease right-of-use assets		2,655		1,365
Other		224		509
Valuation allowance for deferred tax assets		(15,841)		(12,645)
Total noncurrent deferred tax asset		10,957		12,145
Noncurrent deferred tax liability
Depreciable assets		(919)		(124)
Prepaids		(73)		(89)
Intangible assets		(569)		(704)
Investment in foreign subsidiaries		(3,452)		(3,279)
Foreign earnings distribution taxes		(134)		(1,232)
Foreign intangibles and reserves		211		(178)
Operating lease liabilities		(2,575)		(1,292)
Total noncurrent deferred tax liability		(7,511)		(6,898)
Net noncurrent deferred tax assets		3,446		5,247
Net deferred tax assets	$	3,446	$	5,247

A valuation allowance was established at December 31, 2024 for the Company’s U.S. capital loss carryforward that was generated from the sale of the Company’s automation business in 2024. A valuation allowance was established at December 31, 2024 and 2023 due to estimates of future utilization of net operating loss carryovers in the U.S. and certain foreign jurisdictions, derived primarily from acquisitions and recorded through purchase accounting. The valuation allowance at December 31, 2024 and 2023 also includes a full valuation for the Company’s foreign tax credit carryovers and foreign taxes on certain controlled foreign corporations.

As of December 31, 2025, the Company had foreign net operating loss (NOL) carryforwards of approximately $27.4 million. If not utilized, these NOL carryforwards begin to expire in 2026. The Company also has a federal tax credit carryforward of approximately $3.1 million, which will begin to expire in 2027, if not utilized. As of December 31, 2025, the Company has a tax capital loss carryforward of $7.6 million as a result of the sale of the automation business. If not utilized, the carryforward will expire in 2029.

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Table of Contents

INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Uncertain tax positions

Benefits from tax positions should be recognized in the financial statements only when it is more likely than not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more likely than not recognition threshold is measured at the largest amount of benefit that is greater than fifty percent likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more likely than not recognition threshold should be recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more likely than not recognition threshold should be derecognized in the first subsequent financial reporting period in which that threshold is no longer met. It is the Company’s policy to accrue for interest and penalties related to its uncertain tax positions within income tax expense.

A tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period is as follows:


	December 31,
	2025		2024
Balance, beginning of year	$	1,777	$	1,751
Additions as a result of tax positions taken during the current period		33		26
Balance, end of year	$	1,810	$	1,777

We do not expect our unrecognized tax benefits to significantly change in the next twelve months.

The Company has recognized through income tax expense approximately $1.1 million of interest and penalties related to uncertain tax positions. The amount of unrecognized tax benefit, if recognized, that would impact the effective tax rate is $1.8 million. With few exceptions, the Company is no longer subject to U.S. federal, state, local or non-U.S. income tax examinations by tax authorities for years before 2017.

Net cash paid (refunds received) for income taxes are as follows:


	December 31,
	2025
Federal (National) (net of refunds received)	$	1,285
State & Local (net of refunds received)		243
Foreign (net of refunds received)
Germany		(1,021)
United Kingdom		391
India		667
France		(122)
Other foreign jurisdiction		(29)
Total	$	1,414

NOTE 17—STOCK-BASED COMPENSATION PLANS

The Amended and Restated 2007 Equity and Incentive Award Plan (the “Incentive Plan”) and Amended and Restated 2007 Employee Stock Purchase Plan (“ESPP” and collectively with the Incentive Plan, the “Plans”) were approved by the Company’s stockholders at our 2014 annual meeting, with subsequent amendments to the Plans being approved by the Company’s stockholders at our 2017, 2020 and 2025 annual meetings and a subsequent amendment to the ESPP being approved by the Company’s stockholders at our 2020 and 2025 annual meetings. Subject to the terms of the Incentive Plan, the Incentive Plan authorizes the grant of awards, which awards may be made in the form of (i) nonqualified stock options; (ii) stock options intended to qualify as incentive stock options under Section 422 of the Internal Revenue Code (stock options described in clause (i) and (ii), “options”); (iii) stock appreciation rights (“SARs”); (iv) restricted stock and/or restricted stock units; (v) other stock based awards; (vi) performance-based awards, which are equity awards or incentive awards intended to qualify for full tax deductibility by the company under Code Section 162 (m); and (vii) incentive awards, a cash-denominated award earnable by achievement of performance goals. The issuance of shares or the payment of cash upon the exercise

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

of an award or in consideration of the cancellation or termination of an award shall reduce the total number of shares available under the Incentive Plan, as applicable. The provisions of each award will vary based on the type of award granted and will be specified by the Compensation Committee of the Board of Directors. Those awards which are based on a specific contractual term will be granted with a term not to exceed ten years. The SARs granted under the Incentive Plan are granted with an exercise price equal to the fair market value of the Company’s common stock at the time the SARs are granted.

At the 2025 annual meeting, our stockholders approved (i) an amendment to the Incentive Plan to increase the number of shares of common stock available for issuance under such plan by 4,400,000 shares (the “Incentive Plan Amendment”) and (ii) an amendment to the ESPP to increase the number of shares of common stock available for issuance under the ESPP by 1,200,000 shares. As of December 31, 2025, there were 3,972,167 and 1,447,958 shares available for grant under the Incentive Plan and ESPP, respectively.

The Company recognized $7.8 million and $8.0 million in employee stock-based compensation expense during the years ended December 31, 2025 and 2024, respectively. This expense was recorded in selling, general and administrative in the Consolidated Statement of Income Comprehensive Income.

Restricted Share Awards/Units

The Incentive Plan provides for the granting of restricted share units (“RSUs”), the vesting of which is subject to conditions and limitations established at the time of the grant. Recipients of RSU awards will not have the rights of a shareholder of the Company until such date as the shares of common stock are issued or transferred to the recipient. If the employee retires (at the normal retirement age stated in the applicable retirement plan or applicable law, if there is a mandatory retirement age), the restricted shares continue to vest on the same schedule as if the employee remained employed with the Company. Upon a termination of employment due to an employee’s death or permanent disability, the restricted shares become 100% vested. Dividends accrue and will be paid if and when the restricted shares vest.

The Company has also granted RSUs to specific employees which have the following characteristics:

●Performance-Based RSU Vesting (Stock Price): Provided the employee continues to be employed through the specific date set forth in the award, the RSUs will vest on such date if specific financial performance conditions are met, otherwise the RSUs will be forfeited.

●Time-Based RSU Vesting: So long as the employee continues to be employed through the anniversary of the grant date, the RSUs will become 100% vested on such date.

If an employee’s employment is terminated (i) at any time during the vesting period due to the employee’s death, disability or retirement prior to the applicable vesting date or (ii) so long as the employee continues to be employed through the vesting dates detailed in the award agreement, the RSUs will become vested according to the agreement. However, no shares will be distributed until the applicable pro rata vesting date (and, in the case of the Performance-Based RSUs, only if and to the extent that the performance target is achieved). In all other terminations occurring prior to the applicable vesting date, the RSUs will expire. Pursuant to the terms of the Incentive Plan, in the event of a change in control, the Compensation Committee of the Board of Directors may accelerate vesting of the outstanding awards of RSUs then held by participants. All RSUs will be payable in shares of the Company’s common stock immediately upon vesting. As part of the Incentive Plan Amendment, dividends/dividend equivalents may be paid or credited on other stock-based awards (such as restricted stock units), but those dividends/dividend equivalents must be subject to the same vesting (or more stringent vesting) applicable to the underlying awards.

The fair value of RSUs is determined based on the closing price of the Company’s common stock on the grant date. The total fair value is amortized to expense on a straight-line basis over the vesting period and forfeitures are accounted for as they occur.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

A summary of the status of the Company’s RSUs issued under its Incentive Plan as of December 31, 2025, and changes during the years then ended, is presented below:


		Weighted-
		Average
	RSU	Grant Date
	(in thousands)	Fair Value
Non-vested at December 31, 2023	3,921	$	5.10
Granted	2,696	$	2.93
Vested	(1,501)	$	4.89
Forfeited	(429)	$	6.35
Non-vested at December 31, 2024	4,687	$	3.80
Granted	1,937	$	3.97
Vested	(1,894)	$	4.32
Forfeited	(261)	$	6.52
Non-vested at December 31, 2025	4,469	$	3.52

The total fair value of RSUs vested during the years ended December 31, 2025 and 2024 was $8.2 million and $7.3 million, respectively. As of December 31, 2025, there was $9.3 million of unrecognized compensation cost related to RSUs, which is expected to be recognized over a weighted-average period of 1.7 years. There were 5.4 million shares of common stock available for issuance at December 31, 2025 under the Incentive Plan.

Employee Stock Purchase Plan

The Company uses the Black-Scholes option pricing model to estimate the fair value of shares expected to be issued under the Company’s employee stock purchase plan. The ESPP provides that a total of 4.8 million shares of common stock is reserved for issuance under the plan. The ESPP, which is intended to qualify as an “employee stock purchase plan” under Section 423 of the Internal Revenue Code, is implemented utilizing three-month offerings with purchases occurring at three-month intervals. The ESPP administration is overseen by the Compensation Committee of the Company’s Board of Directors. Employees are eligible to participate if they are employed by the Company for at least 20 hours per week and more than five months in a calendar year. The ESPP permits eligible employees to purchase common stock through payroll deductions, ranging from one to ten percent of their eligible earnings subject to IRS regulated cap of $25,000. The price of common stock purchased under the ESPP is 90% of the fair market value of the common stock on the applicable purchase date. Employees may end their participation in an offering at any time during the offering period, and participation ends automatically upon termination of employment. The Compensation Committee may at any time amend or terminate the ESPP, except that no such amendment or termination may adversely affect shares previously granted under the ESPP. The Company may issue new shares for the ESPP using treasury shares or newly issued shares.

For the year ended December 31, 2025, the Company issued 149,779 shares for the ESPP. There were 1,447,958 shares available for purchase as of December 31, 2025 under the ESPP.

NOTE 18—SEGMENT AND GEOGRAPHICAL INFORMATION

The Company operates in one segment, fact-based sourcing Advisory Services. The Company operates principally in the Americas, Europe and Asia Pacific. The Company’s foreign operations are subject to local government regulations and to the economic and political uncertainties of those areas.

The Company Chief Operating Decision Maker ( the “CODM”) is our Chairman & Chief Executive Officer, Michael Connors. The CODM uses net income as presented on our Consolidated Statement of Income and Comprehensive Income in evaluating performance and determining how to allocate resources of the company as a whole.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

Geographical information for the segment is as follows:


	Year Ended
	December 31,
	2025		2024
Revenues
Americas⁽¹⁾	$	160,898	$	158,853
Europe⁽²⁾		65,507		67,730
Asia Pacific⁽³⁾		18,320		21,002
	$	244,725	$	247,585
Fixed assets
Americas	$	5,117	$	4,389
Europe		1,139		1,356
Asia Pacific		341		450
	$	6,597	$	6,195

⁽¹⁾	Substantially all relates to operations in the United States.

⁽²⁾	Includes revenues from operations in Germany of $25.9 million and $29.7 million in 2025 and 2024 respectively. Includes revenues from operations in the United Kingdom of $14.7 million and $16.9 million in 2025 and 2024, respectively.

⁽³⁾	Includes revenues from operations in Australia of $15.4 million and $18.1 million in 2025 and 2024, respectively.

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INFORMATION SERVICES GROUP, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(tabular amounts in thousands, except per share data)

The segregation of revenues by geographic region is based upon the location of the legal entity performing the services. The Company does not measure or monitor gross profit or operating income by geography or any other measure or metric, other than consolidated, for the purposes of making operating decisions or allocating resources.


	Year Ended
	December 31,
	2025		2024

Revenue	$	244,725	$	247,585
Less:
Compensation expense		159,215		162,245
Contract labor		19,499		19,601
Third-party costs		2,149		10,074
Travel and entertainment		10,140		8,915
Professional fees		7,115		6,536
Computer expense		4,648		5,023
Restructuring costs		2,310		4,887
Other segment expenses (1)		17,315		18,659
Depreciation and amortization		4,538		5,888
Interest income		(151)		(782)
Interest expense		4,067		5,837
Gain on the sale of business		(720)		(4,532)
Foreign currency translation		64		7
Income tax provision		5,195		2,388
Net income	$	9,341	$	2,839

⁽¹⁾Other segment expenses include communication, occupancy, marketing, stock-based compensation, acquisition- and-disposition and other overhead expenses.

NOTE 19—SUBSEQUENT EVENT

On March 3, 2026, the Company’s Board of Directors approved a first-quarter dividend of $0.045 per share, payable March 26, 2026, to shareholders of record as of March 20, 2026. The dividends are accounted for as a decrease to Stockholders’ Equity. All future dividends will be subject to the Board’s prior approval.

F-30

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EXHIBIT INDEX



Exhibit Number	Description
2.1	Purchase Agreement, dated as of April 24, 2007, as amended, by and between Registrant and MCP-TPI Holdings, LLC (previously filed as Annex A to the Registrant’s Definitive Proxy Statement filed with the SEC on October 17, 2007 (Commission File Number: 001-33287), and incorporated herein by reference).

2.2	Agreement for the Sale and Purchase of the Entire Issued Share Capital of CCGH Limited, dated as of January 4, 2011, between Registrant and the persons named therein (previously filed as Exhibit 2.1 to the Registrant’s Form 8-K filed with the SEC on January 4, 2011 (Commission File Number: 001-33287), and incorporated herein by reference).

2.3	Asset Purchase Agreement, dated as of February 10, 2011, among Registrant (for specific section only), Salvaggio & Teal Ltd. (d/b/a Salvaggio, Teal & Associates), Salvaggio & Teal II, LLC, Mitt Salvaggio, Kirk Teal, Nathan Frey, and International Consulting Acquisition Corp. (previously filed as Exhibit 2.1to the Registrant’s Form 8-K filed with the SEC on February 11, 2011 (Commission File Number: 001-33287), and incorporated herein by reference).

2.4	Agreement and Plan of Merger, dated as of December 1, 2016, by and among Alsbridge Holdings, Inc., ISG Information Services Group Americas, Inc., Gala Acquisition Sub, Inc., and LLR Equity Partners III, L.P., as representative of the equity holders (previously filed as Exhibit 2.1 to the Registrant’s Form 8-K filed with the SEC on December 2, 2016 (Commission File No. 001-33287), and incorporated herein by reference).
2.5†	Share Purchase Agreement, dated October 1, 2024, by and among ISG Information Services Group Americas, Inc., UST Global Inc and, solely for purposes of Section 10.16 of the Share Purchase Agreement (Guarantee), Information Services Group, Inc. (previously filed as Exhibit 2.1 to the Registrant’s Form 8-K filed with the SEC on October 2, 2024 (Commission File No. 001-33287), and incorporated herein by reference).

3.1	Fourth Amended and Restated Certificate of Incorporation of the Information Services Group, Inc. (previously filed as Exhibit 3.1 to Amendment No. 5 to the Registrant’s Registration Statement on Form S-1 filed with the SEC on January 29, 2007 (Commission File Number: 333-136536) and incorporated herein by reference).

3.2	Amended and Restated Bylaws of Information Services Group, Inc., dated as of May 13, 2013 (previously filed as Exhibit 3.1 to the Registrant’s Form 8-K filed with the SEC on May 15, 2013 (Commission File Number: 001-33287), and incorporated herein by reference).

3.3	Amendment to the Amended and Restated By-Laws, dated as of November 8, 2017 (previously filed as Exhibit 3.1 to the Registrant’s Form 8 K filed with the SEC on November 13, 2017 (Commission File Number: 001-33287), and incorporated herein by reference).

4.1	Specimen Common Stock Certificate (previously filed as Exhibit 4.2 to Amendment No. 3 to the Registrant’s Registration Statement on Form S-1 filed with the SEC on December 22, 2006 (Commission File Number: 333-136536) and incorporated herein by reference).

4.2	Description of the Securities of the Registrant (previously filed as Exhibit 4.2 to the Registrant’s Form 10-K filed with the SEC on March 11, 2020 (Commission File Number: 001-33287), and incorporated herein by reference)

10.1	Registration Rights Agreement between the Registrant and the existing Stockholders dated as of February 6, 2007 (previously filed as Exhibit 10.9 to Amendment No. 3 to the Registrant’s Registration Statement on Form S-1 filed with the SEC on December 22, 2006 (Commission File Number: 333-136536), and incorporated herein by reference).

10.2#	Form of Indemnification Agreement for Directors and Officers (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on November 13, 2017 (Commission File Number: 001-33287) and incorporated herein by reference).

10.3#	Amended and Restated 2007 Employee Stock Purchase Plan (previously filed as Annex B to the Registrant’s Definitive Proxy Statement filed with the SEC on March 14, 2025 (Commission File Number: 001-33287) and incorporated herein by reference).

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Exhibit Number	Description
10.5#	French Sub-Plan to the Amended and Restated Information Services Group, Inc. 2007 Equity and Incentive Award Plan (as amended by the 2025 amendment).

10.6#	Form of Restricted Unit Agreement for Directors (Time Based) (previously filed as Exhibit 10.5 to the Registrant’s Form 10-K filed with the SEC on March 10, 2023 (Commission File Number: 001-33287) and incorporated herein by reference).

10.7#	Form of Restricted Unit Agreement for Executives (Time Based) (previously filed as Exhibit 10.6 to the Registrant’s Form 10-K filed with the SEC on March 10, 2023 (Commission File Number: 001-33287) and incorporated herein by reference).

10.8#	Form of Restricted Stock Unit Agreement for Executives (Performance Based) (previously filed as Exhibit 10.7 to the Registrant’s Form 10-K filed with the SEC on March 10, 2023 (Commission File Number: 001-33287) and incorporated herein by reference).

10.9#	Form of Restricted Covenant Agreement (previously filed as Exhibit 10.3 to the Registrant’s Form 8-K filed with the SEC on September 29, 2009 (Commission File Number: 001-33287) and incorporated herein by reference).

10.10#	Change in Control Agreement dated as of January 7, 2011, between the Company and Michael P. Connors (previously filed as Exhibit 10.2 to the Registrant’s Form 8-K filed with the SEC on January 7, 2011 (Commission File Number: 001-33287) and incorporated herein by reference).

10.11#	Form of Change in Control Agreement for Officers (previously filed as Exhibit 10.15 to the Registrant’s Form 10-K filed with the SEC on March 15, 2012 (Commission File Number: 001-33287) and incorporated herein by reference).

10.12#	Employment Agreement for Michael P. Connors, dated December 16, 2011 (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on December 21, 2011 (Commission File Number: 001-33287), and incorporated herein by reference).

10.13#	Amendment No. 1, dated December 10, 2013, to Employment Agreement for Michael P. Connors previously filed as Exhibit 10.21 to the Registrant’s Form 10-K filed with the SEC on March 7, 2014 (Commission File Number: 001-33287), and incorporated herein by reference).

10.14	Securities Purchase Agreement, dated as of December 1, 2016, by and between Information Services Group, Inc. and Chevrillon & Associés SCA (previously filed as Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed on December 2, 2016 (Commission File Number. 001-33287), and incorporated herein by reference).

10.15#	Amendment No. 2, dated December 13, 2016, to Employment Agreement for Michael P. Connors (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on December 16, 2016 (Commission File Number: 001- 33287), and incorporated herein by reference).

10.16#	Employment Letter for Thomas Kucinski, dated May 15, 2017 (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on May 15, 2017 (Commission File Number: 001-33287), and incorporated herein by reference).

10.17#	Amendment No. 3, dated December 30, 2020, to Employment Agreement for Michael P. Connors (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on December 30, 2020 (Commission File Number: 001-33287), and incorporated herein by reference).


10.18	Third Amended and Restated Credit Agreement, dated as of February 22, 2023, among Information Services Group, Inc., various lenders and Bank of America, N.A., as Administrative Agent (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on February 23, 2023 (Commission File Number: 001-33287), and incorporated herein by reference).

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Exhibit Number	Description
10.19#	Employment Letter for Michael A. Sherrick, dated June 21, 2023 (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on June 23, 2023 (Commission File Number: 001-33287), and incorporated herein by reference).

10.20*	First Amendment Agreement, dated as of June 27, 2024, to the Third Amended and Restated Credit Agreement, by and among Information Services Group, Inc., the guarantors party thereto, the lenders party to the Third Amended and Restated Credit Agreement and Bank of America, N.A., as administrative agent, swingline lender and letter of credit issue (previously filed as Exhibit 10.19 to the Registrant’s Form 10-K filed with the SEC on March 13, 2025 (Commission File Number: 001-33287), and incorporated herein by reference).

10.21#	Amendment No. 4, dated January 1, 2025, to the Employment Agreement for Michael P. Connors (previously filed as Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on January 3, 2025 (Commission File Number: 001-33287), and incorporated herein by reference).

11.0*	Computation of Earnings Per Share (included in Consolidated Statement of Comprehensive Income to the Consolidated Financial Statements included in Part II—Item 8 herein).

14.0	Code of Ethics and Business Conduct for Directors, Officers and Employees (previously filed as Exhibit 14.1 to the Registrant’s Form 8-K filed with the SEC on August 7, 2012 (Commission File Number: 001-33287) and incorporated herein by reference).

19.1*	Information Services Group, Inc. Insider Trading Policy.

21.1*	Subsidiaries of the Company.

23.1*	Consent of Independent Registered Public Accounting Firm.

24.1*	Power of Attorney.

31.1*	Certification of Chief Executive Officer Pursuant to SEC Rule 13a-14(a)/15d-14(a).

31.2*	Certification of Chief Financial Officer Pursuant to SEC Rule 13a-14(a)/15d-14(a).

32.1*	Certification of Chief Executive Officer Pursuant to 18 U.S.C. §1350.

32.2*	Certification of Chief Financial Officer Pursuant to 18 U.S.C. §1350.

97.1	Information Services Group, Inc. Clawback Policy (previously filed as Exhibit 97.1 to the Registrant’s Form 10-K filed with the SEC on March 8, 2024 (Commission File Number: 001-33287), and incorporated herein by reference).

101*	The following financial statements from ISG’s Annual Report on Form 10-K for the year ended December 31, 2025, formatted in inline XBRL (Extensible Business Reporting Language); (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Income and Comprehensive Income, (iii) Consolidated Statements of Shareholders’ Equity, (iv) Consolidated Statements of Cash Flows and (v) the Notes to Consolidated Financial Statements.

104*	Cover Page formatted in Inline XBRL and contained in Exhibit 101 attachments.

* Filed herewith.

# Indicates Item 15(a)(3) exhibit (management contract or compensation plan or arrangement).

† Certain schedules and other similar attachments to this exhibit have been omitted from this filing pursuant to Item 601(a)(5) of Regulation S-K. The registrant will provide a copy of such omitted documents to the SEC upon request.

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SIGNATURES

Pursuant to the requirements of the Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Stamford, in the State of Connecticut on March 6, 2026.


	INFORMATION SERVICES GROUP, INC.

	By:	/s/ Michael P. Connors
		Michael P. Connors Chairman and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf and in the capacities and on the dates indicated.

HIDDEN_ROW
Name		Position	Date

/s/ Michael P. Connors Michael P. Connors		Chairman and Chief Executive Officer (Principal Executive Officer)	March 6, 2026


/s/ MICHAEL A. SHERRICK Michael A. Sherrick		Executive Vice President, Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)	March 6, 2026


*SAMUEL L. MOLINARO JR. Samuel L. Molinaro Jr.		Director	March 6, 2026


*Gerald S. Hobbs Gerald S. Hobbs		Director	March 6, 2026


*Kalpana Raina Kalpana Raina		Director	March 6, 2026


*Christine Putur Christine Putur		Director	March 6, 2026


*Bruce N. Pfau Bruce N. Pfau		Director	March 6, 2026


*By:	/s/ Michael P. Connors Michael P. Connors**

** By authority of the power of attorney filed as Exhibit 24.1 hereto

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INFORMATION SERVICES GROUP, INC.

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(in thousands)


	Balance at		Charges to		Balance at
	Beginning		Costs and	Additions/	End of
Description	of Period		Expenses	(Deductions)	Period
Year ended December 31, 2025
Allowance for doubtful accounts	$	5,047	921	(3,609)	$	2,359
Allowance for tax valuation	$	12,645	94	3,102	$	15,841
Year ended December 31, 2024
Allowance for doubtful accounts	$	5,288	1,163	(1,404)	$	5,047
Allowance for tax valuation	$	3,785	109	8,751	$	12,645

G-1

Information Services Group - 10-K annual report 2025

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