Automatic Data Processing, Inc., also known as ADPยฎ, is a leading global technology company providing human capital management (HCM) solutions. With over 1.1 million clients, ADP is considered a leading provider of HR services such as talent, time management, benefits and payroll.
As of December 2025 Automatic Data Processing has a market cap of โน9.450 Trillion. This makes Automatic Data Processing the world's 193th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 4th, 2025 the market cap of Automatic Data Processing was reported to be: