Omnicom Group (OMC) - Market capitalization

Market cap: C$34.89 Billion

As of January 2026 Omnicom Group has a market cap of C$34.89 Billion. This makes Omnicom Group the world's 952th 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.

Market cap history of Omnicom Group from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	C$34.89 B	0.34%
2025	C$34.77 B	42.68%
2024	C$24.37 B	7.33%
2023	C$22.71 B	0.62%
2022	C$22.57 B	13.72%
2021	C$19.84 B	16.1%
2020	C$17.09 B	-25.58%
2019	C$22.97 B	2.84%
2018	C$22.33 B	5.82%
2017	C$21.10 B	-21.76%
2016	C$26.97 B	7.24%
2015	C$25.15 B	13.43%
2014	C$22.17 B	8.76%
2013	C$20.39 B	56.68%
2012	C$13.01 B	4.05%
2011	C$12.50 B	-4.29%
2010	C$13.07 B	2.89%
2009	C$12.70 B	24.88%
2008	C$10.17 B	-33.08%
2007	C$15.20 B	-25.79%
2006	C$20.48 B	15.92%
2005	C$17.67 B	-6.73%
2004	C$18.94 B	-12.17%
2003	C$21.57 B	12.43%
2002	C$19.18 B	-29.28%
2001	C$27.13 B	18.72%
2000	C$22.85 B	-10.72%
1999	C$25.59 B	70.27%
1998	C$15.03 B	53.17%
1997	C$9.81 B	94.75%
1996	C$5.03 B

End of Day market cap according to different sources

On Jan 8th, 2026 the market cap of Omnicom Group was reported to be:

C$21.13 Billion

by Nasdaq

C$34.77 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Interpublic Group IPG	C$12.51 B	-64.14%	🇺🇸 USA
MDC Partners MDCA	C$0.59 B	-98.30%	🇺🇸 USA
Clear Channel Outdoor CCO	C$1.42 B	-95.92%	🇺🇸 USA
Lamar Advertising LAMR	C$18.22 B	-47.77%	🇺🇸 USA
Alliance Data ADS	C$3.94 B	-88.69%	🇺🇸 USA
eBay EBAY	C$57.77 B	65.55%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Omnicom Group (OMC)

Market cap: C$34.89 Billion