Omnicom Group (OMC) - Market capitalization

Market cap: S$30.20 Billion

As of December 2025 Omnicom Group has a market cap of S$30.20 Billion. This makes Omnicom Group the world's 983th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	S$30.20 B	30.79%
2024	S$23.09 B	2.1%
2023	S$22.61 B	1.42%
2022	S$22.29 B	5.91%
2021	S$21.05 B	18.7%
2020	S$17.73 B	-25.2%
2019	S$23.71 B	5.85%
2018	S$22.40 B	-0.24%
2017	S$22.45 B	-22.71%
2016	S$29.05 B	13.26%
2015	S$25.65 B	1.58%
2014	S$25.25 B	4.04%
2013	S$24.27 B	51.63%
2012	S$16.00 B	0.5%
2011	S$15.92 B	-5.44%
2010	S$16.84 B	-0.63%
2009	S$16.95 B	41.66%
2008	S$11.96 B	-45.43%
2007	S$21.92 B	-18.72%
2006	S$26.97 B	6.75%
2005	S$25.27 B	-1.8%
2004	S$25.73 B	-8.92%
2003	S$28.25 B	34.03%
2002	S$21.08 B	-33.14%
2001	S$31.53 B	19.25%
2000	S$26.44 B	-10.53%
1999	S$29.55 B	83.05%
1998	S$16.14 B	39.39%
1997	S$11.58 B	124.91%
1996	S$5.14 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Omnicom Group was reported to be:

S$18.36 Billion

by Nasdaq

S$30.20 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Interpublic Group IPG	S$11.66 B	-61.39%	🇺🇸 USA
MDC Partners MDCA	S$0.55 B	-98.17%	🇺🇸 USA
Clear Channel Outdoor CCO	S$1.28 B	-95.75%	🇺🇸 USA
Lamar Advertising LAMR	S$17.43 B	-42.26%	🇺🇸 USA
Alliance Data ADS	S$3.67 B	-87.83%	🇺🇸 USA
eBay EBAY	S$48.84 B	61.72%	🇺🇸 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: S$30.20 Billion