Market capitalization of Omnicom Group (OMC)

Market cap: HK$198.38 Billion

As of January 2026 Omnicom Group has a market cap of HK$198.38 Billion. This makes Omnicom Group the world's 943th 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	HK$198.38 B	0.4%
2025	HK$197.60 B	49.83%
2024	HK$131.88 B	-1.38%
2023	HK$133.73 B	2.9%
2022	HK$129.96 B	7.02%
2021	HK$121.44 B	16.84%
2020	HK$103.94 B	-24.12%
2019	HK$136.98 B	6.68%
2018	HK$128.41 B	-2.11%
2017	HK$131.17 B	-15.74%
2016	HK$155.67 B	10.75%
2015	HK$140.56 B	-5.18%
2014	HK$148.24 B	-0.21%
2013	HK$148.55 B	46.42%
2012	HK$101.45 B	6.22%
2011	HK$95.52 B	-6.13%
2010	HK$101.75 B	8.7%
2009	HK$93.61 B	44.8%
2008	HK$64.65 B	-45.58%
2007	HK$118.81 B	-13.17%
2006	HK$136.83 B	16.28%
2005	HK$117.68 B	-4%
2004	HK$122.58 B	-4.9%
2003	HK$128.90 B	36.05%
2002	HK$94.74 B	-28.66%
2001	HK$132.81 B	11.62%
2000	HK$118.98 B	-13.71%
1999	HK$137.88 B	82.01%
1998	HK$75.75 B	42.31%
1997	HK$53.23 B	87.05%
1996	HK$28.46 B

End of Day market cap according to different sources

On Jan 14th, 2026 the market cap of Omnicom Group was reported to be:

HK$120.64 Billion

by Nasdaq

HK$198.38 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Interpublic Group IPG	HK$70.16 B	-64.63%	🇺🇸 USA
MDC Partners MDCA	HK$3.32 B	-98.33%	🇺🇸 USA
Clear Channel Outdoor CCO	HK$7.75 B	-96.09%	🇺🇸 USA
Lamar Advertising LAMR	HK$103.27 B	-47.94%	🇺🇸 USA
Alliance Data ADS	HK$22.12 B	-88.85%	🇺🇸 USA
eBay EBAY	HK$336.44 B	69.59%	🇺🇸 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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