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Omnicom Group Inc. (OMC) is a commercial services company in the additional promotional operations industry, based in New York, United States, with about 120,000 full-time employees.
United States was its largest region in fiscal year 2025, with 53% of revenue. Its market capitalization was $21.80 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2024; market data as of October 9, 2026.
, together with its subsidiaries, offers advertising, marketing, and corporate communications services. It provides a range of services in the areas of media and advertising, precision marketing, public relations, healthcare, branding and retail commerce, experiential, execution, and support.
United States: 53% of revenue by region in fiscal year 2025, followed by Europe (28%).
$21.80 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (additional promotional operations) include WPP plc (WPP), Stagwell Inc. (STGW), SharpLink Gaming, Inc. (SBET), Opera Limited (OPRA).