Omnicom Group Inc.OMC
Communication Services · Media & Entertainment · NYSE · United States · omc.com
Omnicom Group Inc. is one of the world's largest global advertising, marketing, and corporate communications companies, providing services in advertising, media planning and buying, precision marketing, public relations, healthcare communications, and branding. The company operates through a network of agencies in more than 70 countries, with over half its revenue generated in North America. Following its 2025 acquisition of Interpublic Group, Omnicom became the largest advertising holding company globally.
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