With a market capitalization (market cap) of $23.68B — a measure of how much the company is worth — Omnicom Group Inc. is the 553rd most valuable company in Communication Services as of August 18, 2026. Shares trade at $86.31, up +0.99% on the day.
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Omnicom Group Inc., through its network of subsidiaries, stands as a premier global provider of comprehensive advertising, marketing, and corporate communications solutions. The company's core expertise extends across pivotal areas such as traditional and digital advertising, customer relationship management (CRM), public relations, and specialized healthcare communications. Its extensive service portfolio delivers a wide array of strategic and creative solutions. These offerings include branding, content creation, corporate social responsibility consulting, crisis management, data analytics, digital transformation, entertainment and experiential marketing, financial/corporate business-to-business advertising, graphic design, investor relations, media planning and purchasing, mobile and social media marketing, and package design. Additionally, Omnicom provides product placement, promotional marketing, public affairs, retail marketing, sales support, search engine optimization (SEO), shopper marketing, and diverse interactive and direct marketing initiatives, offering clients a complete suite of communication strategies. The company boasts a significant international footprint, conducting operations throughout the United States, Canada, Puerto Rico, South America, Mexico, Europe, the Middle East, Africa, Australia, Greater China, India, Japan, Korea, New Zealand, Singapore, and various other Asian nations. Established in 1944, Omnicom Group Inc. is headquartered in New York, New York.
Visit websiteAs of August 18, 2026, Omnicom Group Inc. (OMC) is worth $23.68B — this is its market capitalization, the total value of all its outstanding shares.
Omnicom Group Inc.’s market cap is $23.68B, which ranks it #553 among the most valuable companies in the Communication Services sector tracked on MarketCapLens.
Omnicom Group Inc. (OMC) shares trade at $86.31, up 0.99% on the day, as of August 18, 2026.
Fundamentals are annual. Figures labeled with their fiscal year.
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