Omnicom’s global leadership in marketing communications is fostered by the industry’s most innovative, collaborative and diverse talent. Together our people deliver big creative, competitive ideas based on actionable customer insights.

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September 28, 2022

Omnicom Named World’s Most Effective Agency Holding Company

Omnicom Group Inc. (  NYSE: OMC) has been recognized as the most effective marketing communications company in the world in the 2021 Global Effie Effectiveness Index.

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Q4 2021


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Chairman’s Letter

A letter from the Chairman and Chief Executive Officer

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