Omnicom Group
New York, NY, United States · Founded 1986
10001+ employees · OMC
Omnicom Group is an American multinational holding company specializing in media, marketing, and corporate communications.
Where they sit
Stack tier: Core Platforms (S)
Marketing AnalyticsMarketing AgencyProgrammatic Platform
One of the world's largest advertising and marketing holding companies, and following the 2025 acquisition of Interpublic Group, the largest by combined revenue and headcount
Ownership
Subsidiaries