UM Worldwide

New York, NY, United States · Founded 1999

5001-10000 employees

Sourced & current · updated May 28, 2026

UM Worldwide is a global media agency network that combines data-driven insights with human intelligence to deliver integrated media planning, buying, and performance optimization for major brands.

Where they sit

Attribution & AnalyticsMarketing AgencyProgrammatic Platform

Top-5 global media agency network by billings, operating under IPG Mediabrands with presence in 100+ countries

Ownership

Parent: Omnicom Media Group