UM (Universal McCann)
New York, NY, United States · Founded 1999
5001-10000 employees
UM operates as a borderless global media agency network across 100+ markets and 120+ offices, with more than 3,000 employees worldwide.
Where they sit
Stack tier: Ecosystem Services (A)
Attribution & AnalyticsMarketing AgencyProgrammatic Platform
One of the world's largest media agency networks, now operating within Omnicom Media Group alongside OMD, PHD, Initiative, Hearts & Science, and Mediahub following the Omnicom-IPG merger closed in late 2025.
Ownership
Parent: Omnicom Media