Mediahub
MergedBoston, Massachusetts, United States · Founded 2005
501-1000 employees
Mediahub was a media agency network that came to Omnicom with the Interpublic acquisition in November 2025. In August 2026 Omnicom Media combined it with Hearts & Science to form Hearts United; Mediahub Australia continues to operate as a separate agency.
Where they sit
Stack tier: Infrastructure & Data (B)
Influencer MarketingMarketing Agency
Mid-sized challenger media agency within a major holding company network; merged into Hearts United (Omnicom Media) in 2026