New global media agency Hearts United launches, leading in new business across 40 markets.

Omnicom Media has launched Hearts United, a new global media agency formed by merging its Hearts & Science and Mediahub networks. Operating in 40 markets with $9.1 billion in 2025 billings, the agency combines data-driven insights and creative media strategies to help brands grow in a complex media landscape involving platforms, creators, and AI. Hearts United leads new business wins in the US and ranks highly globally and in EMEA, reflecting strong growth momentum. The agency emphasizes outcomes, AI integration, ecosystem planning, and senior-led teams to deliver client growth and innovation.