Omnicom Media launches Hearts United global agency

Omnicom Media has officially launched Hearts United, a new global media agency formed by merging its Hearts & Science and Mediahub networks. The new entity operates across 40 markets and manages approximately $9.1 billion in 2025 billings.

The merger combines the data-driven decision-making expertise of Hearts & Science with the creative media approach of Mediahub. The agency aims to assist brands in navigating a complex landscape involving AI, creators, and diverse digital platforms.

According to COMvergence data, Hearts United is debuting with strong market performance, ranking first in the US for year-to-date new business and third globally and in the EMEA region. The agency’s operating model focuses on being outcomes-oriented and utilizing AI to enhance human judgment and workflow capacity.