Omnicom merges Mediahub and Hearts & Science
merger
Omnicom is merging media agencies Mediahub and Hearts & Science globally into a combined network (~$9B in 2025 billings), led by Hearts & Science CEO Garrett O'Reilly; the new brand name is expected August 2026. Australian operations remain separate. Announced 2026-07-20.
Last updated Jul 24, 2026 by the ATDb Editorial Team · Connections updated Jul 24, 2026
Overview
Omnicom is merging media agencies Mediahub and Hearts & Science globally into a combined network (~$9B in 2025 billings), led by Hearts & Science CEO Garrett O'Reilly; the new brand name is expected August 2026. Australian operations remain separate. Announced 2026-07-20.
Deal details
- Acquirer
- Hearts & Science
- Target
- Mediahub
Deal terms
- Status
- Announced
Source
Connection details