Omnicom Media launches Hearts United from Hearts & Science and Mediahub merger
Omnicom Media launched Hearts United, a global media agency merging Hearts & Science and Mediahub, with $9.1B in 2025 billings. Led by Nicole Estebanell (US) and Ross Jenkins (EMEA), it aims to leverage AI and client growth focus. Omnicom Media reports $4.1B in new client billings in 2026, including wins from Adidas and IBM.
How this was made

The 30-second read
Why it matters
The creation of Hearts United signals Omnicom's push for scale and technology integration, potentially improving client acquisition and retention.
Market read
First‑time announcement of a major internal merger within a leading advertising conglomerate, relevant for media sector investors.
What to watch
Integration costs and cultural alignment challenges may offset anticipated synergies.
Background
Omnicom Media, a division of Omnicom Group, combined two of its agencies to form Hearts United, aiming to enhance AI‑driven media planning.
Ticker impact
Omnicom Media announced the launch of Hearts United, merging Hearts & Science and Mediahub into a new $9.1B‑billings agency.
Modest upside if integration drives higher billings; limited near‑term price move.
The merger is a first‑time disclosure but involves internal units; scale is sizable but no immediate financial impact disclosed.
Market effects
Consolidation may pressure competing media agencies to consider similar integrations.
US and EMEA markets see a new agency footprint across 40 markets.
Highlights Omnicom's strategy to leverage AI and data‑driven media services globally.
Counterpoint
The merger could distract from core client execution, risking short‑term performance.
Key entities
- CompanyOmnicom Group Inc.
Parent holding company of Omnicom Media.
- AgencyHearts United
New global media agency formed from Hearts & Science and Mediahub.


