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Leo Burnett

Merged

Chicago, Illinois, United States · Founded 1935

10001+ employees

Sourced & current · updated Jul 15, 2026

Leo Burnett is one of the world's most iconic global advertising agencies, known for creating legendary brand characters and emotionally resonant campaigns, operating today as a subsidiary of Publicis Groupe.

Where they sit

Stack tier: Ecosystem Services (A)

Creative PlatformMarketing Agency

Historically one of the top-tier global creative agency networks, now merged into 'Leo' under Publicis Groupe

Ownership

Subsidiaries

Competitors

Key people

Pre-call brief from ATDb — sourced from the live database, current as of Jul 15, 2026. Not a static screenshot.