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WPP Lost the Crown to Omnicom
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WPP Lost the Crown to Omnicom

WPP — the London-headquartered holding company that was the world's largest from the late 1980s through November 2025, when Omnicom-IPG took the top spot. Full profile of WPP's PR and public affairs footprint (Burson Global, Ogilvy, FGS), the 2009 recession inflection, and the 2026 Burson sale process.

EPR Editorial Team ·