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Omnicom retakes global agency ranking after IPG acquisition closes
Omnicom has reclaimed the top global agency ranking for the first time since 2008, according to the Association of National Advertisers’ 2025 revenue table. The result follows the closing of its acquisition of Interpublic Group and raises questions about how holding companies will compete—and how many agency brands may survive.
Why it matters: Marketers working with agencies may face changes in ownership, account structures, capabilities, pricing, talent and relationship management as the combined holding company integrates. The broader deal also signals continuing consolidation that could reshape agency choice and competitive dynamics, although the supplied evidence does not yet establish the full operational impact.

