The 2025 Global Agency Benchmarking Report Highlights New Entrants, Big Consolidations and the Cost of Scale for B2B Marketers

BURR RIDGE, Ill. , Aug. 27, 2025 /PRNewswire/ -- The annually published Global Agencies Benchmarking Report, produced by B2B Marketing, offers insights from revenue and staffing trends to strategic growth dynamics, featuring a ranked list of the highest-grossing agencies worldwide. This year's report has revealed seismic shifts in the agency landscape, driven by private equity investment and holding company acquisitions.

The result is a widening gap between giant global networks and smaller boutique firms, meaning less choice for global B2B brands looking for agency support. This year's rankings reflect more than just revenue shifts — they signal a dramatic

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