Brunswick, APCO, Prosek Partners, Golin Ketchum and WPP made the biggest PR agency moves from October 1 to 12, 2026. Nine moves, with dates and what each one means for clients.
Omnicom Public Relations Group (OPRG) is the PR subsidiary of Omnicom Group (NYSE: OMC), the world's largest marketing and communications holding company. Led by CEO Chris Foster. Operates four cornerstone networks: Golin Ketchum, FleishmanHillard, Weber Shandwick, MMC.
Omnicom Group (NYSE: OMC) is the world's largest marketing and communications holding company after its November 2025 IPG acquisition. Its full portfolio: advertising (BBDO, DDB, TBWA), media (OMD, PHD), commerce (Flywheel), and the OPRG PR subsidiary.
