A new filing in a lawsuit from a fired WPP executive alleges that Sony, one of the ad giant’s major partners, investigated the company and concluded it had improperly withheld rebates from clients.
The lawsuit says that Sony presented the findings of its investigation to WPP in 2025 in a detailed analysis that said the ad agency giant operated what Sony called a “global crime scheme” across several markets, including China.
The allegations have high stakes for WPP, which handles tens of billions of dollars in ad spending for some of the world’s largest companies. At its core, the lawsuit alleges WPP put its own interests ahead of its clients’…
