GroupM is a privately owned, U.S.-based company founded in 2003, with approximately 16,770 employees. The company functions as a media investment group within the multinational holding company WPP plc, specializing in advertising services.
On July 9, 2026, Alberto Merino joined WPP Media as Client Managing Director. Earlier the same day, WPP Media Australia & New Zealand successfully defended and extended its long-standing strategic relationship with L’Oréal Groupe, retaining the beauty and consumer goods company’s media and influencer marketing business after a competitive agency review. Previously, on July 8, 2026, Adam Shlachter of WPP Media noted at Cannes that creator content has evolved from unpolished material into sophisticated prime-time programming, transforming how brands approach storytelling partnerships. This followed WPP Media's collaboration with Cancer Research UK to develop advertiser-funded programming, which aimed to explain the complexities of cancer and research progress to the public, as reported on July 7, 2026.
GroupM's customers primarily consist of RTB and programmatic and media and TV services companies. Examples of GroupM's customers include Criteo and iWant. Examples of GroupM's suppliers include PubMatic, Magnite and Rakuten TV Enterprise.
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