WPP - Leaders in Advertising, Marketing & Media. GroupM is the world’s leading media investment company. We make advertising work better for people.

We are WPP’s media investment group, with a mission to shape a new era of media where advertising works better for people. Our agencies - Mindshare, Wavemaker, EssenceMediacom, and T&Pm - are the front door to the advertising industry’s most advanced media strategy, innovation, and activation capabilities.

GroupM is a U.S. based media investment group of the multinational Holding company WPP plc. GroupM is the world's largest media buying agency, as of 2023. [3] [4]

GroupM is WPP’s media investment group and the world’s leading media investment company with a mission to shape the next era of media where advertising works better for people. The company is responsible for more than $60 billion in annual media investment, as measured by the independent research bureau COMvergence.

GroupM is the world’s leading media investment company responsible for more than $63 billion in annual media investment through agencies including Mindshare, MediaCom, Wavemaker, Essence and m/Six, as well as the outcomes-driven programmatic audience company, Xaxis.

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May 30, 2015 · GroupM is WPP’s media investment group and the world’s leading media investment company with a mission to shape the next era of media where advertising works better for people.

GroupM’s media investments—guided by brand safety, leading privacy principles, and premium relationships—represent 1 out of 3 ads in the global marketplace. Through modern investment services, we put money against goals that move businesses forward.

Jan 7, 2025 · GroupM, the largest media buying agency by revenue, is shifting its business to focus on many big data sets instead of a single proprietary one, Brian Lesser told Axios in his first interview since being named global CEO last year. That strategy, which he calls "predictive performance," will anchor GroupM's client focus moving forward.

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