GroupM is the management arm of WPP Group's media agencies, including such brands as Mindshare, MEC, MediaCom and Maxus.
We are the leading media investment network in the world and the stewards of nearly one-third of all global ad spending.
Our clients are leaders in their respective industries and represent more than 330 of the Fortune Global 500, more than half of the NASDAQ 100 and more than 30 of the Fortune e-50.
As an elite provider of communication services, our culture is built on fostering innovation and best practices to help our clients maximize their marketing and media objectives.