The lawsuit between former GroupM executive Richard Foster and WPP is full of competing allegations. But buried in the court filings is a set of numbers — drawn largely from GroupM’s own internal documents — that tell a story worth understanding on its own terms.
Here’s what the data actually shows, broken down by what it refers to.
How big GroupM was (and how it allegedly made money)
At its peak, GroupM controlled roughly $60 billion in annual client advertising spend, giving it between 20% and 50% market share in key global markets. That scale was the source of its power: the more client money it aggregated, the better the deals it could extract from media vendors.
Continue reading this article on digiday.com. Sign up for Digiday newsletters to get the latest on media, marketing and the future of TV.