Mars Consolidates $1.4 Billion Global Media Business With WPP’s GroupM

Publicis, Omnicom lose business in review

The company has been shrinking its agency roster for several years. Getty Images

CPG conglomerate Mars has concluded a large-scale review launched earlier this year by consolidating all of its media planning and buying duties with WPP’s GroupM network, multiple sources close to the matter confirmed this morning.

@PatrickCoffee Patrick Coffee is a senior editor for Adweek.