GroupM Closes 2019 With Billings Surpassing $50 Billion For The First Time According To COMVergence
Raluca Dumitrescu2022-05-24T11:30:48+01:00Dec 18, 2019 - GroupM will close 2019 with more than $50B in annual billings for the first time, and three GroupM agencies in the top five of global media agency networks based on billings, according to COMvergence’s projection.