June 13, 2022 – MediaPost (USA) — Omnicom’s OMD was the top-ranked U.S. media agency by billings in 2021 according to a new report from agency research firm COMvergence. The report also found that Publicis Media was the top group in the U.S.
According to the COMvergence report OMD retained its top-ranking last year with $9.6 billion in total billings, up 3.6% versus 2020.