May 23, 2023 — Mediapost — GroupM’s Wavemaker is the top-ranked global media agency network in net new business for the first quarter of the year, according to an assessment by agency research firm COMvergence. (The net figures factor in wins, retentions and losses).

The agency generated net new business value (annualized billings) of $802 million, including $564 million in retentions (Huawei China and Adobe U.S. among them) and new account wins totaling $317 million. Losses totaled $79 million.


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