GroupM Agencies Dominated in COMvergence’s Latest Report
COMvergence: GLOBAL NEW BUSINESS BAROMETER FOR Q1 – Q3 2020 REVEALS TOP MEDIA AGENCY WINNERS GroupM and Its Three Largest Media Agency Networks Dominate in Latest Raport by COMvergence November 23, 2020 According to the latest global media agency study “New Business Barometer for Q1-Q3 2020” published by COMvergence, Wavemaker came out as the top […]