Connecting media, content and commerce, OMG added $2.5 billion in incremental billings, while also retaining 98% of existing clients

OMG agencies OMD and PHD ranked #1 and #2 global, North American and USA networks

NEW YORK, March 23, 2023 /PRNewswire/ -- Omnicom Media Group (OMG), the media services division of Omnicom Group Inc. (NYSE: OMC)...