Omnicom has closed its acquisition of rival Interpublic in an all-stock deal reshaping the advertising and marketing sectors and creating the world's largest advertising firm.
ReadingThis closes the chapter on the multi-holding-company model as a growth strategy. Clients with media budgets above $500M will now negotiate with a single entity controlling creative, media, and tech infrastructure across every geography.
WatchWhether Publicis or WPP moves to counter-consolidate in the next 18 months. A fortress strategy often precedes one.