Omnicom-IPG closed in late 2025. Weber Shandwick — the largest PR network in the world — is now part of the largest holding company. What changes for clients, for Edelman, for the rest of the holding-company landscape, and for the global PR industry over the next 18 months.
WPP, Omnicom-IPG, Publicis, Havas. AI workflow absorption, in-house brand consolidation, consultancy roll-ups. The three pressures restructuring the holding company business model.
Cannes Lions 2026 opens June 22. The Croisette is reshuffled, the PR Lions jury is stacked, the integrity rules are tighter — and every network is showing up with the same pitch.
DeVries Global is a New York-based public relations agency focused on beauty, health and wellness, consumer brands, social and digital influence, and influencer marketing. Founded approximately 35 years ago by Henry DeVries. Global micro-network across NYC, Beijing, Singapore, and London. Part of Omnicom PR since November 2025.
Zimmerman Advertising is one of the largest full-service marketing and communications agencies in the U.S. Founded 1984 in Fort Lauderdale by Jordan Zimmerman, acquired by Omnicom in 1999. Known for the proprietary "Brandtailing" methodology integrating brand-building and retail direct-response. Notable work with CARFAX, Papa John's, Nissan dealer associations, AT&T Wireless.
Porter Novelli, founded 1972 by Bill Novelli and Jack Porter, is being integrated into FleishmanHillard as a dedicated brand following Omnicom's February 2026 PR portfolio restructuring. Former CEO Jillian Janaczek transitions to FleishmanHillard Americas CEO.
Weber Shandwick is one of the largest global PR networks. Founded January 2001 in New York, now part of Omnicom Public Relations Group after the November 26, 2025 IPG acquisition. CEO Susan Howe retires September 2026; Karen Pugliese succeeds. Confirmed unaffected by the February 2026 OPRG restructuring.
The decade-long arc of Omnicom Public Relations Group — from the 2016 Van Bergen integration to the 2025 IPG acquisition and 2026 portfolio restructuring.
The 102-year-old PR brand is being folded into Golin under Matt Neale. Omnicom's post-IPG cleanup is rewriting the industry map.
Omnicom closed its mega-merger with IPG on November 26, 2025, creating the largest holding company in agency history. The deal of the decade. Whether it becomes the integration of the decade is the open question for the next 24 months.