
WPP's PR Empire: From Burson-Marsteller and Hill & Knowlton to the Modern Holding Company
On April 13, 2026, WPP confirmed it hired Goldman Sachs to explore a sale of Burson \u2014 the merged agency from Hill & Knowlton and BCW. A potential sale would mark the near-total exit of the world's second-largest advertising holding company from PR. The full arc of WPP's PR empire \u2014 built, consolidated, dismantled.



