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Hill & Knowlton

Rebranded
Sourced & current · updated May 12, 2026

Hill & Knowlton was a major WPP PR agency dating to 1927. Merged with BCW on July 1, 2024 to form Burson. Hill & Knowlton brand retired post-merger.

Where they sit

Stack tier: Ecosystem Services (A)

Ownership

Parent: WPP plc

Competitors

Pre-call brief from ATDb — sourced from the live database, current as of May 12, 2026. Not a static screenshot.