Hill+Knowlton Strategies is a New York City-based public relations company founded in 1927 by John W. Hill.
Hill+Knowlton Strategies is a company in the public relations industry. It was founded by John W. Hill and operates as a joint-stock company. The company's headquarters is located in Berlin, Germany. Hill+Knowlton Strategies is a subsidiary of WPP plc, a multinational communications company.