Hill & Knowlton
| Company type | Private | 
|---|---|
| Industry | Public Relations Marketing services | 
| Founded | 1927, in Cleveland, Ohio, U.S. | 
| Founder | John W. Hill | 
| Headquarters | , U.S. | 
| Number of locations | Over 80 offices (2023) | 
| Area served | Worldwide | 
| Key people | Kelli Parsons (CEO) | 
| Services | Marketing communications Corporate communication Digital marketing Full list of services | 
| Parent | WPP Group | 
| Website | www | 
Hill & Knowlton is an American global public relations consulting company, headquartered in New York City. The firm has over 80 additional offices in more than 40 countries. The company was founded in Cleveland, in 1927 by John W. Hill and is now owned by the WPP Group and operates under the brand Burson.