Grey Global Group
| Company type | Subsidiary | 
|---|---|
| Industry | Advertising, marketing | 
| Founded | 1917 (as Grey Studios) | 
| Founders | Lawrence Valenstein Arthur C. Fatt | 
| Headquarters | , U.S. | 
| Area served | Worldwide | 
| Key people | James R. Heekin III (executive chairman) | 
| Services | Brand management, marketing strategy, creative development, direct marketing, public relations, public affairs, digital marketing, production | 
| Revenue | 1.307 billion USD (2003) | 
| Number of employees | 2,400 | 
| Parent | WPP plc | 
| Subsidiaries | Grey G2 GHG GCI Group MediaCom Worldwide Alliance G WHIZ WING Grey EMEA ArcTouch | 
| Website | www.grey.com | 
Grey Group is a global advertising and marketing agency with headquarters in New York City, and 432 offices in 96 countries, operating in 154 cities. It is organized into four geographical units: North America; Europe, Middle East and Africa, Asia-Pacific, and Latin America.
It is a unit of communications conglomerate WPP Group.