List of advertising agencies

Main article: Advertising agency

Biggest companies as at July 2013

• 1. WPP Group, London $15.6 billion
• 2. Omnicom Group, New York City $14.3 billion
• 3. Publicis Groupe, Paris $7.7 billion
• 4. Interpublic Group, New York City $6.693 billion
• 5. Dentsu, Tokyo $3.1 billion
• 6. Havas, Suresnes, France 1.77 billion euros
• 7. Hakuhodo DY Holdings, Tokyo 1.2 trillion yen
• 8. Merkle, Lanham, Maryland, $300 million
• 9. Global Experience Specialists, subsidiary of Viad, $249.3 million
• 10. Epsilon, subsidiary of Alliance Data

Others

This is a list of notable advertising agencies and holding companies for advertising agencies, with their headquarters cities indicated.

Africa

• Ogilvy Africa, South Africa

Asia

• Asatsu-DK, Japan
• Cheil Worldwide, Seoul
• Digital Jungle, Beijing
• Innocean Worldwide, Seoul

Europe

• 365 Media, Iceland
• Aegis Group, London
• Arroba, Spain
• Bartle Bogle Hegarty, London
• Chime Communications plc, London
• M&C Saatchi, London
• Stuart Hirst Limited, Leeds, UK

North America

• aQuantive, Seattle
• Aspen Marketing Services, West Chicago, Illinois
• Axis41, Salt Lake City, Utah
• BBDO, New York City
• Cossette Communication Group, Quebec City
• Cramer-Krasselt, Chicago
• DDB, New York City
• Deutsch Inc., New York City
• Digitas, Boston, Massachusetts
• Foote, Cone & Belding, Chicago, Illinois
• Grey Advertising, New York City
• GSD&M, Austin, Texas
• Google, Mountain View, California
• JWT, New York City
• Leo Burnett, Chicago, Illinois
• mcgarrybowen, New York City
• MDC Partners, Toronto/New York City
• Monster Worldwide, New York City
• Phenomblue, Omaha, Nebraska
• R/GA, New York City
• Richards Group, Dallas
• RPA, Santa Monica
• Sapient, Cambridge, Massachusetts
• Somnio, Austin, TX
• Sonic Boom, Montreal / Toronto / London
• WB Doner & Company, Southfield, Michigan
• Wieden+Kennedy, Portland, Oregon
• Tamul inc., Tanzania, Arusha