We looked at the top advertising agencies and marketing companies worldwide by revenue.

  • WPP – London, $16.9 billion. …
  • Omnicom Group – New York, $15 billion. …
  • Publicis Groupe – Paris, $12.3 billion. …
  • Accenture Interactive – Dublin, $10.3 billion. …
  • Interpublic Group of Cos. …
  • Dentsu Inc. …
  • Deloitte Digital – New York, $7.9 billion.
    What are the top 7 marketing agencies?