Is WPP the World's Largest Advertising Agency?

WPP is the world's biggest advertising firm by revenue, employing around 190,000 people in 3,000 offices in 112 countries.

The Interpublic Group of Companies

, a publicly traded American advertising company, takes fourth place on this list of the 10 largest advertising agencies in the world. The shift of money from advertising to digital, including email marketing, social media and programmatic ads, is giving rise to high-growth digital marketing agencies; however, there are still many traditional creative and advertising agencies that adapt to the digitally focused landscape. Advertising agencies work with their clients to design and initiate advertising campaigns, using media such as online advertising, television and radio advertising, mobile marketing, out-of-home advertising (such as billboards) and more. Dentsu is Japan's largest advertising agency and, together with its biggest competitor, Hakuhodo, is more than 120 years old, making it one of the oldest advertising agencies in the world.

Rounding out BizVibe's list of the 10 largest advertising agencies in the world is Publicis Sapient, a digital business transformation company. The companies you'll find on this list are, for the most part, not independent advertising companies. In 1985, Martin Sorrell and Preston Rabl bought a majority stake in search of a listed company through which to build a global marketing services company.


, Omnicom, Publicis, The Interpublic Group and Dentsu have long held the title of the “Big Five Advertising Agencies”, a title that still stands. At number three is the largest French advertising company, Publicis Groupe or Publics Group, based in Paris.

The Japanese advertising agency offers services including marketing, public relations, digital, media, content, promotions and global business. He has a reputation for cutting-edge creativity in his services and has long been a member of the “Big Five Advertising Agencies”.In sixth place on this list of the 10 largest advertising agencies in the world is Hakuhodo, a Japanese advertising and public relations company. Track and gain a competitive advantage by tracking what these top advertising agencies are doing on BizVibe. Publicis Groupe is a French multinational advertising and public relations company, and is the oldest marketing and communication company and one of the largest in the world, by revenue, based in Paris.

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