The Big 4 Advertising Agencies: Who are They and What Do They Do?

Publicis Worldwide is the largest advertising agency in the Publicis Groupe network. With offices in more than 80 countries, this agency has provided exemplary services to renowned companies such as Cartier, Citi, Heineken, L'Oreal, Nestlé, P&G and more. These companies specialize in advertising, digital marketing, communications planning, media, public relations and specialized marketing. This is a list of notable advertising agencies and holding companies for advertising agencies, with the cities of their locations indicated. The Big Five Advertising Agencies, also known as WPP, Omnicom, Publicis, The Interpublic Group and Dentsu, have long held the title of the most influential agencies in the industry.

This was further solidified when Coca-Cola changed the work of its Sprite brand from Interpublic to a WPP-owned agency, citing a desire to not rely on a single advertising conglomerate. This fact sheet is to break down who are the 10 largest advertising agencies in the world by revenue; and also to provide information on the main factors and trends driving growth in the market. Advertising agencies create content in a variety of media including mobile and interactive communication, television, magazines, film and out-of-home advertising. Havas is the second largest advertising agency in France and operates in more than 100 countries around the world. It is one of the largest advertising and communication groups in the world.

In 1869, Francis Ayer founded the first full-service advertising agency in Philadelphia called N.Starting as an emerging advertising agency in London in the 1970s, Saatchi & Saatchi has grown to a global communication agency with 114 offices in 67 countries. Track and gain a competitive advantage by tracking what these top advertising agencies are doing on BizVibe. It's home to the largest and most complex advertising market in any nation, and it's the birthplace of almost every modern aspect of the advertising industry. Studies show that successful advertising agencies tend to have a shared sense of purpose with their customers through collaboration. Publicis Sapient is a young company founded in 1990 but it remains one of the world leaders in advertising.

And many media company executives worry about the concentration of purchasing power in the hands of so few advertising companies. All of this continues to blur the line between what is considered an agency and who is best suited to support your global marketing, advertising and digital initiatives.