Top Ten Advertising Agencies in the World

WPP is a world leader in advertising and marketing services. ... Group intranet; Search Go. ... WPP is the world leader in communications services

New York, April 21, 2015 Omnicom Group Inc. (NYSE: OMC) today announced that its net income for the first quarter of 2015 increased $3.6 million, or 1.8%, to $209.1 million from $205.5 million in the first quarter of 2014.

Publicis Groupe is a French multinational advertising and public relations company, and is the oldest and one of the largest marketing and communications companies in the world, by revenue, headquartered in Paris.

Interpublic Group is a global leader in modern marketing solutions. With offices in all major world markets, our companies specialize in consumer advertising, digital marketing, communications planning and media buying, public relations and specialty marketing.

Dentsu says it controlled 25% of 2014 ad spending in Japan, the world's third-largest ad market; that's about 80% bigger than Hakuhodo, at No. 2. If Mt. Fuji is one emblem of Dentsu, another is its Tokyo headquarters, designed by Jean Nouvel.