What are Agency Holding Companies?

Agency Holding Companies is an industry term used to describe the parent Advertising Agency companies that own smaller advertising agencies. The top Advertising Agency Holding Companies around the world include;

Dentsu
Dentsu Inc is a Japanese international advertising and public relations joint stock company headquartered in Tokyo.

Havas
Havas SA is a French multinational advertising and public relations company, headquartered in Paris, France. It operates in more than 100 countries and is one of the largest global advertising and communications groups in the world.

Interpublic Group of Companies
The Interpublic Group of Companies, Inc. (IPG) is an American publicly traded advertising company, headquartered in New York City.

Omnicom Group
Omnicom Group Inc. is an American global media, marketing and corporate communications holding company, headquartered in New York City.

Publicis Groupe
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.

WPP Group
WPP is a British multinational advertising and public relations company with its main management office in London, England, and its executive office in Dublin, Ireland.