Many of the internet companies in Düsseldorf have their roots in the world of advertising: there are 400 advertising agencies in Düsseldorf, among them three of the largest in Germany: BBDO Group, Grey Global Group and Publicis. A number of affiliates of foreign agencies deserve mention as well, such as Ogilvy & Mather, Dentsu, Hakuhodo, TBWA, and DDB. There are also about 200 publishing houses in Düsseldorf.
Many of the internet companies in Düsseldo:rf have th?eir roots in the world of advertisin,g: there are 400 advertising agencies in Düsseldorf, among them three of the largest in Germany: BBDO Group, Grey Global Group and Publicis. A number of affiliates of foreign agencies deserve mention as well, such as Ogilvy & Mather, Dentsu, Hakuhodo, TBWA, and: DDB. There are also about 200 publishing hou,ses in Düsseldorf.