They are all in the communications & media industry.
At the very end of this section is a short description of what each company does.
April 2002 - present
Omnicom Media Group Europe
Link to Omnicom Media Group website
1999 - Nov 2001
24/7 Media Europe
Link to 24/7 Real Media website
April 1993 to 1999
Saatchi & Saatchi Europe Link to Saatchi & Saatchi website
August 1988 to April 1993
Arthur Andersen London
Detailed summary of companies :
Omnicom Media Group Europe
24/7 Media Europe
Saatchi & Saatchi Europe