Advertising Services Companies

Confidential

10734 employees

Ogilvy

11519 employees

dentsu

18592 employees

Publicis Groupe

39813 employees

WPP Media

29035 employees

GroupM

12695 employees

Leo Burnett

7324 employees

WPP

47061 employees

Private Company

113019 employees

Dentsu Creative

6349 employees

McCann Worldgroup

7398 employees

Marketing Mind

4293 employees

Saatchi & Saatchi

5837 employees

Epsilon

11025 employees

IPG Mediabrands

8439 employees

Havas Media Network

6414 employees

We Are Social

1843 employees

DDB

7400 employees

Jellyfish

2341 employees

Wieden + Kennedy

1809 employees

MediaCom

5178 employees

Wavemaker

4679 employees

Hogarth

6203 employees

R/GA

2485 employees