EXHIBIT 21
SUBSIDIARIES OF REGISTRANT
Significant Subsidiaries
Percentage of Voting
Jurisdiction of Securities Owned Number of US Number of
Company Incorporation by Registrant subsidiaries Non-US subsidiaries
-------- ------------ ------------------ ------------ -------------------
Omnicom Capital Inc. ................... Connecticut 100% 0 0
Omnicom Finance Inc. ................... Delaware 100% 0 0
Omnicom Europe Limited ................. United Kingdom 100% 0 317
BBDO Worldwide Inc. .................... New York 100% 22 435
InterOne Marketing Group Inc. .......... Michigan 100% 1 2
DDB Worldwide Communications
Group, Inc. ......................... New York 100% 21 131
DDB Holding Europe S.C.A. .............. France 86% 0 124
TBWA Worldwide Inc. .................... New York 100% 22 79
Diversified Agency Services Ltd. ....... Hong Kong 100% 0 9
Ketchum Inc. ........................... Delaware 100% 0 7
Ketchum Communications
Holdings, Inc. ...................... Pennsylvania 100% 6 0
Fleishman-Hillard Inc. ................. Delaware 100% 6 20
NCG/Porter Novelli Inc. ................ Delaware 100% 0 0
Bernard Hodes Group Inc. ............... Delaware 100% 0 0
Rapp Collins Worldwide ................. Delaware 100% 4 0
Rapp Partnership Holdings Inc. ......... Delaware 100% 5 0
Rapp Collins Brazil .................... Brazil 70% 0 1
Rapp Digital Canada Inc. ............... Canada 100% 0 2
Communicade Inc. ....................... Nevada 100% 2 0
Other Brands
Percentage of Voting
Jurisdiction of Securities Owned
Company Incorporation by Registrant
-------- ------------ ------------------
Abbott Mead Vickers ................................ United Kingdom 100%
Accel Healthcare ................................... Delaware 60%
Adelphi Group Limited .............................. United Kingdom 100%
Alcone Marketing Group ............................. California 100%
BGM-FMJ Healthcomm ................................. California 100%
Brodeur Worldwide .................................. Massachusetts 100%
Clark and Weinstock ................................ Delaware 100%
Claydon Heeley Jones Mason ......................... United Kingdom 100%
Cline Davis and Mann ............................... New York 100%
Corbett Healthcare Group ........................... Illinois 100%
Cone ............................................... Massachusetts 100%
CPM International .................................. Germany 98%
Direct Partners .................................... Delaware 100%
Doremus ............................................ Delaware 100%
Eden Communications Group .......................... Delaware 100%
Gavin Anderson and Company ......................... Delaware 100%
GMR Marketing ...................................... Pennsylvania 100%
Goodby, Silverstein and Partners ................... California 100%
Griffin Bacal ...................................... New York 100%
GSD&M .............................................. Texas 100%
Harrison and Star Business Group ................... New York 100%
Harrison Wilson and Associates ..................... California 100%
Health and Medical Communications Group ............ New York 100%
Horrow Sports Ventures ............................. Florida 80%
Integer Group ...................................... Colorado 100%
Interbrand ......................................... New York 100%
Kaleidoscope ....................................... New York 100%
Ketchum Directory Advertising ...................... Delaware 100%
KPR ................................................ New York 100%
Lieber Levett Koenig Farese Babcock ................ New York 100%
Lyons Lavey Nickel Swift ........................... New York 100%
MARC Research ...................................... Texas 100%
Market Star Corporation ............................ Utah 51%
Martin/Williams .................................... Minnesota 100%
Matthews Media Group ............................... Maryland 100%
Merkley Newman Harty ............................... Delaware 100%
Millsport .......................................... Delaware 60%
Moss Dragoti (a division of Omnicom Group Inc.) .... N/A N/A
Optimum Media Direction ............................ Delaware 100%
PhD ................................................ United Kingdom 100%
PentaMark Worldwide ................................ Delaware 100%
Porter Novelli International ....................... Delaware 100%
Pauffley ........................................... United Kingdom 100%
Premier Media Partners ............................. United Kingdom 100%
QED Technologies ................................... Delaware 100%
Other Brands (continued)
Percentage of Voting
Jurisdiction of Securities Owned
Company Incorporation by Registrant
-------- ------------ ------------------
Russ Reid Company ................................... Illinois 50%
Targetbase .......................................... United Kingdom 100%
TARGIS Healthcare Communications Worldwide .......... Germany 85%
Tequila International Holdings ...................... Delaware 100%
The Designory ....................................... California 100%
The Marketing Arm ................................... Delaware 100%
Tic Toc ............................................. Delaware 85%
TLP-Tracy Locke Partnership ......................... Texas 100%
Tribal DDB .......................................... Delaware 100%
U.S. Marketing and Promotions ....................... Delaware 100%
Washington Speakers Bureau .......................... Delaware 100%
Zimmerman and Partners Advertising .................. Delaware 100%
@tmosphere Interactive .............................. Delaware 90%