EX-8.1 7 d328609dex81.htm LIST OF SUBSIDIARIES

List of subsidiaries

Exhibit 8.1

Our principal subsidiaries as of December 31, 2011, are listed below. All other subsidiaries, if considered in the aggregate, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X.

COMPANY NAME		JURISDICTION UNDER WHICH ORGANISED
United States
24/7 Media US, Inc.		Delaware
24/7 Media, Inc.		Delaware
A. Eicoff & Company, Inc.		Delaware
Burson-Marsteller, LLC		Delaware
G2 Worldwide Inc.		New York
Glover Park Group LLC		Delaware
Grey Global Group Inc.		Delaware
Grey Healthcare Group Inc.		New York
Group M Worldwide, Inc.		Delaware
I-Behavior Inc.		Delaware
J. Walter Thompson Company		Delaware
J. Walter Thompson U.S.A., Inc.		Delaware
KnowledgeBase Marketing Inc.		Delaware
Landor Ohio LLC		Delaware
Landor, LLC		Delaware
Lightspeed Online Research LLC		Delaware
Marketing and Planning Systems LLC		Delaware
Maxus Communications LLC		Delaware
Mediacom Worldwide Inc.		Delaware
Mediaedge:CIA LLC		Delaware
Millward Brown, Inc.		Illinois
Mindshare USA, LLC		New York
Ogilvy CommonHealth Worldwide LLC		Delaware
Ogilvy Healthworld, LLC		Delaware
Ogilvy Public Relations Worldwide, Inc.		Delaware
OgilvyOne, LLC		Delaware
Possible Worldwide Inc		California
Public Strategies, Inc		Texas
Sudler & Hennessey, LLC		Delaware
TeamDetroit, Inc.		Delaware
The Ogilvy Group, Inc.		Delaware
TNS Custom Research, Inc		Pennsylvania
VML, Inc.		Missouri
WPP Finance Square LLC		Delaware
WPP Group U.S. Finance Corp.		Delaware

COMPANY NAME		JURISDICTION UNDER WHICH ORGANISED
WPPIH 2001, Inc		Delaware
Wunderman Worldwide, LLC		Nevada
Young & Rubicam Inc		Delaware
Non-US
Mediacom Australia Pty Limited		Australia
WPP Group Services SNC		Belgium
J Walter Thompson Publicidade Ltda		Brazil
Newdesign Participações Ltda		Brazil
Y&R Propaganda Ltda		Brazil
Mediacom Canada		Canada
GroupM (Shanghai) Advertising Co. Ltd		China
J.Walter Thompson Bridge Advertising Co. Ltd.		China
Kinetic Advertising (Shanghai) Co. Ltd		China
Kantar SAS		France
KR MEDIA France SAS		France
Taylor Nelson Sofres SAS		France
Advanced Techniques Group (ATG) GmbH		Germany
Commarco GmbH		Germany
Kantar Health GmbH		Germany
MEC GmbH		Germany
MediaCom Agentur für Media-Beratung GmbH		Germany
MindShare GmbH		Germany
TNS Infratest GmbH		Germany
MindShare Communications Limited		Hong Kong
GroupM Media India Pvt Ltd		India
Hindustan Thompson Associates Private Limited		India
Ogilvy & Mather Pvt Ltd		India
CIA Medianetwork Club Srl		Italy
CIA Medianetwork Milano Srl		Italy
Mediacom Italia Srl		Italy
Mindshare SpA		Italy

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COMPANY NAME		JURISDICTION UNDER WHICH ORGANISED
WPP Luxembourg Gamma Four Sarl		Luxembourg
WPP Luxembourg Gamma Sarl		Luxembourg
WPP Luxembourg Sarl		Luxembourg
JWT México, S.R.L. de C.V.		Mexico
Berkeley Square Holding BV		Netherlands
GroupM B.V.		Netherlands
Luxembourg Finance Gamma CV		Netherlands
MindShare B.V.		Netherlands
Taylor Nelson Sofres BV		Netherlands
Kantar Media S.A.		Spain
Mediacom Iberia SA		Spain
Mindshare Spain SA		Spain
Vinizius Young & Rubicam SL		Spain
Mediaedge:cia Taiwan Ltd.		Taiwan
Allan Burrows Limited		United Kingdom
Enduring Organisation		United Kingdom
Enduring Organisation Three		United Kingdom
Flexible Organisation		United Kingdom
Group Activation Ltd		United Kingdom
J. Walter Thompson Group Limited		United Kingdom
Kantar Media UK Ltd		United Kingdom
Kinetic Worldwide Limited		United Kingdom
Lightspeed Research Ltd		United Kingdom
MediaCom UK Limited		United Kingdom

COMPANY NAME		JURISDICTION UNDER WHICH ORGANISED
Mediaedge:CIA Worldwide Limited		United Kingdom
Millward Brown UK Limited		United Kingdom
Mindshare Media UK Limited		United Kingdom
Ogilvy & Mather Group (Holdings) Limited		United Kingdom
Ogilvyone Worldwide Limited		United Kingdom
Premiere Group Holdings Limited		United Kingdom
Prophaven Limited		United Kingdom
RLM Finsbury Limited		United Kingdom
TNS Group Holdings Limited		United Kingdom
TNS UK Limited		United Kingdom
WPP 2005 Limited		United Kingdom
WPP 2008 Limited		United Kingdom
WPP ATTICUS		United Kingdom
WPP Finance (UK)		United Kingdom
WPP Finance Co. Limited		United Kingdom
WPP Marketing Communications Spain		United Kingdom
WPP No. 2337 Limited		United Kingdom
WPP Pearls Limited		United Kingdom
WPP Unicorn Limited		United Kingdom
Young & Rubicam Group Limited		United Kingdom

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