EX-8.1 3 d162037dex81.htm EX-8.1

Exhibit 8.1

Our principal subsidiaries as of December 31, 2015, 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 |  |
Added Value LLC |  | California
AKQA, Inc. |  | California
Mirum, Inc. |  | California
Possible Worldwide, LLC |  | California
141 Worldwide Boomerang LLC |  | Delaware
AKQA Corporation |  | Delaware
Benenson Strategy Group, LLC |  | Delaware
Bottle Rocket LLC |  | Delaware
Bridge Worldwide LLC |  | Delaware
Burson-Marsteller, LLC |  | Delaware
Catalyst Online LLC |  | Delaware
DynamicLogic, LLC |  | Delaware
effectiveUI, Inc. |  | Delaware
Glover Park Group, LLC |  | Delaware
Grey Global Group LLC |  | Delaware
Group M Worldwide, LLC |  | Delaware
Hill & Knowlton Strategies LLC |  | Delaware
International Meetings & Science LLC |  | Delaware
J. Walter Thompson Company LLC |  | Delaware
J. Walter Thompson U.S.A., LLC |  | Delaware
Kantar Health LLC |  | Delaware
Kantar Retail, LLC |  | Delaware
KBM Group LLC |  | Delaware
Landor, LLC |  | Delaware
Lightspeed, LLC |  | Delaware
Marketing and Planning Systems LLC |  | Delaware
Maxus Communications LLC |  | Delaware
Mediacom Worldwide LLC |  | Delaware
Mediaedge:cia, LLC |  | Delaware
Metavision Media, LLC |  | Delaware
Millward Brown, LLC |  | Delaware
Ogilvy CommonHealth Market Access, LLC |  | Delaware

COMPANY NAME |  | JURISDICTION UNDER WHICH ORGANISED
Ogilvy CommonHealth Worldwide LLC |  | Delaware
Ogilvy Healthworld, LLC |  | Delaware
Ogilvy Public Relations Worldwide Inc. |  | Delaware
OgilvyOne, LLC |  | Delaware
Penn, Schoen & Berland Associates, LLC |  | Delaware
PERQ HCI LLC |  | Delaware
Possible Mobile, LLC |  | Delaware
Rasor Holdings LLC |  | Delaware
Red Fuse New York, LLC |  | Delaware
Rockfish Interactive LLC |  | Delaware
Sudler & Hennessey, LLC |  | Delaware
Swift Possible, LLC |  | Delaware
TeamDetroit LLC |  | Delaware
Team Garage LLC |  | Delaware
The Lacek Group LLC |  | Delaware
WPP Group USA, Inc |  | Delaware
WPP Dotcom Holdings (One) LLC |  | Delaware
WPP Group U.S. Finance LLC |  | Delaware
WPPIH 2001, Inc |  | Delaware
Wunderman Data Management, LLC |  | Delaware
Xaxis US, LLC |  | Delaware
Xaxis, Inc. |  | Delaware
Young & Rubicam Inc. |  | Delaware
Reese Communications, Inc. |  | District of Columbia
VML, Inc. |  | Missouri
Wunderman Worldwide, LLC |  | Nevada
Compas, Inc. |  | New Jersey
Geometry Global LLC |  | New York
GHG GreyHealth Group LLC |  | New York
Mindshare USA, LLC |  | New York
The Ogilvy Group, LLC |  | New York
TNS US, LLC |  | Pennsylvania
Public Strategies, Inc. |  | Texas

1

COMPANY NAME |  | JURISDICTION UNDER WHICH ORGANISED
Non-US |  |
MindShare Argentina S.A. |  | Argentina
GroupM Communications Pty Ltd |  | Australia
M Media Group Pty Ltd |  | Australia
Mediaedge:cia Pty Ltd |  | Australia
Mediacom Australia Pty Limited |  | Australia
‘Mediacom’ Agentur für Media-Beratung, -Planung, -Forschung und -Einkauf Gesellschaft m.b.H. |  | Austria
J Walter Thompson Middle East and North Africa E.C. |  | Bahrain
Mediacom Middle East & North Africa Holding W.L.L. |  | Bahrain
IBOPE Participações Ltda. |  | Brazil
J Walter Thompson Publicidade Ltda |  | Brazil
Newdesign Participações Ltda |  | Brazil
Ogilvy & Mather Brasil Comunicação Ltda |  | Brazil
WPP Kantar Participações Ltda. |  | Brazil
Blast Radius Inc. |  | Canada
Media Buying Services ULC |  | Canada
MindShare Canada |  | Canada
Taxi, Inc. |  | Canada
WPP Group Canada Finance, Inc. |  | Canada
The Young & Rubicam Group of Companies ULC |  | Canada
Always (Shanghai) Marketing Services Co Ltd |  | China
Beijing Benpao Century Technology Delevoplement Co.,Ltd. |  | China
GroupM (Shanghai) Advertising Co. Ltd |  | China
GroupM Market Advertising Co. Ltd. |  | China
Guangzhou Dawson Marketing Communication Co. Ltd |  | China
J.Walter Thompson Bridge Advertising Co. Ltd. |  | China
Kinetic Advertising (Shanghai) Co. Ltd |  | China
Millward Brown ACSR Co. Ltd |  | China
Neo@ogilvy |  | China
Shanghai Ogilvy & Mather Advertising Ltd |  | China
Sinotrust International Information & Consulting (Beijing) Co. Ltd. |  | China
MAXUS Czech Republic s.r.o. |  | Czech Republic
MediaCom Praha s.r.o. |  | Czech Republic
Millward Brown Denmark ApS |  | Denmark
CB Associees SAS |  | France
Screenbase SAS |  | France

COMPANY NAME |  | JURISDICTION UNDER WHICH ORGANISED
Kantar SAS |  | France
KR MEDIA France SAS |  | France
Mediacom Paris SA |  | France
Mediaedge:CIA France SAS |  | France
Poster Conseil SAS |  | France
Sofres Asia Pacific SAS |  | France
Taylor Nelson Sofres SAS |  | France
Advanced Techniques Group (ATG) GmbH |  | Germany
Commarco GmbH 120274 |  | Germany
Concept! Venture GmbH |  | Germany
GREY Düsseldorf GmbH |  | Germany
GroupM Competence Center GmbH |  | Germany
Hirschen Group GmbH |  | Germany
MEC GmbH |  | Germany
MediaCom Agentur für Media-Beratung GmbH |  | Germany
MediaCom Interaction GmbH |  | Germany
Syzygy AG |  | Germany
TNS Infratest GmbH |  | Germany
WPP Deutschland Holding GmbH & Co. KG |  | Germany
WPP Media Holdings GmbH |  | Germany
WPP Service GmbH |  | Germany
Young & Rubicam Group Germany GmbH |  | Germany
BATES CHINA LIMITED |  | Hong Kong
Maxus Communications Limited (Hong Kong) |  | Hong Kong
MEDIACOM COMMUNICATIONS LIMITED |  | Hong Kong
MindShare Communications Limited |  | Hong Kong
MindShare Hong Kong Limited |  | Hong Kong
WPP Marketing Communications (Hong Kong) Limited |  | Hong Kong
GroupM Media India Pvt Ltd |  | India
Hindustan Thompson Associates Private Limited |  | India
Mediaedge:cia India Pvt Ltd |  | India
Ogilvy & Mather Pvt Ltd |  | India
TNS India Private Limited |  | India
FAST Srl |  | Italy
GroupM Srl |  | Italy
Maxus Srl |  | Italy
Media Club SpA |  | Italy
Mediacom Italia Srl |  | Italy
Xtel Srl |  | Italy
WPP Scangroup Limited |  | Kenya
WPP Luxembourg Europe SARL |  | Luxembourg

2

COMPANY NAME |  | JURISDICTION UNDER WHICH ORGANISED
WPP Luxembourg Gamma Sarl |  | Luxembourg
WPP Luxembourg Gamma Three Sarl |  | Luxembourg
WPP Luxembourg Sarl |  | Luxembourg
WPP Marketing Communications (Malaysia) Sdn Bhd |  | Malaysia
MindShare de México, S.A. de C.V. |  | Mexico
Mirum, S.A. de C.V. |  | Mexico
The Media Edge, S. de R.L. de C.V. |  | Mexico
Worldwide Mediacom México, S.A. de C.V. |  | Mexico
WPP México, S. de R.L. de C.V. |  | Mexico
Berkeley Square Holding BV |  | Netherlands
Dolphin Square Holding B.V. |  | Netherlands
GroupM B.V. |  | Netherlands
Lightspeed Research B.V. |  | Netherlands
MediaCom B.V. |  | Netherlands
Russell Square Holding BV |  | Netherlands
Team Holdings Curacao N.V. |  | Netherlands
UFO Centrum BV |  | Netherlands
WPP Marketing Communications Germany B.V. |  | Netherlands
Taylor Nelson Sofres BV |  | Netherlands
WPP Purgos Two B.V. |  | Netherlands
MediaCom AS (Norway) |  | Norway
GroupM Pakistan (Private) Ltd |  | Pakistan
Memac Ogilvy & Mather Holding Inc. |  | Panama
MEC Sp.z.o.o |  | Poland
MediaCom - Warszawa Sp.z.o.o. |  | Poland
JWT Adventure Co Ltd |  | Republic of Korea
Taylor Nelson Sofres Korea Ltd |  | Republic of Korea
Diamond Ogilvy Ltd |  | Republic of Korea
LLC ‘GroupM’ |  | Russia
LLC ‘Mindshare’ |  | Russia
LLC ‘MEC’ |  | Russia
Mindshare For Advertising and Promotion Company L.L.C |  | Saudi Arabia
GroupM Singapore Pte Ltd |  | Singapore
J Walter Thompson (Singapore) Pte Ltd |  | Singapore
Redworks (Singapore) Pte Ltd |  | Singapore
Scotts Road Management Services LLP |  | Singapore
MindShare South Africa (Proprietary) Limited |  | South Africa
GroupM Publicidad Worldwide SA |  | Spain
MEC Publicidad Iberia SL |  | Spain
Mediacom Iberia SA |  | Spain
Mindshare Spain SA |  | Spain
WPP Holdings Spain, S.L. |  | Spain
Mediacom AG |  | Switzerland

COMPANY NAME |  | JURISDICTION UNDER WHICH ORGANISED
Mediaedge:cia Taiwan Ltd |  | Taiwan
WPP (Thailand) Ltd |  | Thailand
MEC Ýletiþim Planlama Hizmetleri Limited Þirketi |  | Turkey
MediaCom Istanbul Medya Hizmetleri A.S. |  | Turkey
Mindshare Medya Hizmetleri A.S. |  | Turkey
CB’a Memac FZ LLC |  | United Arab Emirates
Mindshare Advertising LLC |  | United Arab Emirates
Added Value Limited |  | United Kingdom
AKQA Limited |  | United Kingdom
Bisqit Design Limited |  | United Kingdom
Chi & Partners Limited |  | United Kingdom
Cognifide Limited |  | United Kingdom
Cordiant Communications Group Limited |  | United Kingdom
Dialogue Marketing Partnership Limited |  | United Kingdom
EffectiveBrands Limited |  | United Kingdom
Enduring Organisation |  | United Kingdom
Enduring Organisation Three |  | United Kingdom
Enduring Organisation Two |  | United Kingdom
Essence Digital Group Limited |  | United Kingdom
Flexible Organisation |  | United Kingdom
G2 Branding and Design Limited |  | United Kingdom
Grey London Limited |  | United Kingdom
GroupM Entertainment Limited |  | United Kingdom
GROUPM UK Ltd |  | United Kingdom
Hogarth Worldwide Limited |  | 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
Maxus Communications (UK) Limited |  | United Kingdom
MediaCom Group Limited |  | United Kingdom
Mediacom North Limited |  | United Kingdom
Mediaedge:cia International Limited |  | United Kingdom
Mediaedge:CIA UK Limited |  | United Kingdom
Mediaedge:CIA Worldwide Limited |  | United Kingdom
Millward Brown UK Limited |  | United Kingdom
Mindshare Media UK Limited |  | United Kingdom
Mortimer Square Limited |  | United Kingdom
MSIX Communications Limited |  | United Kingdom
Newcrosse Limited |  | United Kingdom
Ogilvy & Mather Group (Holdings) Limited |  | United Kingdom
Ogilvyone Worldwide Limited (UK) |  | United Kingdom
Outrider Limited |  | United Kingdom
Prophaven Limited |  | United Kingdom

3

COMPANY NAME |  | JURISDICTION UNDER WHICH ORGANISED
Research International Group Limited |  | United Kingdom
RLM Finsbury Limited |  | United Kingdom
Salmon Limited |  | United Kingdom
SCI Scientific Communications and Information UK Ltd |  | United Kingdom
Stickleback Limited |  | United Kingdom
The Brand Union Ltd |  | United Kingdom
TNS Group Holdings Limited |  | United Kingdom
TNS UK Limited |  | United Kingdom
WPP 2005 Limited |  | United Kingdom
WPP AMC Holdings |  | United Kingdom
WPP Finance Co. Limited |  | United Kingdom

COMPANY NAME |  | JURISDICTION UNDER WHICH ORGANISED
WPP Group (UK) Ltd |  | United Kingdom
WPP Investments Limited |  | United Kingdom
WPP Jubilee Limited |  | United Kingdom
WPP No. 2337 Limited |  | United Kingdom
WPP Pearls Limited |  | United Kingdom
WPP Sparkle Limited |  | United Kingdom
WPP Unicorn Limited |  | United Kingdom
Xaxis Technology Limited |  | United Kingdom
Young & Rubicam Group Limited |  | United Kingdom
Young & Rubicam Holdings (UK) Limited |  | United Kingdom
Young & Rubicam Inc. |  | United Kingdom
WPP Media Ltd |  | Vietnam

4