Exhibit 21.1
Subsidiaries of the Registrant
| Entity | Jurisdiction | |
| A.C. Nielsen (N.Z.) ULC | New Zealand | |
| A.C. Nielsen Chile Limitada | Chile | |
| A.C. Nielsen Company Limited | United Kingdom | |
| A.C. Nielsen Company, S.L. | Spain | |
| A.C. Nielsen de Colombia Ltda. | Colombia | |
| A.C. Nielsen do Brasil Ltda. | Brazil | |
| A.C. Nielsen Finland Oy | Finland | |
| A.C. Nielsen Gesellschaft m.b.H. | Austria | |
| A.C. Nielsen of Ireland Limited | Ireland | |
| A.C. Nielsen P.R. LLC | Puerto Rico | |
| A.C. Nielsen Portugal- Estudos de Mercado- Unipessoal, Lda. | Portugal | |
| A3 Distrib SAS | France | |
| AC Nielsen de Venezuela S.A. | Venezuela | |
| AC Nielsen El Salvador, S.A. de C.V. | El Salvador | |
| AC Nielsen Mexico LLC | Delaware | |
| AC Nielsen SAS | France | |
| Acceleratio Holdco S.à r.l. | Luxembourg | |
| ACNielsen (Nederland) B.V. | Netherlands | |
| ACNielsen (Singapore) Pte. Ltd. | Singapore | |
| ACNielsen (Tanzania) Ltd. | Tanzania | |
| ACNielsen AB | Sweden | |
| ACNielsen AMER Algeria EURL | Algeria | |
| ACNielsen Bel | Belarus | |
| ACNielsen Bulgaria Ltd | Bulgaria | |
| ACNielsen Cayman Islands Colombia Ltd. | Cayman Islands | |
| ACNielsen Centroamerica, S.A. | Guatemala | |
| ACNielsen Company of Canada | Canada | |
| ACNielsen Costa Rica S.A. | Costa Rica | |
| ACNielsen Cyprus Limited | Cyprus | |
| ACNielsen Czech Republic s.r.o. | Czech Republic | |
| ACNielsen d.o.o. | Croatia | |
| ACNielsen d.o.o. | Serbia | |
| ACNielsen Dominicana, SRL | Dominican Republic | |
| ACNielsen Ecuador S.A. | Ecuador | |
| ACNielsen Eesti OÜ | Estonia | |
| ACNielsen Group Limited | Hong Kong | |
| ACNielsen Holdings Limited | Hong Kong | |
| ACNielsen Honduras S.A. de C.V. | Honduras | |
| ACNielsen Kazakhstan LLP | Kazakhstan | |
| ACNielsen Kenya Limited | Kenya | |
| ACNielsen Latvia SIA | Latvia | |
| ACNIELSEN Limited Liability Company | Russia | |
| ACNielsen Nicaragua, S.A. | Nicaragua | |
| ACNielsen Nigeria Limited | Nigeria | |
| ACNielsen Norge AS | Norway | |
| ACNielsen Pakistan (Private) Limited | Pakistan | |
| ACNielsen Panama, S.A. | Panama | |
| ACNielsen Piackutató Kft. | Hungary | |
| ACNielsen Polska Sp. z o.o. | Poland | |
| ACNielsen raziskovalna druzba, d.o.o. | Slovenia | |
| ACNielsen Romania srl | Romania | |
| ACNielsen SARL | Morocco | |
| ACNielsen Slovakia s.r.o. | Slovakia | |
| ACNielsen Uganda Limited | Uganda | |
| ACNielsen Ukraine Limited Liability Company | Ukraine | |
| AMER Research Limited | Cyprus | |
| Art Holding (Brazil) C.V. | Netherlands | |
| Brandbank Limited | United Kingdom | |
| CGA Nielsen (Global) Limited | United Kingdom | |
| CGA Strategy Limited | United Kingdom | |
| China Market Monitor Co., Ltd. | China | |
| CiValue Systems Ltd. | Israel | |
| Consumer Canvas, LLC | Delaware | |
| DataMia LLC | Delaware | |
| Empresa de Servicios AC Nielsen S.A. | Bolivia | |
| G F K Egypt LTD | Egypt | |
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| GfK Adimark Chile S.A. | Chile | |
| GfK ANZ PTY LTD | Australia | |
| GfK Arastirma Hizmetleri A.S. | Turkey | |
| GfK Asia Pte Ltd | Singapore | |
| GfK Australia Fieldwork Pty. Ltd. | Australia | |
| GfK Austria GmbH | Austria | |
| GfK Bangladesh Pvt. Ltd. | Bangladesh | |
| GfK Belgium N.V. | Belgium | |
| GfK Bulgaria Market Research Institute EOOD | Bulgaria | |
| GfK CE Argentina S.A. | Argentina | |
| GfK Custom Research Brasil Pesquisa de Mercado Ltda. | Brazil | |
| GfK Czech, s r.o. | Czech Republic | |
| GfK Danmark A/S | Demark | |
| GfK Ecuador Investigacion de Mercado Cia. Ltda. | Ecuador | |
| GfK EMER Ad Hoc Research, S.L. | Spain | |
| GfK Entertainment AG | Switzerland | |
| GfK Entertainment GmbH | Germany | |
| GfK Etilize (Private) Limited | Pakistan | |
| GfK Etilize, Inc. | Delaware | |
| GfK GeoMarketing GmbH | Germany | |
| GfK GmbH | Germany | |
| GfK GmbH | Germany | |
| GFK HELLAS E.P.E. | Greece | |
| GfK Hungária Piackutató Kft. | Hungary | |
| GfK Insight Japan KK | Japan | |
| GfK Italia S.r.l. | Italy | |
| GFK LATINOAMERICA HOLDING, S.L. | Spain | |
| GfK Malta Holding Limited | Malta | |
| GfK Market Consulting (Beijing) Co. Ltd. | China | |
| GfK Marketing Services Japan Ltd | Japan | |
| GfK Mexico S.A.P.I. de C.V. | Mexico | |
| GfK Middle East and Africa FZ-LLC | United Arab Emirates | |
| GfK Middle East CR Holding GmbH | Germany | |
| GfK Middle East FZ-LLC | United Arab Emirates, Saudi Arabia | |
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| GfK Mode Pvt Ltd | India | |
| GfK Myanmar Company Limited | Myanmar | |
| GfK Netherlands B.V. | Netherlans | |
| Gfk Nielsen India Private Limited | India | |
| GfK Philippines Corporation | Philippines | |
| GfK Polonia Sp. z o.o. | Poland | |
| GfK PORTUGAL - Marketing Services SA | Portugal | |
| GfK Research Dynamics, Inc. | Canada | |
| GfK Retail & Technology Israel Ltd. | Israel | |
| GFK Retail &Technology Egypt, L.L.C. | Egypt | |
| GfK Retail and Technology (Cyprus) LTD | Cyprus | |
| GfK Retail and Technology (Thailand) Ltd. | Thailand | |
| GfK Retail and Technology Argentina S.A. | Argentina | |
| GfK Retail and Technology Asia Holding B.V. | Netherlands | |
| GfK Retail and Technology Chile Limitada | Chile | |
| GfK Retail and Technology China Co. Ltd. | China | |
| GfK Retail and Technology Colombia Limitada | Colombia | |
| GfK Retail and Technology Espana, S.A. | Spain | |
| GfK Retail and Technology France SAS | France | |
| GfK Retail and Technology Hong Kong Limited | Hong Kong | |
| GfK Retail and Technology Korea Ltd. | South Korea | |
| GfK Retail and Technology Malaysia Sdn. Bhd. | Malaysia | |
| GfK Retail and Technology Market Research Vietnam Limited | Vietnam | |
| GfK Retail and Technology North Africa SARL | Morocco | |
| GfK Retail and Technology Panama, S.A. | Panama | |
| GfK Retail and Technology Peru S.A.C. | Peru | |
| GfK Retail and Technology Taiwan Ltd | Taiwan | |
| GfK Retail and Technology UK Holding Limited | United Kingdom | |
| GfK Retail and Technology UK Ltd. | United Kingdon | |
| GfK Romania-Institut de Cercetare de Piata S.R.L. | Romania | |
| GFK SLOVENIJA, tržne raziskave d.o.o. | Slovenia | |
| GfK South Africa (Pty) Ltd | South Africa | |
| GfK Sverige Aktiebolag | Sweden | |
| GfK Switzerland AG | Switzerland | |
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| GfK Turkey Danismanlik ve Pazar Arastirma Hizmetleri A.S. | Turkey | |
| GfK U.K. Holding Limited | United Kingdom | |
| GfK U.K. Limited | United Kingdom | |
| GfK Ukraine | Ukraine | |
| GfK US MRI, LLC | Delaware | |
| Grace BidCo GmbH | Germany | |
| Grace HoldCo GmbH | Germany | |
| IFR South America, S.A. | Argentina | |
| Indy Dutch Bidco B.V. | Netherlands | |
| Indy US Holdco, LLC | Delaware | |
| Institut Français de Recherche-I.F.R. S.A.S | France | |
| Intercampus-Recolha, Tratamento E Distribuição De Informação, S.A. | Portugal | |
| Intermediate Dutch Holdings B.V. | Netherlands | |
| Limited Liability Company International Institute of Marketing and Social Research | Russia | |
| Marketingscan (France) SAS | France | |
| Media Focus Schweiz GmbH | Switzerland | |
| Memrb Retail Tracking Services Limited | Cyprus | |
| Metris-Métodos De Recolha E Investigação Social, S.A. | Portugal | |
| National Consumer Panel, LLC | Delaware | |
| Nielsen Arastirma Hizmetleri Limited Sirket | Turkey | |
| Nielsen Book Services Limited | United Kingdom | |
| Nielsen Connect Australia Pty Ltd | Australia | |
| Nielsen Consultancy LLC | Qatar | |
| Nielsen Consumer Greece Single Member S.A. | Greece | |
| Nielsen Consumer LLC | Delaware | |
| Nielsen Consumer, Inc. | Delaware | |
| Nielsen Data Factory LLC | Russia | |
| Nielsen Egypt LLC | Egypt | |
| Nielsen for Consultancies Limited Liability Company | Jordan | |
| Nielsen for Market Research LLC | Oman | |
| Nielsen Holding Saudi Limited or Nielsen Holding Saudi Company Limited | Saudi Arabia | |
| Nielsen I Q Lanka (Private) Limited | Sri Lanka | |
| Nielsen Innovate B.V. | Netherlands | |
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| Nielsen Innovate Fund, LP | Israel | |
| Nielsen Innovate Ltd. | Israel | |
| Nielsen Innovate Singapore Pte. Ltd | Singapore | |
| Nielsen Market Research Services FZ-LLC | United Arab Emirates | |
| Nielsen MMRD (Myanmar) Company., Ltd. | Myanmar | |
| Nielsen MMRD Holdings Pte. Ltd. | Singapore | |
| Nielsen Precima B.V. | Netherlands | |
| Nielsen Precima, LLC | Delaware | |
| Nielsen S.R.L. | Peru | |
| Nielsen Services Japan GK | Japan | |
| Nielsen Services Poland Sp. z o.o. | Poland | |
| Nielsen Tunisie SARL | Tunisia | |
| Nielsen Uruguay (US), LLC | Delaware | |
| NielsenIQ (Belgium) SRL | Belgium | |
| NielsenIQ (Denmark) ApS | Denmark | |
| NielsenIQ (Germany) GmbH | Germany | |
| NielsenIQ (Guangzhou) LTD | China | |
| NielsenIQ (Hong Kong) Limited | Hong Kong | |
| NielsenIQ (India) Private Limited | India | |
| NielsenIQ (Malaysia) Sdn. Bhd. | Malaysia | |
| NielsenIQ (Singapore) Holdings Pte. Ltd. | Singapore | |
| NielsenIQ (Singapore) Pte. Ltd | Singapore | |
| NielsenIQ (Switzerland) GmbH | Switzerland | |
| NielsenIQ (Thailand) Limited | Thailand | |
| NielsenIQ (Vietnam), Ltd. | Vietnam | |
| NielsenIQ Holding France SAS | France | |
| NielsenIQ Holdings, L.L.C. | Delaware | |
| NielsenIQ Italy S.r.l. | Italy | |
| NielsenIQ Japan | Japan | |
| NielsenIQ Korea Ltd | South Korea | |
| NielsenIQ México Services, S. de R.L. de C.V. | Mexico | |
| NielsenIQ Philippines, Inc. | Philippines | |
| NielsenIQ Services France SAS | France | |
| NielsenIQ Services Germany GmbH | Germany | |
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| NielsenIQ Services Italy S.r.l. | Italy | |
| NielsenIQ Services Korea Ltd. | South Korea | |
| NielsenIQ Services Sweden AB | Sweden | |
| NielsenIQ South Africa (Pty) Ltd | South Africa | |
| NielsenIQ South America S.R.L. | Argentina | |
| NielsenIQ Sub Holding Company | Canada | |
| NielsenIQ Sub Holdings I B.V. | Netherlands | |
| NielsenIQ Taiwan Ltd. | Taiwan | |
| Panel International SA LLC | Delaware | |
| PT. GfK Retail and Technology Indonesia | Indonesia | |
| PT. Nielseniq Services Indonesia | Indonesia | |
| Simmons Research, LLC | Delaware | |
| The Nielsen Company (Bangladesh) Ltd. | Bangladesh | |
| The Nielsen Company (Europe) Sàrl | Switzerland | |
| The Nielsen Company Nepal Pvt Ltd. | Nepal | |
| The Nielsen Company Paraguay S.R.L. | Paraguay | |
| TNC Europe B.V. | Netherlands | |
| UAB ACNielsen Baltics | Lithuania | |
| Unrollme LLC | Delaware | |
| Viewerslogic Ltd | Israel | |
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