| Exhibit 21.1 | |||||
| Subsidiaries of Registrant | |||||
| Name of Subsidiary | Jurisdiction of Incorporation or Organization | ||||
| 0972792 B.C. LTD | Canada | ||||
| AbC.R.O., Inc. | Virginia | ||||
| Access to Patients, LLC | Pennsylvania | ||||
| Acurian, Inc. | Delaware | ||||
| APBI Finance Corporation | Delaware | ||||
| Applied Bioscience International, LLC | Delaware | ||||
| ATP, LLC | North Carolina | ||||
| CCBR (Beijing) Company Limited | China | ||||
| CCBR Asia Ltd. | Hong Kong | ||||
| CENTER FOR CLINICAL AND BASIC RESEARCH (BEIJING) LIMITED SHANGHAI BRANCH | China | ||||
| Center for Clinical and Basic Research A/S | Denmark | ||||
| Center for Clinical and Basic Research AS | Estonia | ||||
| Center for Health and Medical Research -CCBR Hong Kong Limited | Hong Kong | ||||
| Chelmsford Clinical Trials Unit Limited | United Kingdom | ||||
| Clinical Technology Centre (International) Limited | United Kingdom | ||||
| Clinical Technology Centre (Ireland) Limited | Ireland | ||||
| Compass NeuroHealth, LLC | Florida | ||||
| Compass Research North, LLC | Florida | ||||
| Compass Research Phase 1, LLC | Florida | ||||
| Compass Research, LLC | Florida | ||||
| DDF Properties Estonia OU | Estonia | ||||
| Eagle Holding Company II, LLC | Delaware | ||||
| Evidera Access Consulting Ltd | United Kingdom | ||||
| Evidera Holdings Ltd | United Kingdom | ||||
| Evidera Ltd | United Kingdom | ||||
| Evidera, Inc. | Delaware | ||||
| Evidera, Inc. (UK) | United Kingdom | ||||
| Evidera, LLC | Delaware | ||||
| Excel PharmaStudies Inc. | Cayman Islands | ||||
| Greenbird Limited | Cyprus | ||||
| Jaguar (Barbados) Finance SRL | Barbados | ||||
| Jaguar Holding Company I, LLC | Delaware | ||||
| Jaguar Holding Company II | Delaware | ||||
| Leicester Clinical Research Centre Limited | United Kingdom | ||||
| Limited Liability Company Contract Research Organisation Innopharm | Ukraine | ||||
| Limited Liability Company PPD Development (Smolensk) | Russia | ||||
| Medical Centre Synexus Sofia EOOD | Bulgaria | ||||
| Medici Global Ltd. | United Kingdom | ||||
| MediciGroup, Inc. | Pennsylvania | ||||
| Medimix Latam Pesquisa de Mercado Ltda | Brazil | ||||
| NeuroHealth, Inc. | Florida | ||||
| Optimal Research, LLC | Maryland | ||||
| Panoply Health Limited | United Kingdom | ||||
| Pharmaceutical Product Development South Africa (Proprietary) Limited - Uganda Branch | Uganda | ||||
| Pharmaceutical Product Development South Africa (Proprietary) Ltd | South Africa | ||||
| Pharmaceutical Product Development Spain SL | Spain | ||||
| Pharmaceutical Product Development, LLC | Delaware | ||||
| Pharmaco Investments, Inc. | Delaware | ||||
| PPD (Netherlands) B.V. | Netherlands | ||||
| PPD Aeronautics, LLC | North Carolina | ||||
| PPD Argentina S.A. | Argentina | ||||
| PPD Australia Pty Limited | Australia | ||||
| PPD Bulgaria EOOD | Bulgaria | ||||
| PPD Canada | Canada | ||||
| PPD Colombia S.A.S | Colombia | ||||
| PPD Corporate Foundation | Delaware | ||||
| PPD CT Investments LLP | United Kingdom | ||||
| PPD Czech Republic S.R.O. | Czech Republic | ||||
| PPD Denmark, Filial af PPD Scandinavia AB, Sverige | Denmark | ||||
| PPD Development (HK) Limited - Taiwan Branch | Taiwan | ||||
| PPD Development (HK) Limited. | Hong Kong | ||||
| PPD Development (S) Pte. Ltd - Indonesia | Indonesia | ||||
| PPD Development (S) Pte. Ltd. (Philippines Branch) | Philippines | ||||
| PPD Development (S) Pte. Ltd. - Malaysia branch | Malaysia | ||||
| PPD Development (S) Pte. Ltd. - Singapore | Singapore | ||||
| PPD Development (S) Pte. Ltd. Korea Branch | South Korea | ||||
| PPD Development (Thailand) Co., Ltd. | Thailand | ||||
| PPD Development Ireland Limited | Ireland | ||||
| PPD Development, L.P. | Delaware | ||||
| PPD do Brasil- Suporte a Pesquisa Clinica Ltd | Brazil | ||||
| PPD France SAS | France | ||||
| PPD Germany GmbH | Germany | ||||
| PPD Germany GmbH & Co. KG | Germany | ||||
| PPD Global Central Labs (S) Pte. Ltd. - Singapore | Singapore | ||||
| PPD Global Central Labs BV | Belgium | ||||
| PPD Global Central Labs, LLC | Kentucky | ||||
| PPD Global Limited - Ghana Branch | Ghana | ||||
| PPD Global Limited - Israel Branch | Israel | ||||
| PPD Global Limited - Kenya Branch | Kenya | ||||
| PPD Global Limited - New Zealand Branch | New Zealand | ||||
| PPD Global Limited Merkezi İngiltere Türkiye İstanbul Şubesi | Turkey | ||||
| PPD Global Limited Sucursal em Portugal | Portugal | ||||
| PPD Global Ltd - Austria Branch | Austria | ||||
| PPD Global Ltd - Greece Branch | Greece | ||||
| PPD Global Ltd. | United Kingdom | ||||
| PPD GP, LLC | Delaware | ||||
| PPD Guatemala, S.A. | Guatemala | ||||
| PPD Holdings, LLC | Delaware | ||||
| PPD Hrvatska d.o.o. | Croatia | ||||
| PPD Hungary Research and Development Ltd. | Hungary | ||||
| PPD International Holdings (UK) Ltd | United Kingdom | ||||
| PPD International Holdings GmbH | Germany | ||||
| PPD International Holdings, Inc. y Compania Limitada | Chile | ||||
| PPD International Holdings, LLC | Delaware | ||||
| PPD International Holdings, LLC - Belgium Branch | Belgium | ||||
| PPD International Investments Limited | United Kingdom | ||||
| PPD Investigator Services, LLC | Delaware | ||||
| PPD Italy S.r.l | Italy | ||||
| PPD Laboratories (Suzhou) Co., Ltd. | China | ||||
| PPD Latvia SIA | Latvia | ||||
| PPD Mexico S.A. de C.V. | Mexico | ||||
| PPD Peru S.A.C. | Peru | ||||
| PPD Pharmaceutical Development (Beijing) Co., Ltd. | China | ||||
| PPD Pharmaceutical Development (Beijing) Co., Ltd. Guangzhou Branch | China | ||||
| PPD Pharmaceutical Development (Beijing) Co., Ltd. Shanghai Branch | China | ||||
| PPD Pharmaceutical Development (Beijing) Co., Ltd. Shenyang Branch | China | ||||
| PPD Pharmaceutical Development India Private Limited | India | ||||
| PPD Pharmaceutical Development Japan K.K. | Japan | ||||
| PPD Pharmaceutical Development Philippines Corp. | Philippines | ||||
| PPD Pharmaceutical Development Vietnam Company Limited | Vietnam | ||||
| PPD Poland Sp.Z o.o. | Poland | ||||
| PPD Romania SRL | Romania | ||||
| PPD Scandinavia AB | Sweden | ||||
| PPD Serbia D.O.O. Beograd | Serbia | ||||
| PPD Services, Inc. | North Carolina | ||||
| PPD Slovak Republic s.r.o. | Slovak Republic | ||||
| PPD Switzerland GmbH | Switzerland | ||||
| PPD UK Holdings Limited | United Kingdom | ||||
| PPD Vaccines and Biologics, LLC | Pennsylvania | ||||
| PPD, Inc. | Delaware | ||||
| PPD-SNBL K.K. | Japan | ||||
| River Ventures, LLC | North Carolina | ||||
| Shorecloud Corporation | Philippines | ||||
| Synarc Inc. | Delaware | ||||
| Synexus (Trustees) Limited | United Kingdom | ||||
| Synexus Bulgaria EOOD | Bulgaria | ||||
| Synexus Clinical Research Acquisitions Limited | United Kingdom | ||||
| Synexus Clinical Research Finance Limited | United Kingdom | ||||
| Synexus Clinical Research GmbH | Germany | ||||
| Synexus Clinical Research Limited | United Kingdom | ||||
| Synexus Clinical Research Midco No1 Limited | United Kingdom | ||||
| Synexus Clinical Research Midco No2 Limited | United Kingdom | ||||
| Synexus Clinical Research Midco No3 Limited | United Kingdom | ||||
| Synexus Clinical Research Midco No4 Limited | United Kingdom | ||||
| Synexus Clinical Research South Africa (Pty) Limited | South Africa | ||||
| Synexus Clinical Research Topco Limited | United Kingdom | ||||
| Synexus Clinical Research US, Inc. | Arizona | ||||
| Synexus Czech s.r.o. | Czech Republic | ||||
| Synexus Holding, LLC | Delaware | ||||
| Synexus Limited | United Kingdom | ||||
| Synexus Magyarorszg Egszsggyi Szolgltat Korltolt Felelssg Trsasg | Hungary | ||||
| Synexus Polska Sp. Z o.o | Poland | ||||
| Synexus Ukraine Limited Liability Company | Ukraine | ||||
| The Compass Clinic, LLC | Florida | ||||
| The Resident Representative Office of PPD Development (S) Pte. Ltd. in Ho Chi Minh City | Vietnam | ||||
| UAB Center for Clinical and Basic Research | Lithuania | ||||
| UAB DDF Properties LT | Lithuania | ||||
| Wildcat Acquisition Holdings (UK) Limited | United Kingdom | ||||