EXHIBIT 21.1

PAREXEL INTERNATIONAL CORPORATION

LIST OF SUBSIDIARIES OF THE COMPANY

(As of June 30, 2009)



|                                                                                                     |  |                   |  
|---------------------------------------------------------------------------------------------------- |  | ----------------- | -
|Subsidiary                                                                                           |  | PAREXELOwnership* |  
|PAREXEL International, LLC, a Delaware limited liability company                                     |  | 100               | %
|PAREXEL Government Services, Inc., a Delaware corporation                                            |  | 100               | %
|PAREXEL International Trust, a Massachusetts Business Trust                                          |  | 100               | %
|PAREXEL International GmbH, a Corporation organized under the laws of Germany                        |  | 100               | %
|PAREXEL International Limited, a corporation organized under the laws of the United Kingdom          |  | 100               | %
|PAREXEL International SARL, a corporation organized under the laws of France                         |  | 100               | %
|PAREXEL International SRL, a corporation organized under the laws of Italy                           |  | 100               | %
|PAREXEL International Pty Ltd., a corporation organized under the laws of Australia                  |  | 100               | %
|PAREXEL International S.L., a corporation organized under the laws of Spain                          |  | 100               | %
|PAREXEL International Medical Marketing Services, Inc., a Virginia corporation                       |  | 100               | %
|PAREXEL International (Lansal) Ltd., a corporation organized under the laws of Israel                |  | 100               | %
|Perceptive Informatics, Inc., a Delaware corporation                                                 |  | 100               | %
|PAREXEL Empresa De Trabajo Temporal, S.L., a corporation organized under the laws of Spain           |  | 100               | %
|PAREXEL International Inc., a corporation organized under the laws of Japan                          |  | 100               | %
|PAREXEL International Holding B.V., a corporation organized under the law of the Netherlands         |  | 100               | %
|PAREXEL MMS Europe Limited, a corporation organized under the laws of the United Kingdom             |  | 100               | %
|PPSI, Inc., a Connecticut corporation                                                                |  | 100               | %
|The Center for Bio-Medical Communication, Inc., a New Jersey corporation                             |  | 100               | %
|PAREXEL Nederland B.V., a corporation organized under the laws of the Netherlands                    |  | 100               | %
|Mirai Placebo B.V., a corporation organized under the laws of The Netherlands                        |  | 100               | %
|PAREXEL Polska SP ZOO, a corporation organized under the laws of Poland                              |  | 100               | %
|PAREXEL Hungary Limited, a corporation organized under the laws of Hungary                           |  | 100               | %
|PAREXEL Baltics AS, a corporation organized under the laws of Norway                                 |  | 100               | %
|PAREXEL Norway AS, a corporation organized under the laws of Norway                                  |  | 100               | %
|PAREXEL Russia AS, a corporation organized under the laws of Norway                                  |  | 100               | %
|PAREXEL Sweden AB, a corporation organized under the laws of Sweden                                  |  | 100               | %
|PAREXEL International, S.A., a corporation organized under the laws of Argentina                     |  | 100               | %
|FARMOVS PAREXEL (Proprietary) Ltd., a corporation organized under the laws of South Africa           |  | 70                | %
|PAREXEL International y Compania Limitada, a corporation organized under the laws of Chile           |  | 100               | %
|PAREXEL International Pesquisas Clinicas Ltda., a corporation organized under the laws of Brazil     |  | 100               | %
|PAREXEL International Medical Marketing Services (NJ), LLC., a Delaware limited liability company    |  | 100               | %
|PAREXEL Belgium SPRL, a corporation organized under the laws of Belgium                              |  | 100               | %
|FWPS Group Ltd., a corporation organized under the laws of the United Kingdom                        |  | 100               | %
|Perceptive Informatics UK Ltd., a corporation organized under the laws of the United Kingdom         |  | 100               | %
|Fraser Williams (Midlands) Ltd., a corporation organized under the laws of the United Kingdom        |  | 98                | %
|MMSQI, Inc., a corporation organized under the laws of Delaware                                      |  | 100               | %
|PAREXEL Ukraine LLC, a corporation organized under the laws the of Ukraine                           |  | 100               | %
|PAREXEL International Holding Corporation, a Delaware corporation                                    |  | 100               | %
|PAREXEL International UAB, a corporation organized under the laws of Lithuania                       |  | 100               | %
|PAREXEL International Romania SRL, a corporation organized under the laws of Romania                 |  | 100               | %
|PAREXEL International (South Africa) Pty Ltd, a corporation organized under the laws of South Africa |  | 100               | %
|PAREXEL Finland OY, a corporation organized under the laws of Finland                                |  | 100               | %
|PAREXEL (IMC), Inc., a corporation organized under the laws of Pennsylvania                          |  | 100               | %



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|                                                                                                              |  |                   |  
|------------------------------------------------------------------------------------------------------------- |  | ----------------- | -
|Subsidiary                                                                                                    |  | PAREXELOwnership* |  
|PAREXEL International (Canada) Ltd, a corporation organized under the laws of New Brunswick, Canada           |  | 100               | %
|PAREXEL International (UK) Ltd, a corporation organized under the laws of the United Kingdom                  |  | 100               | %
|Bio/pharmAccelerator Management Company LLC, a corporation organized under the laws of Deleware               |  | 100               | %
|PAREXEL International (RUS) LLC, a corporation organized under the laws of Russian Federation                 |  | 100               | %
|PAREXEL International Czech Republic S.R.O., a corporation organized under the laws of Czech Republic         |  | 100               | %
|PAREXEL International Mexico S.A. DE C.V., a corporation organized under the laws of Mexico                   |  | 100               | %
|PAREXEL International Synchron Private Limited, a corporation organized under the laws of India               |  | 75                | %
|PAREXEL International (India) Private Limited, a corporation organized under the laws of India                |  | 100               | %
|PAREXEL APEX International Co., Ltd., a corporation organized under the laws of Taiwan                        |  | 100               | %
|PAREXEL-APEX- Britain International Corp., a corporation organized under the laws of British Virgin Islands   |  | 100               | %
|CSM Pharma Service Co., Ltd., a corporation organized under the laws of Taiwan                                |  | 100               | %
|PAREXEL-APEX- Cayman International Corp., a corporation organized under the laws of Cayman Islands            |  | 100               | %
|PAREXEL APEX Korea Co., Ltd., a corporation organized under the laws of Korea                                 |  | 100               | %
|PAREXELAPEX International (Hong Kong) Company Limited, a corporation organized under the laws of Hong Kong    |  | 100               | %
|PAREXEL Apex International (Singapore) Pte. Ltd., a corporation organized under the laws of Singapore         |  | 100               | %
|PAREXEL APEX International (Malaysia) SDN. BHD. a corporation organized under the laws of Malaysia            |  | 100               | %
|PAREXEL AMAX International Corp., a corporation organized under the laws of British Virgin Islands            |  | 100               | %
|ApexChina Co., Ltd., a corporation organized under the laws of China                                          |  | 100               | %
|PAREXEL International Holding UK Ltd., a corporation organized under the laws of the United Kingdom           |  | 100               | %
|BVUD Research (India) Private Limited, a corporation organized under the laws of India                        |  | 100               | %
|PAREXEL International d.o.o., a corporation organized under the laws of Croatia                               |  | 100               | %
|PAREXEL International d.o.o., a corporation organized under the laws of Serbia                                |  | 100               | %
|PAREXEL Denmark A/S, a corporation organized under the laws of Denmark                                        |  | 100               | %
|PAREXEL International Holding Germany GmbH, a corporation organized under the laws of Germany                 |  | 100               | %
|PAREXEL International Mexico Services S.A. DE C.V., a corporation organized under the laws of Mexico          |  | 100               | %
|PAREXEL Dutch Holding C.V., a corporation organized under the laws of the Netherlands                         |  | 100               | %
|PAREXEL International (Peru) S.A., a corporation organized under the laws of Peru                             |  | 100               | %
|PAREXEL Clinical Research (Philippines) Ltd. Corp., a corporation organized under the laws of the Philippines |  | 100               | %
|PAREXEL IP AG, a corporation organized under the laws of Switzerland                                          |  | 100               | %
|PAREXEL International (Thailand) Co., Ltd., a corporation organized under the laws of Thailand                |  | 100               | %
|ClinPhone Developments Ltd., a corporation organized under the laws of the United Kingdom                     |  | 100               | %
|ClinPhone Group Ltd., a corporation organized under the laws of the United Kingdom                            |  | 100               | %
|ClinPhone Limited, a corporation organized under the laws of the United Kingdom                               |  | 100               | %
|Castlegate 211 Limited, a corporation organized under the laws of the United Kingdom                          |  | 100               | %
|Castlegate 252 Limited, a corporation organized under the laws of the United Kingdom                          |  | 100               | %
|Castlegate 283 Limited, a corporation organized under the laws of the United Kingdom                          |  | 100               | %
|Castlegate 284 Limited, a corporation organized under the laws of the United Kingdom                          |  | 100               | %



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|                                                                                            |  |                   |  
|------------------------------------------------------------------------------------------- |  | ----------------- | -
|Subsidiary                                                                                  |  | PAREXELOwnership* |  
|Random Access Services Ltd., a corporation organized under the laws of the United Kingdom   |  | 100               | %
|Allo Language Services Ltd., a corporation organized under the laws of the United Kingdom   |  | 100               | %
|ClinPhone California Inc., a corporation organized under the laws of California             |  | 100               | %
|ClinPhone Inc., a corporation organized under the laws of Delaware                          |  | 100               | %
|DataLabs Inc., a corporation organized under the laws of Delaware                           |  | 100               | %
|PAREXEL International Dutch Holding LLC, a corporation organized under the laws of Delaware |  | 100               | %



|* | direct and indirect
|- | -------------------