TCS’ subsidiaries as on September 30, 2024 include the following:
- Tata America International Corporation
- Tata Consultancy Services Canada Inc.
- Tata Consultancy Services Argentina S.A.
- Tata Consultancy Services Chile S.A.
- Tata Consultancy Services De Mexico, S.A. De C.V.
- Tata Consultancy Services Do Brasil Ltda.
- TCS Iberoamerica S.A.
- TCS Inversiones Chile Limitada
- TCS Solution Center S.A.
- Tatasolution Center S.A.
- MGDC S.C.
- TCS Uruguay S.A.
- Tata Consultancy Services Guatemala, S.A.
- Tata Consultancy Services Belgium
- Tata Consultancy Services De Espana S.A.
- Tata Consultancy Services Deutschland GmbH
- Tata Consultancy Services Italia S.R.L.
- Tata Consultancy Services Netherlands B.V.
- Tata Consultancy Services Sverige Aktiebolag
- Tata Consultancy Services (Portugal), Unipessoal Lda
- Diligenta Limited
- Tata Consultancy Services Luxembourg S.A.
- Tata Consultancy Services Switzerland Ltd
- Tata Consultancy Services France
- Tata Consultancy Services Saudi Arabia
- Tata Consultancy Services UK Limited
- TCS Business Services GmbH
- Tata Consultancy Services Bulgaria EOOD
- Tata Consultancy Services Ireland Limited
- TCS Technology Solutions GmbH
- Tata Consultancy Services Osterreich GmbH
- Diligenta (Europe) B.V.
- Tata Consultancy Services Asia Pacific Pte. Ltd.
- Tata Consultancy Services Malaysia Sdn. Bhd.
- TCS FNS Pty Limited
- TCS Financial Solutions Australia Pty Ltd
- Tata Consultancy Services Indonesia, PT
- Tata Consultancy Services (China) Co., Ltd.
- TCS Financial Solutions (Beijing) Co., Ltd.
- Tata Consultancy Services (Thailand) Limited
- Tata Consultancy Services (Philippines) Inc.
- Tata Consultancy Services Japan, Ltd.
- APTOnline Limited
- C-Edge Technologies Limited
- MP Online Limited
- TCS e-Serve International Limited
- MahaOnline Limited
- Tata Consultancy Services (Africa) (Proprietary) Limited
- Tata Consultancy Services (South Africa) (Proprietary) Limited
- Tata Consultancy Services Qatar
- TCS Foundation
- MGDC, S.C.
- Diligenta (Europe) B.V. (Incorporated as Subsidiary of Diligenta Limited wef September 14, 2023)
- Tata Consultancy Services Argentina Sociedad Anonima