EXHIBIT 21

LIST OF SUBSIDIARIES

Sapient Australia Pty. Ltd. (Australian company, wholly-owned)

Sapient Canada Inc. (Ontario corporation, wholly-owned)

Sapient Corporation Private Limited (India company, wholly-owned)

Sapient GmbH (German company, wholly-owned)

Sapient Government Services, Inc. (Delaware corporation, wholly-owned)

Sapient Limited (UK limited liability company, wholly-owned)

Sapient Netherlands B.V. (Netherlands company, wholly-owned)

Sapient Sweden AB (Sweden company, wholly-owned)

Sapient Securities Corporation (Massachusetts corporation, wholly-owned)

Sapient Switzerland AG (Swedish company, wholly-owned)