Exhibit

Exhibit 21.1

FAIR ISAAC CORPORATION
SUBSIDIARIES



Name of Company	Jurisdiction of Incorporation/Organization

HNC Software LLC⁽¹⁾	Delaware
Infoglide Software Corporation ⁽¹⁾	Delaware
Fair Isaac Holdings, Inc. ⁽¹⁾	Delaware
Data Research Technologies, Inc. ⁽²⁾	Minnesota
Fair Isaac Credit Services, Inc.⁽²⁾	Delaware
Fair Isaac Network, Inc.⁽²⁾	Delaware
CR Software, LLC ⁽²⁾	Virginia
myFICO Consumer Services Inc. ⁽²⁾	Delaware
eZmCom, Inc. ⁽²⁾	Delaware
Eighth Intuition Sdn Bhd. ⁽³⁾	Malaysia
Entiera, Inc. ⁽¹⁾	Delaware
Fair Isaac International Corporation ⁽¹⁾	California
Fair Isaac Hong Kong Limited ⁽⁴⁾	Hong Kong
Fair Isaac Canada, Ltd. ⁽⁴⁾	Canada
Fair Isaac Asia Pacific Corp. ⁽⁴⁾	Delaware
Fair Isaac Japan G.K. ⁽⁵⁾	Japan
Fair Isaac Brazil, LLC ⁽⁴⁾	Delaware
Fair Isaac do Brasil, Ltda. ⁽⁶⁾	Brazil
Fair Isaac Asia Holdings, Inc. ⁽⁴⁾	Minnesota
Fair Isaac Information Technology (Beijing) Co., Ltd. ⁽⁷⁾	China
Fair Isaac India Software Private Limited ⁽⁸⁾	India
Fair Isaac UK Holdings, Inc. ⁽⁴⁾	Delaware
Fair Isaac UK Investment Holdings LP ⁽⁹⁾	England and Wales
Fair Isaac (Singapore) Pte. Ltd.⁽¹⁰⁾	Singapore
Fair Isaac UK Group Limited ⁽¹⁰⁾	England and Wales
Fair Isaac UK International Holdings Ltd. ⁽¹¹⁾	England and Wales
Fair Isaac Software Holdings Limited ⁽¹²⁾	England and Wales
Fair Isaac Chile Software and Services Ltda.⁽¹³⁾	Chile
Fair Isaac South Africa (Pty) Ltd ⁽¹⁴⁾	South Africa
Fair Isaac Services Limited ⁽¹⁴⁾	England and Wales
Fair Isaac (Adeptra) Limited ⁽¹⁴⁾	England and Wales
Fair Isaac Germany GmbH ⁽¹⁴⁾	Germany
Fair Isaac Europe Limited ⁽¹⁴⁾	England and Wales
Fair Isaac Turkey Software and Consultancy Services Limited Sirketi ⁽¹⁵⁾	Turkey
Fair Isaac Lithuania, UAB ⁽¹⁵⁾	Lithuania
Fair Isaac Italy S.r.l. ⁽¹⁵⁾	Italy
Fair Isaac Polska sp. z.o.o. ⁽¹⁵⁾	Poland
Fair Isaac Nordics AB ⁽¹⁵⁾	Sweden
Fair Isaac España SL ⁽¹⁵⁾	Spain

Exhibit 21.1



FICO Middle East FZ-LLC ⁽¹⁵⁾	Dubai, UAE
Fair Isaac (ASPAC) Pte. Ltd. ⁽¹⁴⁾	Singapore
Fair Isaac (Australia) Pty Ltd ⁽¹⁶⁾	Australia
Fair Isaac (Thailand) Co., Ltd. ⁽¹⁷⁾	Thailand
Fair Isaac WBR Limited Liability Company ⁽¹⁸⁾	Russia
Fair Isaac Mexico S.A. de C.V. ⁽¹⁹⁾	Mexico

^{___________________________________}

^Footnotes:


⁽¹⁾	^{100% owned by Fair Isaac Corporation}


⁽²⁾	^{100% owned by Fair Isaac Holdings, Inc.}


⁽³⁾	^{100% owned by eZmCom, Inc.}


⁽⁴⁾	^{100% owned by Fair Isaac International Corporation}


⁽⁵⁾	^{100% owned by Fair Isaac Asia Pacific Corp.}


⁽⁶⁾	^{99% owned by Fair Isaac International Corporation and 1% owned by Fair Isaac Brazil, LLC}


⁽⁷⁾	^{100% owned by Fair Isaac Asia Holdings, Inc.}


⁽⁸⁾	^{99.99% owned by Fair Isaac International Corporation and .01% owned by Fair Isaac Corporation}


⁽⁹⁾	^{99.99% owned by FI UK Holdings, Inc. and .01% owned by Fair Isaac International Corporation}


⁽¹⁰⁾	^{100% owned by Fair Isaac Investment Holdings LP}


⁽¹¹⁾	^{100% owned by Fair Isaac UK Group Limited}


⁽¹²⁾	^{100% owned by Fair Isaac UK International Holdings Ltd.}


⁽¹³⁾	^{99.98% owned by Fair Isaac Software Holdings Limited and .02% owned by Fair Isaac Services Limited}


⁽¹⁴⁾	^{100% owned by Fair Isaac Software Holdings Limited}


⁽¹⁵⁾	^{100% owned by Fair Isaac Europe Limited}


⁽¹⁶⁾	^{100% owned by Fair Isaac (ASPAC) Pte. Ltd.}


⁽¹⁷⁾	^{99.98% owned by Fair Isaac International Corporation, .01% owned by Fair Isaac Asia Holdings, Inc. and .01% owned by Fair Isaac Asia Pacific Corp.}


⁽¹⁸⁾	^{99% owned by Fair Isaac International Corporation and 1% owned by Fair Isaac Corporation}


⁽¹⁹⁾	^{50% owned by Fair Isaac Corporation and 50% owned by Fair Isaac International Corporation}