EX-21.1

         SUBSIDIARIES OF REGISTRANT

                                                                    EXHIBIT 21.1



                                                              STATE/COUNTRY OF
SUBSIDIARIES OF REGISTRANT                                    INCORPORATION
                                                           
AIMS Management Consultants Private Ltd.                      India
Computer & Communications Information                         New Jersey
  Group, Inc. (dba Datapro Information
  Services)
Computer Consultancy Group, Limited                           United Kingdom
Computer Consultancy Group (Management), Limited              United Kingdom
Computer Financial Consultants, Inc.                          Delaware
Computer Financial Consultants, Limited                       United Kingdom
Dataquest Australia Pty. Ltd.                                 Australia
Dataquest, Incorporated                                       California
Decision Drivers, Inc.                                        Delaware
G.G. Canada, Inc.                                             Delaware
G.G. Credit, Inc.                                             Delaware
G.G. Global Holdings, Inc.                                    Delaware
G.G. Properties, Ltd.                                         Bermuda
G.G. West Corporation                                         Delaware
Gartner Australasia Pty Ltd.                                  Australia
Gartner (Cambridge) Holdings, Inc.                            Delaware
Gartner Danmark ApS                                           Denmark
Gartner Deutschland, GmbH                                     Germany
Gartner do Brasil, S/C Ltda.                                  Brazil
Gartner Enterprises, Ltd.                                     Delaware
Gartner Europe Holdings, B.V.                                 The Netherlands
Gartner Financial Services Company                            Ireland
Gartner France S.A.R.L.                                       France
Gartner Fund I, Inc.                                          Delaware
Gartner Fund II, Inc.                                         Delaware
Gartner Group Advisory (Singapore) PTE Ltd.                   Singapore
Gartner Group Argentina, S.A.                                 Argentina
Gartner Group Austria GmbH                                    Austria
Gartner Group Belgium BVBA                                    Belgium
Gartner Group Canada Co.                                      Nova Scotia
Gartner Group Chile, S.A.                                     Chile
Gartner Group FSC, Inc.                                       Barbados
Gartner Group Hong Kong, Ltd.                                 Hong Kong
Gartner Group Learning, Inc.                                  Minnesota
Gartner Group Research (Thailand) Ltd.                        Thailand
Gartner Group Taiwan Ltd.                                     Taiwan
Gartner Holdings Ireland, Limited                             Ireland
Gartner Investments I, LLC                                    Delaware
Gartner Investments II, LLC                                   Delaware
Gartner Ireland, Limited                                      Ireland
Gartner Italia, S.r.L.                                        Italy
Gartner (Korea), Inc.                                         Delaware
Gartner Japan Ltd.                                            Japan
Gartner Mexico S. DE R.L.DE C.V.                              Mexico
Gartner Nederland B.V.                                        The Netherlands


                                                           
Gartner Norge A/S                                             Norway
Gartner Sverige AB                                            Sweden
Gartner Switzerland AG                                        Switzerland
Gartner UK Ltd.                                               United Kingdom
Griggs-Anderson, Inc.                                         Delaware
National Institute for Management Technology Limited          Ireland
People3, Inc.                                                 Delaware
SI Venture Associates, L.L.C.                                 Delaware
SI Venture Fund II, LP                                        Delaware
The IT Management Programme Limited                           United Kingdom
The Research Board, Inc.                                      Delaware
The Warner Group                                              California
Vision Events International, Inc.                             Delaware
Wentworth Research Limited                                    United Kingdom