Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT AS OF DECEMBER 31, 2001 Multex.com International, Inc. Delaware Market Guide Inc. New York BuzzCompany.com Inc. Delaware Multex A Acquisition Corp. (Sage Online) Delaware Multex Earnings U.K., Ltd. United Kingdom Milvia, Ltd. United Kingdom Multex Holdings, Ltd. United Kingdom Multex.com Cayman L.P. Cayman Islands