1 EXHIBIT 23.3 SECURITIES DATA COMPANY We hereby consent to the use of the information we provided for use in the Registration Statement relating to the offering of Medium-Term Notes by The Goldman Sachs Group, Inc. and to the references to our name in the Registration Statement, including under the caption "Experts". Securities Data Company, A division of Thomson Information Services /s/ Kenneth J. Seng - -------------------- Kenneth J. Seng Director, Account Management & Client Training March 26, 1999