Exhibit12.2 

 I,    Renato Fassbind, certify that:  1.                                  I have reviewed this annual report on Form 20-F                                of Credit Suisse Group;  2.                                Based on my knowledge, this report does not contain                                any untrue statement of a material fact or omit                                to state a material fact necessary to make the                                statements made, in light of the circumstances                                under which such statements were made, not misleading                              with respect to the period covered by this report;  3.                                Based on my knowledge, the financial statements,                                and other financial information included in this                                report, fairly present in all material respects                                the financial condition, results of operations                                and cash flows of the registrant as of, and for,                              the periods presented in this report;  4.                                The registrant’s other certifying officers                                and I are responsible for establishing and maintaining                                disclosure controls and procedures (as defined                                in Exchange Act Rules 13a-15e and 15d-15e) for                              the registrant and we have:  a)                                      designed such disclosure controls and procedures,                                      or caused such disclosure controls and procedures                                      to be designed under our supervision, to                                      ensure that material information relating                                      to the registrant, including its consolidated                                      subsidiaries, is made known to us by others                                      within those entities, particularly during                                      the period in which this report is being                                    prepared;  b)                                      evaluated the effectiveness of the registrant’s                                      disclosure controls and procedures and presented                                      in this report our conclusions about the                                      effectiveness of the disclosure controls                                      and procedures, as of the end of the period                                      covered by this report based on such evaluation;                                    and  c)                                      disclosed in this report any change in the                                      registrant’s internal control over                                      financial reporting that occurred during                                      the period covered by the annual report that                                      has materially affected, or is likely to                                      materially affect, the registrant’s                                      internal control over financial reporting;                                    and  5.                                      The registrant’s other certifying officers                                      and I have disclosed, based on our most recent                                      evaluation of internal control over financial                                      reporting, to the registrant’s auditors                                      and the audit committee of the registrant’s                                      board of directors (or persons performing                                    the equivalent functions):  a)                                      all significant deficiencies and material                                      weaknesses in the design or operation of                                      internal control over financial reporting                                      which are reasonably likely to adversely                                      affect the registrant’s ability to                                      record, process, summarize and report financial                                    information; and  b)                                      any fraud, whether or not material, that                                      involves management or other employees who                                      have a significant role in the registrant’s                                    internal control over financial reporting.  Dated:                              March 30, 2006 /s/ Renato Fassbind  Name:                              Renato Fassbind  Title:                                  Chief Financial Officer