HSBC USA Q1 2005 906 Form

HSBC Holdings PLC
16 May 2005



                                                                    Exhibit 32.0

Certification of Chief Executive Officer and Chief Financial Officer pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002.
--------------------------------------------------------------------------------

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and
(b) of section 1350, chapter 63 of title 18, United States Code), each of the
undersigned officers of HSBC USA Inc., a Maryland corporation (HUSI), does
hereby certify, to such officer's knowledge, that:

The Quarterly Report on Form 10-Q for the quarter ended March 31, 2005 (the Form
10-Q) of HUSI fully complies with the requirements of section 13(a) or 15(d) of
the Securities Exchange Act of 1934 and information contained in the Form 10-Q
fairly presents, in all material respects, the financial condition and results
of operations of HUSI.


Date: May 16, 2005                        /s/ Martin J. G. Glynn
                                          --------------------------------------
                                          Martin J. G. Glynn
                                          President and Chief Executive Officer


Date: May 16, 2005                        /s/ Roger K. McGregor
                                          --------------------------------------
                                          Roger K. McGregor
                                          Senior Executive Vice President and
                                          Chief Financial Officer

The foregoing certification is being furnished solely pursuant to section 906 of
the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter
63 of title 18, United States Code) and is not being filed as part of the Form
10-Q or as a separate disclosure document.

A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the electronic version of this written statement
required by Section 906, has been provided to HSBC USA Inc. and will be retained
by HSBC USA Inc. and furnished to the United States Securities and Exchange
Commission or its staff upon request.


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