HSBC USA Inc 06 10-K Pt 9/10

HSBC Holdings PLC
05 March 2007


                                                                      Exhibit 32

Certification of Chief Executive Officer and Chief Financial Officer pursuant to
     Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350)

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. (HUSI), a Maryland corporation, does
hereby certify, to such officer's knowledge, that:

The Annual Report on Form 10-K for the fiscal year ended December 31, 2006 (the
Form 10-K) of HUSI fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934 and the information contained in
the Form 10-K fairly presents, in all material respects, the financial condition
and results of operations of HUSI.

Date: March 5, 2007                       /s/ Paul J. Lawrence
                                        -------------------------------------
                                          Paul J. Lawrence
                                          President and Chief Executive Officer

Date: March 5, 2007                       /s/ John J. McKenna
                                        -------------------------------------
                                          John J. McKenna
                                          Senior Executive Vice President and
                                          Chief Financial Officer

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