EXHIBIT 99.1

    CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
                 SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of PFSweb, Inc. (the "Company") on Form
10-Q for the period ended September 30, 2002 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Mark C. Layton, Chief
Executive Officer of the Company, certify, pursuant to 18 U.S.C. section 1350,
as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company.


                                                   /s/ Mark C. Layton
                                                   -----------------------
                                                   Mark C. Layton
                                                   Chief Executive Officer
                                                   November 14, 2002