EXHIBIT 32.1
                   ADVANCED COMMUNICATIONS TECHNOLOGIES, INC.
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 Advanced Communications
Technologies, Inc. (the "Company") on Form 10-QSB for the period ended September
30, 2006 as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, Wayne I. Danson, President and 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.

      A signed original of this written statement required by Section 906 has
been provided to Advanced Communications Technologies, Inc. and will be retained
by Advanced Communications Technologies, Inc. and furnished to the Securities
and Exchange Commission or its staff upon request.

Date: November 13, 2006


/s/ Wayne I. Danson
- ---------------------------------------
Wayne I. Danson
President and Chief Executive Officer