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 March 31, 2005 as filed
with the Securities and Exchange  Commission on the date hereof (the Report), I,
Wayne I. Danson, President and Chief Financial Officer of the Company,  certify,
pursuant  to 18 U.S.C.  ss.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.


Date:  May 23, 2005

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

A signed  original of this written  statement  required by Section 906, or other
document  authentications,  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 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.