EXHIBIT 32.2

                            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 Quanta Capital Holdings Ltd. (the
"Company") on Form 10-Q for the fiscal quarter ended June 30, 2006 as filed with
the Securities and Exchange Commission on the date hereof (the "Report") and
pursuant to 18 U.S.C. Section 1350, as adopted in Section 906 of the
Sarbanes-Oxley Act of 2002, I, Jonathan J. R. Dodd, Chief Financial Officer of
the Company, certify that to the best of my knowledge:

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: August 9, 2006


/s/ Jonathan J.R. Dodd
---------------------------------
Jonathan J. R. Dodd
(Principal Financial Officer)

This certification is not deemed to be "filed" for purposes of section 18 of the
Securities Exchange Act of 1934, or otherwise subject to the liability of that
section. This certification is not deemed to be incorporated by reference into
any filing under the Securities Act of 1933 or Securities Exchange Act of 1934,
except to the extent that the Company specifically incorporates it by reference.