UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(D) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

         Date of report (Date of earliest event reported): March 2, 2006
                        --------------------------------

                          QUANTA CAPITAL HOLDINGS LTD.
             (Exact name of registrant as specified in its charter)

                        --------------------------------

                        Commission File Number: 000-50885


             BERMUDA                                           N/A
 (State or other jurisdiction of                        (I.R.S. Employer
  incorporation or organization)                        Identification No.)


                         1 Victoria Street, Fourth Floor
                                  Hamilton HM11
                                     Bermuda

              (Address of principal executive offices and zip code)

                                  441-294-6350
              (Registrant's telephone number, including area code)


     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

     [ ]Written communications pursuant to Rule 425 under the Securities Act (17
CFR 230.425)

     [ ]Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
CFR 240.14a-12)

     [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (17 CFR 240.14d-2(b))

     [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
Exchange Act (17 CFR 240.13e-4(c))



ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On March 2, 2006, Quanta Capital Holdings Ltd. (the "Company") issued a press
release and held an earnings conference call to discuss its preliminary results
of operations for the fourth quarter ended December 31, 2005. The results remain
preliminary and subject to final review by the Company's auditors. The Company
also discussed A.M. Best's decision to downgrade the Company's financial
strength rating from A- (Excellent) to B++ (Very Good). A copy of the press
release and a transcript of the conference call are being furnished with this
Form 8-K as Exhibits 99.1 and 99.2.

The information in this Item 2.02 of this Form 8-K and the Exhibits attached
hereto shall not be deemed "filed" for purposes of Section 18 of the Securities
Exchange Act of 1934, nor shall it be deemed incorporated by reference in any
filing under the Securities Act of 1933, except as shall be expressly set forth
by specific reference in such filing.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits


Exhibit
Number          Description
-----------     ----------------------------------------------------------------
99.1            Press Release dated March 2, 2006.
-----------     ----------------------------------------------------------------
99.2            Transcript of Conference Call Conducted by the Company on
                March 2, 2006.
-----------     ----------------------------------------------------------------





                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, as
amended, the registrant has duly caused this report to be signed on its behalf
by the undersigned thereunto duly authorized.


                                              QUANTA CAPITAL HOLDINGS LTD.


     Date: March 8, 2006                      /s/ Robert Lippincott III
                                              ----------------------------------
                                              Robert Lippincott III
                                              Interim Chief Executive Officer









                                INDEX TO EXHIBITS



Exhibit
Number          Description
-----------     ----------------------------------------------------------------
99.1            Press Release dated March 2, 2006.
-----------     ----------------------------------------------------------------
99.2            Transcript of Conference Call Conducted by the Company on
                March 2, 2006.
-----------     ----------------------------------------------------------------