EXHIBIT31.2

CERTIFICATION OF FINANCIAL OFFICER PURSUANT TO 18U.S.C. SECTION 135D, AS ADOPTED PURSUANT TO SECTION 302 OFTHE SARBANES-OXLEY ACT OF 2002

I, John S. Brittain, Jr.,certify that:

1.    I have reviewed this quarterly report onForm 10-Q of Quanta Capital Holdings Ltd.;

2.    Based on myknowledge, this report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make thestatements made, in light of the circumstances under which suchstatements were made, not misleading with respect to the period coveredby this report;

3.    Based on my knowledge, the financialstatements, and other financial information included in this report,fairly present in all material respects the financial condition,results of operations and cash flows of the registrant as of, and for,the periods presented in this report;

4.    Theregistrant's other certifying officer and I are responsible forestablishing and maintaining disclosure controls and procedures (asdefined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for theregistrant and have:

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|  | a.  | Designed suchdisclosure controls and procedures, or caused such disclosure controlsand procedures to be designed under our supervision, to ensure thatmaterial information relating to the registrant, including itsconsolidated subsidiaries, is made known to us by others within thoseentities, particularly during the period in which this report is beingprepared; |

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|  | b.  | Evaluated the effectiveness of theregistrant's disclosure controls and procedures and presented inthis report our conclusions about the effectiveness of the disclosurecontrols and procedures, as of the end of the period covered by thisreport based on such evaluation; and |

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|  | c.  | Disclosed in this report any change in theregistrant's internal control over financial reporting thatoccurred during the registrant's most recent fiscal quarter (theregistrant's fourth fiscal quarter in the case of an annualreport) that has materially affected, or is reasonably likely tomaterially affect, the registrant's internal control overfinancial reporting; |

5.    The registrant's othercertifying officer and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to theregistrant's auditors and the audit committee ofregistrant's board of directors (or persons performing theequivalent functions):

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|  | a.  | All significantdeficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likelyto adversely affect the registrant's ability to record, process,summarize and report financial information; and |

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|  | b.  | Any fraud, whether or not material, thatinvolves management or other employees who have a significant role inthe registrant's internal control over financial reporting. |

Date: November 4, 2004

/s/ John S. Brittain,Jr.                 John S. Brittain, Jr.(Principal Financial Officer)

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