Exhibit 31.2

# CERTIFICATION PURSUANT
TO SECTION 302 OF THESARBANES-OXLEY ACT OF
2002

I,
Peter C. Grabowski, certify that:

(1)       
          I have reviewed this quarterly report on Form 10-Q of Gevity HR, Inc.;

(2)       
          Based on my knowledge, this report does not contain any untrue statement of a
          material fact or omit to state a material fact necessary to make the statements
          made, in light of the circumstances under which such statements were made, not
          misleading with respect to the period covered by this report;

(3)       
          Based on my knowledge, the financial statements, 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 company as of, and for,
          the periods presented in this report;

(4)       
          The companys other certifying officer and I are responsible for
          establishing and maintaining disclosure controls and procedures (as defined in
          Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial
          reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15 (f)) for the
          company and have:

| | a. | designed such disclosure controls and procedures, or caused such disclosure
                    controls and procedures to be designed under our supervision, to ensure that
                    material information relating to the company, including its consolidated
                    subsidiaries, is made known to us by others within those entities, particularly
                    during the period in which this report is being prepared;
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| | b. | designed such internal control over financial reporting, or caused such internal
                    control over financial reporting to be designed under our supervision, to
                    provide reasonable assurance regarding the reliability of financial reporting
                    and the preparation of financial statements for external purposes in accordance
                    with generally accepted accounting principles;
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| | c. | evaluated the effectiveness of the companys disclosure controls and
                    procedures and presented in this report our conclusions about the effectiveness
                    of the disclosure controls and procedures, as of the end of the period covered
                    by this report based on such evaluation; and
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| | d. | disclosed in this report any change in the companys internal control over
                    financial reporting that occurred during the companys most recent fiscal
                    quarter that has materially affected, or is reasonably likely to materially
                    affect, the companys internal control over financial reporting; and;
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(5)       
          The companys other certifying officer and I have disclosed, based on our
          most recent evaluation of internal control over financial reporting, to the
          companys auditors and the audit committee of the companys board of
          directors:

| | a. | all significant deficiencies and material weaknesses in the design or operation
                    of internal control over financial reporting which are reasonably likely to
                    adversely affect the companys ability to record, process, summarize and
                    report financial information; and
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| | b. | any fraud, whether or not material, that involves management or other employees
                    who have a significant role in the companys internal control over
                    financial reporting.
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|Date: May 9, 2005 |  | /s/ Peter  C. GrabowskiPeter C. Grabowski Chief Financial Officer
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