SCHEDULE 14

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. )

Filed by the Registrant x

Filed by a Party other than the Registrant o

Check the appropriate box:

o Preliminary Proxy Statement

o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

o Definitive Proxy Statement

x Definitive Additional Materials

o Soliciting Material Under Rule 14a-12

GEVITY HR, INC.

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

x	No fee required.
o	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	(1)	Title of each class of securities to which transaction applies:
	(2)	Aggregate number of securities to which transaction applies:
	(3)	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
	(4)	Proposed maximum aggregate value of transaction:
	(5)	Total fee paid:

o	Fee paid previously with preliminary materials.
o	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
	(1)	Amount Previously Paid:
	(2)	Form, Schedule or Registration Statement No.:
	(3)	Filing Party:
	(4)	Date Filed:

EXPLANATORY NOTE

The following letter was sent to Gevity HR, Inc.’s shareholders of record as of March 15, 2005 in connection with the board of directors’ current solicitation of proxies for the registrant’s Annual Meeting of Shareholders to be held on May 12, 2005. This letter is being filed with the Securities and Exchange Commission on April 27, 2005 as definitive additional material pursuant to Rule 14a-6(c).

gevity

people 1st		your insourced HR department, providing:
	workforce alignment
	administrative relief
	business protection

IMPORTANT REMINDER

April 27, 2005

Dear Fellow Shareholder:

We have previously mailed to you proxy materials relating to the Annual Meeting of Shareholders of Gevity HR, Inc. to be held on Thursday, May 12, 2005. Your vote is important no matter how many shares you hold.

According to our latest records, we have not received your voting instructions for this important Annual Meeting. Please vote today to avoid unnecessary solicitation costs to the Company.

You may use one of the following simple methods for promptly providing your voting instructions:

1.	Vote by Telephone. Call the toll-free number listed for this purpose on your voting instruction form. Have your 12-digit control number listed on the form ready and follow the simple instructions.
2.	Vote by Internet. Go to the website www.proxyvote.com listed on your voting instruction form. Have your 12-digit control number listed on the form ready and follow the simple instructions.
3.	Vote by Mail. Sign, date and return your voting instruction form in the postage-paid return envelope provided.

For the reasons set forth in the Proxy Statement, dated April 8, 2005, your Board of Directors recommends that you vote “FOR” all the Proposals to be acted upon at the Annual Meeting.

Thank you for your cooperation and continued support.

Sincerely,

/s/ Erik Vonk

Erik Vonk

Chairman & Chief Executive Officer

Bradenton Office - 600 301 Boulevard West - Bradenton, Florida 34205 - tel 1.800.2GEVITY (1.800.243.8489) - www.gevity.com