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 19, 2008

ACE LIMITED

(Exact name of registrant as specified in its charter)

Cayman Islands	1-11778	98-0091805
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

ACE Global Headquarters

17 Woodbourne Avenue

Hamilton HM 08 Bermuda

(Address of principal executive offices)

Registrant’s telephone number, including area code: (441) 295-5200

Not applicable

(Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

¨ 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 7.01 Regulation FD Disclosure

The Company issued a press release on March 19, 2008 announcing that its board of directors has approved a re-domestication of the Company to move its place of incorporation from the Cayman Islands to Zurich, Switzerland. ACE’s shareholders will be asked to vote in favor of the proposal at ACE’s Annual General Meeting, which will be scheduled for July in Hamilton, Bermuda. If approved by ACE’s shareholders, and subject to certain regulatory approvals, ACE expects the re-domestication to be effective in July 2008. In connection with the re-domestication, ACE plans to establish a corporate holding company office in Zurich.

A copy of the press release is attached as Exhibit 99.1 hereto and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit Number	Description
99.1	Press Release dated March 19, 2008

2

SIGNATURES

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

	ACE LIMITED
	By:	/s/ Robert F. Cusumano
		Robert F. Cusumano
		General Counsel
DATE: March 20, 2008