White Mountains Insurance Group

26 Reid Street
Hamilton HM 11, Bermuda

80 South Main Street
Hanover, New Hampshire 03755

265 Franklin Street, 9th Floor
Boston, Massachusetts 02110

200 Hubbard Road
Guilford, Connecticut 06437

White Mountains Insurance Group (NYSE: WTM) is a Bermuda-domiciled financial services holding company with business interests in property and casualty insurance and reinsurance. They own and manage businesses seeking a stable, sophisticated partner to drive value creation. White Mountains has owned many different insurance companies over the last few decades. The company was founded by Jack Byrne in the 1980’s.

This contact information and hyperlink were last verified on 1/4/2019. If this information is incorrect please comment below or use the contact us form to let us know so that we can make changes.