The White Mountains provide long-term support to businesses in the insurance and related financial services industries. It is an insurance group based in Hanover, New Hampshire, United States. white Mountains Insurance group is parented by OneBeacon whereas its subsidiaries are WM KAOLIN (LUXEMBOURG) SAR.L., LONE TREE HOLDINGS LTD, Folksamerica Specialty Underwriting, Inc (FSUI), WHITE MOUNTAINS HOLDINGS (LUXEMBOURG) SAR.L., HG Global Ltd., GALILEO WEATHER RISKS ADVISORS Ltd, Autosaint Limited, SIRIUS INTERNATIONAL INSURANCE CORPORATION, OneBeacon Insurance Group Ltd, ESURANCE HOLDINGS INC, White Mountains Capital, Inc. and OneBeacon HOLDINGS (LUXEMBOURG) SAR.L.
White Mountains Group is a diversified insurance and related financial services holding company based in Hamilton, Bermuda. Redomiciled from Delaware, United States. But headquartered in New Hampshire, United States. Most of the business and insurance coverages are served and provided through registered and affiliated insurance subsidiaries. Automobile insurer Esurance was also sold by the White Mountains to the new buyer Allstate Insurance.
To have a satisfied network along with clients, customers, agents, and staff, White Mountains has state of art customer satisfaction with a high range of customer service medians, contact management staff, and support providers. They are always welcoming old and returning clients with timely support, customer service, and providing required knowledge and information to the customers.
Company Profile:

Founded | 1980 |
Type | Insurance Group |
Parent | OneBeacon |
Category | Multiple Insurance companies holding group, United States |
Revenue | High |
Employees | 100k+ |
Founder | John J. Byrne |
- Recommended Coverage: Farm and Business Insurance
- Location: Hanover
Coverage to Members:
- Personal Insurance
- Business Coverage
- Casulaity and Property
- Automobile and Watercrafts
- Umbrella and Annuites
- Farm
Contact Details:
- Helpline Phone Number: 441-278-3160
- Email: info@whitemountains.com
- Company Headquarter Address: Hanover, New Hampshire, United States
- Mailing Address: 23 South Main Street, Suite 3B, Hanover, New Hampshire 03755
- Customer Service Telephone: 603-640-2200
- Website: http://www.whitemountains.com/
Insurance Claims:
If you want to claim, check the number below.
Report and Check Claim status alongside Emergency Assistance:
Claims Center: 603-640-2200
If you have any queries regarding the company, you can post them in the comments below.