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Contact Us

OneBeacon Customers

Please contact your OneBeacon insurance agent or broker. He or she can answer questions about your coverage quickly and specifically, and make any changes to your policy.

Billing Questions

For questions about your bill or to speak with a member of our Customer Service team, call 877.624.7775 between 8 a.m. and 5 p.m. ET Monday - Friday.

Claims Questions

To check on the status of an existing claim or to speak to a OneBeacon Claims representative, call 877.248.3455

All Other Customer Service Matters

For all other inquiries, please call our Customer Service Center at 800.662.0156 between 8 a.m. and 5 p.m. ET Monday - Friday.

Corporate Office Locations:

U.S. Corporate Headquarters:
605 Highway 169 North
Suite 800
Plymouth, MN  55441

Corporate Headquarters:
14 Wesley Street
5th Floor
Hamilton HM 11

Registered Office:
Clarendon House
2 Church Street
Hamilton HM 11