There are several ways to contact OneBeacon. Please select the option most appropriate to you below. A full listing of OneBeacon locations is below.

OneBeacon Customers

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

Claims

Please contact our 24-hour Claims Center. Personal Lines: (877) 248 4968; Commercial Lines: (877) 248 3455

Billing

Please call OneBeacon's automated billing information service at (877) 434 3900 Monday through Friday from 8:00 a.m. - 5:00 p.m. ET. You will need your Personal Access Code and ID Number located on the front of your bill. You can also email Personal Customer Service or Commercial Customer Service. Be sure to include your policy number in your correspondence.

Interested in Becoming a OneBeacon Customer?

Please contact a OneBeacon agency partner by clicking on "Find an agent" in the upper right-hand corner of this screen.

Interested in Becoming a OneBeacon Agent?

Please view the listing of office locations below, find the office nearest you, and contact the person who represents the line of business you write. You can also send an email to our general mailbox. Please include the lines of business you write and the city and state where your office is located. Please note we do not write all lines of business in all areas.

Investor Relations

Please contact OneBeacon's Investor Relations department for questions about becoming a OneBeacon investor.

General Questions

Please send an email to our general mailbox. Be sure to include your name and contact information, as well as your policy number if you are a customer.

OFFICE LOCATIONS

Principal Executive Office:

601 Carlson Parkway
Minnetonka, MN 55305

U.S. Headquarters:

One Beacon Lane
Canton, MA 02021

Corporate Headquarters:

14 Wesley Street
5th Floor
Hamilton HM 11
Bermuda

Registered Office:

Clarendon House
2 Church Street
Hamilton, Bermuda

Personal Lines

Canton, MA

One Beacon Lane
Canton, MA 02021
Phone: (781) 332 7000
Eileen Stansbury
estansbury@onebeacon.com

Rocky Hill, CT

100 Corporate Place, 3rd Floor
Rocky Hill, CT 06067-0389
Phone: (860) 256 2820
Toll-Free: (877) 248 8656
Joan Roberts
jmroberts@onebeacon.com

Portland, ME

707 Sable Oaks Drive
South Portland, Maine 04106-3279
Phone: (207) 774 1431
Norma Fossett
nfossett@onebeacon.com

Buffalo, NY

6400 Sheridan Drive
P.O. Box 50
Williamsville, NY 14240-0050
Phone: (716) 932 1500
Personal Lines: Sandra Larkin
slarkin@onebeacon.com

Woodbury, NY

1000 Woodbury Road
Woodbury, NY 11797
Phone: (516) 682-2100
Personal Lines: Mark McDonnell
mjmcdonnell@onebeacon.com

Specialty

OneBeacon Accident & Health

Stephen Mueller
smueller@onebeacon.com
Phone: 973-630-6628

OneBeacon Government Risks

Jeff Richardson
jrichardson@onebeacon.com
Phone: (303) 531 3816

Entertainment Brokers International

Martin Ridgers
mridgers@ebi-ins.com
Phone: (310) 824 0111

OneBeacon Energy Group

Dan Guida
dguida@onebeacon.com
Phone: (212) 440 6585

Collector Car and Boat

Hagerty Insurance Agency, Inc.
www.hagerty.com
Phone: (800) 922 4050

Technology

Matt Mueller
mmueller@onebeacon.com

Financial Services

Craig Collins
ccollins@onebeacon.com

Property Inland Marine

Don Keahon
dkeahon@onebeacon.com

Contact Us