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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 or broker. 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 at (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. More Billing Information

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 Distribution Partner?

Please view the listing of office locations below and contact the person who represents the line of business you write.

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.

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

Specialty

International Marine Underwriters (Ocean Marine)

Greg Gutchigian
ggutchigian@onebeacon.com
www.imu.com

OneBeacon Professional Insurance (Professional Liability)

Phone: (860)-773-6150
www.onebeaconpro.com
R. P. Hallenbeck, III
RHallenbeck@OneBeacon.com

A.W.G Dewar (Tuition Refund)

trp@dewarinsurance.com
www.tuitionrefundplan.com/launch/launch_flash.html

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

OneBeacon Technology Group

Matt Mueller
mmueller@onebeacon.com

OneBeacon Financial Services

Craig Collins
ccollins@onebeacon.com

Property and Inland Marine

Don Keahon
dkeahon@onebeacon.com 

OneBeacon Specialty Property

Jim Heitkemper
jheitkemper@onebeacon.com