Global Surety

Liberty Mutual Surety™, a business unit of Liberty Mutual Insurance, is the second largest surety in the U.S. and a leading surety globally. With underwriting facilities in more than 15 countries and bonds throughout the world, we work with agents and customers to build mutually profitable relationships by providing smart business solutions, ease of doing business, and consistent, responsive service through knowledgeable surety professionals.

From first bond to jumbo capacity surety needs, Liberty Mutual Surety has the capabilities and professionals to underwrite all types of contractors and corporations. Through Liberty Mutual Insurance Group member companies, our certified U.S. Treasury underwriting limitation is among the highest in the industry.

Through affiliated companies and strategic fronting relationships, we are a leading provider of foreign bonds for U.S. companies, and domestic bonds for foreign companies operating in the U.S.

Our experienced staff

Because we are a global company, our skilled underwriters are trained to do business in various countries throughout the world. This means they know the countries’ legal, economic and political climates, which can make all the difference in underwriting a bond and successfully placing it internationally.

Our centralized Global Service Center is designed to support the needs of our international underwriters. Whether a bond needs to be placed through one of our many fronting partners or through another Liberty entity, our GSC is equipped to handle your needs.

Contract Products
​With industry-leading bond program capacity, Liberty Mutual underwrites all types and sizes of local, regional, national, and multinational contractors.

Our experience extends to many types of public and private construction including schools, office buildings, hotels, hospitals, prisons, highways, bridges, airports, sewer and water lines, and water treatment plants. 

Our customers include publically and privately held contractors across a variety of construction sectors including general builders, construction managers, design/builders, heavy equipment contractors, homebuilders, subcontractors, and specialty contractors. 

Target markets:
  • Public and private companies of all sizes
  • Domestic and international well-capitalized and liquid construction, manufacturing, and supply risks.
  • Programs up to $750 million, with significant additional capacity for qualified customers

Commercial Products
We offer flexible, consistent, and comprehensive commercial surety programs that help keep businesses running. As one of the largest providers of commercial surety bonds, our underwriters immerse themselves in the nuances of your client’s industry and are committed to understanding their unique Commercial surety needs.

Large Commercial target markets:
  • Fortune 1000 public and private equivalent U.S. companies
  • Programs up to $750 million, with significant additional capacity for qualified customers
  • Foreign-owned multination corporations with U.S. contract surety needs
Small Commercial & Fidelity target markets/industry expertise:
  • Probate and Public Official bonds up to $50 million
  • Court, License & Permit, Notary, Program Business, and Miscellaneous bonds for businesses and individuals, on both an account and transactional basis, with aggregate capacity up to $20 million
  • Mercantile and Governmental Fidelity (including Business Services and ERISA) up to $1 million with excess capacity available​

Global Surety Regions
Contact Us

Have a claim? Let us know using any of the following methods:
Contact your agent or broker
Call: (206) 473-6210
Fax: (866) 548-6837
Write us at Liberty Mutual Surety™, 1001 4th Avenue, Suite 3800, Seattle, WA 98154 
Attention: LMS Claims 

Looking for an agent?

For a list of agents in your area, visit the National Association of Surety Bond Producers at
Click "Get a Bond"
Next, select "Find a Producer"
Select the state (A listing of agencies in the area will be provided)
Select an agency to get contact information

Have a question? 

Call: (877) 751-2640 


Are you a current customer and have a question about your bill? Contact your agent or call our Billing Center at (800) 773-3312.