
Surety bonds and guarantees that power progress in the U.S.
Liberty Mutual Surety provides flexible contract bonds and commercial bond solutions for U.S. businesses and contractors. With experienced underwriters, strong financial backing, responsive service, and renowned value added services, we help clients manage risk and power progress.

Why Liberty Mutual Surety
Liberty Mutual Surety is the largest surety provider in the U.S. and globally. Our experienced U.S. teams partner with brokers and clients to deliver tailored solutions across contract and commercial surety. Supported by in-house claims, legal, and analytics professionals, we identify risk early and help keep projects and business obligations on track.
Capacity
Industry-leading capacity to support large, multi-jurisdictional programs
Broad appetite
Extensive suite of products including all sized transactional, commercial, large-scale contract, and international bonds
Strong broker and client partnerships
Flexible solutions and programs designed to make it easy to work with us
Underwriting expertise
Deep, specialized, and consistent underwriting expertise across all types of bonds and guarantees
Cross-border proficiency
Global Surety underwriting teams focused on reverse-flow, fronted transactions, and complex cross-border structures
Industry Insights
Macroeconomic data, market intelligence, training, and tailored construction consulting that help clients anticipate trends
Liberty Mutual Surety by the numbers
From our financial strength to our local expertise and global reach, Liberty Mutual Surety has the products and capabilities to help your business succeed
All sized bonds for all types of businesses and contractors
Liberty Mutual Surety offers a comprehensive portfolio of contract, commercial, and fidelity bonds to help businesses meet contractual, regulatory, and financial obligations. With solutions for businesses of virtually every size, customers can continue to rely on us as their needs evolve and their businesses grow. Backed by experienced teams, strong capacity, local market knowledge, and global capabilities, we deliver responsive, tailored solutions across markets.
Insights
Find More Resources
Podcast • 12/18/25
Construction risk roundtable
In our construction risk roundtable series, we discuss issues and trends facing the industry and how companies can prepare.
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Webinar • 05/01/25
U.S. housing and global macroeconomic trends
Expert panelists discuss the current housing market in the United States and the impact on construction and surety.
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Webinar • 03/05/25
Exploring the global risk landscape
Industry experts discuss the interconnectedness of risk around the globe and the future of the surety and construction industries.
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Report • 02/20/25
Effectively managing contractor risks
Contractors have faced a variety of risks since COVID-19. Collaborating with their surety has helped mitigate them.
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Webinar, podcast • 10/22/24
Dynamics of the Global Surety market
Watch this informative webinar to learn about the differences among surety markets in Europe, Asia, Australia, and Canada.
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Webinar • 05/21/24
Elements of contractor distress
Learn more about the warning signs of contractor distress and how a surety and their claims team can help mitigate the risks present for an account.
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