Large contract bonds for major and multinational contractors
Liberty’s large contract surety offering is designed for financially strong contractors managing complex, high-value projects across public, private, and multi-jurisdictional markets. We support aggregate bonding needs up to $750 million, with additional capacity available for qualified clients, and structure programs to address the scale, duration, and contractual demands of major construction, manufacturing, and supply projects. Through coordinated support from our National Accounts teams, contractors can access the capacity and program expertise needed to help win and mobilize projects.
Capacity
Our Industry-leading capacity supports large, multi-jurisdictional programs
ENR Top 100
Liberty Mutual Surety currently provides bonds for 40 of the ENR Top 100 contractors
Target sectors
From general and heavy engineering prime contractors to mechanical, engineering, and plumbing subs, our contractors are best-in-class
National Accounts Program
We provide tailored services for our largest national and multinational construction clients
Subcontractor Default Insurance
Complement your surety program with SDI, designed to protect GCs if a sub defaults
Global Infrastructure Solutions
With our comprehensive global infrastructure insurance and surety offerings, we can provide end-to-end protection for your most complex construction and energy transition projects
Surety SmartSuite
Our value added services, such as peer financial benchmarking, tailored macroeconomic insights, our Claims Client Relationship Team, and practical consulting support help contractors make smart business decisions
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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See how we can help
Interested in learning more about our large contract surety offering? Read our brochure or contact your agent or broker.