Surety guarantees that power progress in the Netherlands


The team at Liberty Mutual Surety, formerly Nationale Borg, has been the surety provider for many leading companies in the Netherlands and Belgium for over 130 years.

Liberty Mutual Surety is the largest guarantee provider in the world. We have offices in nearly 20 countries and issue guarantees globally. We have the capability, experience, and resources to support every type of business in providing guarantees to their local, national, and multinational clients.

What's New


Hailstorm Alert


Using Accuweather® forecast data and SMS text capabilities, Liberty Mutual auto customers in 21 states can opt-in for this free, proactive service.

Accident Assistance


An in-app feature that utilizes mobile data to detect when an accident has occurred and automatically dispatch help.

Fraud Alert


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    How Surety Works

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    Clients and business partners often request a guarantee as a condition for doing business. These guarantees signal to your clients that you can meet your contractual obligations. If you are unable to fulfill these obligations, your client can claim the guarantee as compensation for any damages incurred.
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    Tailored Solutions
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    Additional Source of Financing
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    Reliable Partnership
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    Local Connections, Global Reach
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    Global Reach

    Surety Bonding That Powers Global Progress


    Reasons to believe including responsive local teams, coordinated globally and our partnership with brokers and clients to keep projects and obligations on track. Lorem ipsom dolor sed consecteteur.
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    #1

    Surety and guarantees provider worldwide 1
    1 Based on publicly available data
    ‘A’

    (Stable) by Standard & Poor’s
    Demonstrating strong financial security
    60+

    Can issue bonds in 60+ countries
    Through local Liberty operations or fronting companies
    20

    Operations in 20 countries
    Throughout Europe, North America, Latin America, and Asia Pacific
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    Explore
    Small-to-midsize bonds
    Our contract surety solutions provide multiple bond options to help small-to-midsize contractors.
    Learn more
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    Subdivision bonds
    Our subdivision bonds help developers and builders satisfy common municipal requirements.
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    Specialty bonds
    Our specialty surety programs facilitate bond issuance across our global operations, placed through Liberty Mutual or one of our fronting companies.
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    Surety global operations
    Our surety bonds and guarantees fulfill obligations across the world.
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    Explore
    Asia Pacific surety and guarantees
    Our surety bonds and guarantees help fulfill the bond needs of businesses across several industries in the Asia Pacific region.
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    Surety and guarantees for Europe
    Our surety underwriting teams specialize in delivering surety solutions as an alternative to bank guarantees in local markets across Europe.

    Global Capabilities/Solutions Lead


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    Constuction Risk Roundtable
    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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    U.S. housing and global macroeconomic trends
    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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    Exploring the global risk landscape
    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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    Effectively managing contractor risks
    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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    Dynamics of the Global Surety Market
    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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    Elements of contractor distress
    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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