Liberty Mutual Insurance

People using post-it notes

Bringing more to the middle

Liberty’s middle market solutions
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Corporate resilience

Are you leading or lagging?
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As businesses evolve, they need a stable, adaptive insurer that is always looking ahead. We provide comprehensive, tailored business insurance solutions with expertise and care to help protect your people, property, and reputation.


Liberty Mutual at a glance


on the U.S. Fortune list

based on 2023 revenue

th largest

global property and casualty insurer

2021 gross written premium


largest global surety

(based on available global GWP and NEP data)


countries and economies

around the world

Ironshore for a sharper edge

Dedicated to the wholesale market, Ironshore, a Liberty Mutual company, offers specialty and excess and surplus (E&S) insurance-based solutions and programs for U.S.-based businesses with complex and unique risks. Depend on us for a distinctive blend of scale, expertise, and creativity that can give you the edge you need to win and retain business.


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This website is intended to be informational. Descriptions are provided only as a summary outline of the products and services available and are not intended to be comprehensive and do not constitute an offer to sell or a solicitation. The products and services described may not be available in all states or jurisdictions. See your policy, service contract, or program documentation for actual terms, conditions, and exclusions. Any inquiries regarding the subject matter set forth herein should be directed through licensed insurance professionals.

Coverage and insurance are provided and underwritten by Liberty Mutual Insurance Company or its affiliates or subsidiaries. When we offer insurance products, we will state clearly which insurer will underwrite the policy. Some policies may be placed with a surplus lines insurer. Surplus lines insurers generally do not participate in state guaranty funds and coverage may only be obtained through duly licensed surplus lines brokers.