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Ironshore, a Liberty Mutual Company, provides broker-sourced specialty property and casualty insurance coverages for varying risks. Ironshore is prepared to meet clients’ complex needs promptly, with a local service and in-depth underwriting experience across a broad spectrum of industries.

Following Ironshore’s acquisition by Liberty Mutual in 2017 and integration as a key part of the newly formed Global Risk Solutions, Liberty Mutual enables us to bring even greater scale, expertise, innovation and product offerings to market. As a combined operation with approximately $17.5 billion in gross written premium, brokers now have access to a top-tier insurer with greater capacity and product lines for a wide range of risks.

Boston-based Liberty Mutual Holding Company, Inc. (LMHC), the parent corporation of the Liberty Mutual Insurance group of entities, is a diversified global insurer and third largest property and casualty insurer in the U.S. based on 2019 direct written premium. The Company also ranks 77th on the Fortune 100 list of largest corporations in the U.S. based on 2019 revenue. As of December 31, 2019, LMHC had $43.2 billion in consolidated assets, and "A" ratings from both A.M. Best and Standard & Poor's.

Competitive Advantages

Expertise &

Management averages 30 years of experience and is proven to navigate complex risks across industry sectors


Complete business coverage ranging from difficult-to-place risks to niche specialty products


Flexibility and creativity to not just meet, but anticipate, the needs of specific business challenges

Local Presence

We have dozens of offices to
understand your needs and
respond quickly on a local level.

Strength &

Protection for the long haul, backed by industry icon Liberty Mutual Insurance and more than $125 billion in assets


A premier global commercial and specialty lines (re)insurer, seamlessly delivering innovative and comprehensive risk solutions that meet the unique needs of our customers

largest property
and casualty insurer
in the U.S.
largest commercial
lines writer
in the US
largest global property and casualty insurer
on the
US Fortune
100 list
largest excess and surplus insurer