Ironshore

New York, United States Founded: 1998 • Age: 28 yrs Acquired By Hamilton Group
Provider of excess and surplus insurance solutions for businesses

About Ironshore

Ironshore is a company based in New York (United States) founded in 1998, and was acquired by Hamilton Group in March 2019. Provider of excess and surplus insurance solutions for businesses. Ironshore has raised $300 million across 4 funding rounds from investors including Fosun, Hamilton Group and GTCR Chicago Private Equity Firm. Ironshore has completed 2 acquisitions, including Stockbridge Risk Management and W M Wright. Its chief executive, as recorded, is Mark Wheeler. Ironshore offers products and services including Environmental Liability Insurance and Healthcare Liability Insurance. Its legal entity is Liberty Mutual Insurance Company.

Company details

Ironshore was founded in 1998 and is headquartered in New York, United States. Operations focus on the insurance sector, where excess and surplus solutions are delivered to businesses handling complex risks. Services encompass specialty coverage through wholesale channels, dedicated underwriting teams, and tailored programs. Key areas include environmental liability, healthcare, management liability, professional liability, property, and specialty casualty, with emphasis on customized options and claims handling across the U.S.

  • Headquarters New York, United States
  • Stage Acquired
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website ironshore.com
  • Social LinkedIn X YouTube
  • Acquired by Hamilton Group (Mar 2019)
  • Legal Name Liberty Mutual Insurance Company
Key Metrics

Products & Services of Ironshore

Ironshore offers a comprehensive portfolio of products and services, including Environmental Liability Insurance and Healthcare Liability Insurance.

Environmental Liability Insurance
Liability Insurance

Insurance is provided to protect companies against financial impacts of environmental incidents

Healthcare Liability Insurance
Specialty Insurance

Insurance is offered to protect healthcare organizations against legal and financial risks arising from their services

Apps and channels of Ironshore

its YouTube channel Liberty Mutual has 1.72K subscribers and 30 videos.

Liberty Mutual
YouTube 1.72K subscribers 30 videos Autos & Vehicles
Open channel

Videos from Ironshore

The most watched videos on Ironshore's YouTube channel, Liberty Mutual (1.72K subscribers). Click a video to play it here.

Horn | LiMu Emu & Doug | Liberty Mutual Insurance Commercial
74.6M views
Golf (Short) | LiMu Emu & Doug | Liberty Mutual Insurance Commercial
71.7M views
LiMu Limo (Short) | LiMu Emu & Doug | Liberty Mutual Insurance Commercial
70.1M views
Parking | LiMu Emu & Doug | Liberty Mutual Insurance Commercial
60.9M views

More on Liberty Mutual.

Funding Insights of Ironshore

Ironshore has successfully raised a total of $300M across 4 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $143 million completed in August 2018. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $300M
  • Total Rounds 4
  • Last Round Debt – Conventional β€” $143M
  • First Round $1.03M

    (Jan 2007)

  • Investors Count 3

All 4 funding rounds of Ironshore with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Aug 2018$143MDebt – Conventional––
–
May 2010$250MDebt – Conventional––
–
Aug 2009$300MSeries B–GTCR
Jan 2007$1.03MUnspecified––
Valuation history

6 investors in total: 6 institutional.

Investors in Ironshore

Ironshore has secured backing from 6 investors, including venture fund and institutional investors. Prominent investors backing the company include Fosun, Hamilton Group and GTCR Chicago Private Equity Firm.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Private equity investments and firm management in Chicago.
gtcr.com
PE firm investing in the US
caleracapital.comSan Francisco, United States
Private equity investments are made in US-based companies.
thebeekmangroup.comNew York, United States
Diversified investment, asset management, and insurance services are offered globally.
1992fosun.comShanghai, China
Insurance solutions are provided for personal and business needs by Liberty Mutual.
1912libertymutual.comBoston, United States
P&C insurance and reinsurance services are provided by Hamilton Group.
2013hamiltongroup.comBermuda
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Investor details for Ironshore

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

People of Ironshore

1 people are tracked at Ironshore (1 in leadership).

NameRoleGroup
Mark Wheeler
CEOLeadership
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Complete people profiles for Ironshore

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

  • Full employee list
  • Team structure
  • Board tenure
  • Professional contacts

Verified entity values are shown only after access is granted.

Investments & Acquisitions by Ironshore

Ironshore has strategically engaged in corporate development activities, having acquired 2 companies. Notable acquisitions include Stockbridge Risk Management and W M Wright.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Finance and accounting services are provided to clients in Australia.
wmwright.com.auPenrith, Australia1988Jul 2009β€’β€’β€’β€’
Provider of insurance risk management services
stockbridgerisk.comGreat Neck, United States1980Nov 2007β€’β€’β€’β€’
Premium access

Complete acquisition details for Ironshore

Acquired stakes, deal sources and the complete acquisition history require an active premium plan.

  • Acquired stakes
  • Deal sources
  • Complete history
  • Exports

Verified entity values are shown only after access is granted.

Timeline of Ironshore

8 dated milestones of Ironshore across 21 years, from founding to its latest funding, stage changes and deals.

  1. Founded Ironshore is founded.
  2. Funding First funding round of $1.0M.
  3. Acquisition Acquires Stockbridge Risk Management.
  4. Acquisition Acquires W M Wright.
  5. Exit Acquired by Fosun.
  6. Exit Acquired by Liberty Mutual.
  7. Funding Latest funding round, Debt – Conventional, of $143.0M.
  8. Exit Acquired by Hamilton Group.

Web traffic of Ironshore

Websites that share an audience with Ironshore (ironshore.com).

Similar websites

Websites whose visitors overlap most with Ironshore. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
travelers.com
100%
3.1M#11,663View details
zurichna.com
zurichna.com
99%
#285,448–
aig.com
92%
494.8K#97,418View details
trisura.com
84%
17.5K#984,203View details
acegroup.com
83%
27.8K#1,072,477View details
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
Premium access

All 9 similar websites and full traffic analytics for Ironshore

The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.

  • 9 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

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Frequently Asked Questions about Ironshore

Ironshore was founded in 1998 and raised its 1st funding round 9 years after it was founded.

Ironshore is headquartered in New York, United States. It is registered at New York, New York, United States.

Mark Wheeler is the CEO of Ironshore, as recorded in our data.

Ironshore is a funded company, having raised a total of $300M across 4 funding rounds to date. The company's 1st funding round was a Unspecified of $1.03M, raised on Jan 2007.

Ironshore was founded in 1998 and is headquartered in New York, United States. Operations focus on the insurance sector, where excess and surplus solutions are delivered to businesses handling complex risks. Services encompass specialty coverage through wholesale channels, dedicated underwriting teams, and tailored programs. Key areas include environmental liability, healthcare, management liability, professional liability, property, and specialty casualty, with emphasis on customized options and claims handling across the U.S.

Ironshore offers Environmental Liability Insurance and Healthcare Liability Insurance.

Ironshore has made 2 acquisitions, including Stockbridge Risk Management, and W M Wright.

Ironshore has 6 investors. Key investors include Fosun, Hamilton Group, GTCR Chicago Private Equity Firm, Calera Capital, and The Beekman Group.

Ironshore operates through Liberty Mutual Insurance Company.

Yes. Ironshore was acquired by Hamilton Group in March 2019.

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