Hamilton Insurance Group, Ltd.

Hamilton Insurance Group, Ltd. is a Bermuda-founded specialty insurance and reinsurance holding company that writes commercial specialty, casualty, property and reinsurance business through its Hamilton Global Specialty, Hamilton Select and Hamilton Re platforms. The group uses proprietary technology, data-driven underwriting and a relationship with Two Sigma to target sustainable underwriting profitability across the U.S., London, Dublin and Bermuda.

28,9 %

+24,7 %

— Hamilton Insurance Group, Ltd.
%
International specialty insurance35% Commercial specialty and casualty insurance written through Hamilton Global Specialty and related international platforms.
U.S. E&S casualty insurance20% Hard-to-place casualty coverage for small to mid-sized U.S. clients through Hamilton Select.
Global reinsurance35% Property, casualty and specialty reinsurance written on a global basis through Hamilton Re and Hamilton Re US.
Bermuda specialty insurance10% High-excess specialty insurance for large U.S. commercial risks written from Bermuda.

Hamilton sells to commercial insureds, brokers and reinsurance counterparties that need specialty coverage for complex,...

  • Commercial specialty insuredsprimary

    Medium to large accounts buying specialty casualty and commercial lines coverage for complex risks.

  • U.S. E&S casualty buyersprimary

    Small to mid-sized clients needing hard-to-place casualty insurance in the U.S. excess and surplus market.

  • Reinsurance cedentsprimary

    Insurers and reinsurers purchasing property, casualty and specialty reinsurance protection.

  • Large commercial risk buyerssecondary

    Large U.S. commercial insureds seeking high-excess Bermuda specialty capacity.

  • Brokers and intermediariessecondary

    Distribution partners that place specialty and reinsurance business with Hamilton's underwriting platforms.

Hamilton operates globally, with underwriting operations in London, Dublin, Bermuda and across the United States...

  • Underwriting operations in London, Dublin, Bermuda and the United States
  • U.S. E&S market is a major source of premium for Syndicate 4000
  • Bermuda platform writes global reinsurance and high-excess specialty risks
  • International segment includes UK, Ireland and U.S.-based subsidiaries
  • Geography affects capital, licensing and access to specialty markets

Hamilton’s strategy is to grow a diversified specialty and reinsurance book while maintaining sustainable underwriting...

01
Sustainable underwriting profitabilityshort-term

The company wants to avoid volume growth that sacrifices underwriting margin in a competitive market.

02
Expand U.S. E&S presencemedium-term

The U.S. excess and surplus market is a key growth channel for specialty casualty business.

03
Technology-enabled underwritingmedium-term

Proprietary technology and analytics are intended to improve risk assessment and pricing precision.

04
Capital and liquidity managementshort-term

As a holding company, Hamilton depends on subsidiary distributions to fund debt service, buybacks and corporate needs.

Hamilton is exposed to intense competition, industry consolidation and alternative capital that can pressure pricing,...

high

Competitive pressure and industry consolidation

Larger competitors and alternative capital can demand lower pricing and broader terms, reducing underwriting margins.

Scope
Specialty insurance and reinsurance markets
Materiality
high
high

Catastrophe and large-loss volatility

Property, casualty and specialty books can experience low-frequency, high-severity losses from natural and man-made events.

Scope
Global reinsurance and specialty insurance
Materiality
high
high

Reserve adequacy and pricing error

Long-tail casualty and emerging risks require judgment on assumptions, data quality and loss development.

Scope
Casualty, specialty and reinsurance reserves
Materiality
high
medium

Cybersecurity and technology disruption

The business relies on proprietary technology, third-party IT systems and data, which can be disrupted or breached.

Scope
Underwriting platforms and data systems
Materiality
medium
medium

Restricted access to subsidiary cash

The parent company depends on dividends and permitted distributions from regulated subsidiaries.

Scope
Holding company liquidity and buybacks
Materiality
medium
Loss and loss adjustment expense reserves
Underwriting income and balance sheet liabilities
Ceded reinsurance recoverables
Assets, reserve netting and credit risk
Prior-year reserve development
Reported underwriting profitability
Investment income and fair value changes
Net investment income and total comprehensive income

: 28/04/2026