Hamilton Insurance Group
Hamilton Insurance Group is a Bermuda-based specialty insurance and reinsurance holding company operating through Hamilton Re, Hamilton Global Specialty (Lloyd's Syndicate 4000, Dublin), and Hamilton Select to write casualty, property, and specialty risk for Fortune 1000, treaty partners, and US E&S accounts.
- Company typePublic
- Founded2013
- HeadquartersHamilton, Bermuda
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What Hamilton Insurance Group does
Hamilton Insurance Group, Ltd. is a Bermuda-headquartered specialty insurance and reinsurance holding company founded in 2013 and listed on the New York Stock Exchange under ticker HG since November 10, 2023. The group operates three underwriting platforms that share a Bermuda, US, and London/Dublin operating footprint across approximately 600 employees: Hamilton Re writes property, casualty, and specialty reinsurance globally through Bermuda and provides high-excess specialty insurance to US Fortune 1000 commercial risks (capacity up to $25M per risk); Hamilton Global Specialty writes commercial specialty and casualty insurance through Lloyd's Syndicate 4000 (A.M. Best A+) and Hamilton Insurance DAC in Dublin, covering energy, marine, cyber, political risk, K&R, space, fine art, and other specialty lines; and Hamilton Select distributes exclusively through the US wholesale broker channel, writing casualty insurance for small-to-mid-sized hard-to-place accounts in the US E&S market.
The technical stack is described as a "data-driven and analytics-enabled underwriting platform" supported by a long-term investment management relationship with Two Sigma through the Two Sigma Hamilton Fund (minimum $1.8B or 60% of net tangible assets committed). Advanced data analytics and technology-enabled risk assessment differentiate the underwriting approach across treaty and direct placements, while the firm's broader ecosystem includes the Ada Re, Ltd. third-party capital platform (a non-consolidated special purpose insurer providing fully collateralized reinsurance and retrocession), Hamilton Managing Agency Limited for the Lloyd's franchise, and a 2019-acquired Pembroke Managing Agency platform.
Hamilton's revenue model is built on gross premiums written (FY2025 GPW of $2.9B, +21% YoY), supplemented by fee income from third-party capital arrangements (e.g., the April 2026 Sixth Street-backed casualty sidecar with ~$300M ceded premiums) and investment returns managed by Two Sigma across a barbelled portfolio. Distribution is intermediated: wholesale brokers for Hamilton Select, Lloyd's brokers for Syndicate 4000, and direct broker relationships for Hamilton Re's treaty and Fortune 1000 accounts. Pricing is quote-based and risk-specific, governed by underwriting authority rather than published rate cards. Capital deployment in 2025-2026 includes a $206M special dividend and a $150M share repurchase authorization, signaling balance-sheet confidence alongside platform investment.
Hamilton Insurance Group firmographics
Firmographics- Name
- Hamilton Insurance Group
- Legal name
- Hamilton Insurance Group, Ltd.
- Website
- https://hamiltongroup.com
- Company type
- Public
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- Hamilton Insurance Group is a Bermuda-based specialty insurance and reinsurance holding company operating through Hamilton Re, Hamilton Global Specialty (Lloyd's Syndicate 4000, Dublin), and Hamilton Select to write casualty, property, and specialty risk for Fortune 1000, treaty partners, and US E&S accounts.
- Ownership category
- akta.pro rank
Hamilton Insurance Group industry classification
Industry- Product category
- Specialty Insurance and Reinsurance
- NAICS
- Direct Insurance (except Life, Health, and Medical) Carriers (52412), Insurance Carriers (5241), Insurance Carriers and Related Activities (524)
- SIC
- Fire, Marine & Casualty Insurance (6331)
- akta.pro primary industry
- P&C Reinsurance Brokerage (FSAOAHAG)
- akta.pro secondary industries
- Catastrophe & ILS Placement (Reinsurance) (FSAOAHAD), Specialty Insurance Brokerage (Marine, Aviation, Cyber, Professional Lines) (FSAEADAJ), Management Liability (D&O/EPL/Fiduciary) (FSAJAGAD)
Keywords
Where Hamilton Insurance Group is headquartered
LocationHeadquarters
- HQ city
- Hamilton
- HQ country
- Bermuda
Offices5 records
Markets served
Hamilton Insurance Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Gross Premiums Written: Primary revenue stream from writing specialty insurance and reinsurance premiums across multiple lines including casualty, property, and specialty reinsurance. Q1 2026 gross premiums written increased 11.5% to $940.1 million.
- Fee Income from Third-Party Capital: Fee income generated through Ada Re third-party capital platform including casualty reinsurance sidecar transactions. Estimated approximately $300 million in ceded premiums over multi-year structure.
- Investment Returns: Investment income from Two Sigma Hamilton Fund investment agreement (minimum commitment of $1.8 billion or 60% of net tangible assets). Additional investment returns from barbelled investment portfolio.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom insurance and reinsurance pricing based on individual risk assessment |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels5 records
Hamilton Insurance Group product offering
Product offeringCore offering
Hamilton Insurance Group is a Bermuda-based specialty insurance and reinsurance holding company that underwrites risk through three platforms: Hamilton Re (Bermuda-domiciled property, casualty and specialty reinsurance plus high excess insurance for US Fortune 1000 risks), Hamilton Global Specialty (London-based commercial specialty and casualty insurance written through Lloyd's Syndicate 4000 and Hamilton Insurance DAC), and Hamilton Select (US excess and surplus casualty insurance for small-to-mid-sized hard-to-place accounts). It distributes through wholesale brokers, Lloyd's intermediaries, and direct broker relationships, with investment management by Two Sigma Hamilton Fund.
Product overview
Hamilton Insurance Group is a Bermuda-headquartered specialty insurance and reinsurance company with three underwriting platforms: Hamilton Re, Hamilton Global Specialty, and Hamilton Select. Hamilton Re (Bermuda platform) provides property, casualty, and specialty reinsurance plus high excess Bermuda market specialty insurance for US Fortune 1000 commercial risks. Hamilton Global Specialty operates through Lloyd's Syndicate 4000 and Hamilton Insurance DAC, offering commercial specialty and casualty insurance plus specialty reinsurance. Hamilton Select is the US domestic E&S carrier writing casualty insurance for small-to-mid-sized clients in hard-to-place niches. The company offers over 30 distinct product lines spanning casualty reinsurance, US casualty reinsurance, property treaty reinsurance, specialty reinsurance (aviation, marine, space, political risk, cyber, K&R, M&A), casualty/financial lines/property insurance, and US E&S products including allied medical, commercial property, excess/general/management/professional/small business casualty, and medical professionals insurance. The product architecture operates as a platform-plus-modules structure with three distinct platforms serving different market segments and geographies.
Differentiator
Problem solved
Functional benefit
Brands
- Hamilton Global Specialty: London-based specialty insurance platform writing through Lloyd's Syndicate 4000 and Hamilton Insurance DAC, focusing on commercial specialty and casualty insurance and specialty reinsurance.
- Hamilton Re
- Hamilton Select
- Ada Re
Products and services
- Hamilton Re Bermuda-based underwriting platform that writes property, casualty, and specialty reinsurance on a global basis and offers high excess Bermuda market specialty insurance products predominantly for US-based Fortune 1000 commercial risks.
- Hamilton Global Specialty London-based underwriting platform that writes business in both Lloyd's and company markets through Syndicate 4000 at Lloyd's and Hamilton Insurance DAC, focusing on commercial specialty and casualty insurance for medium-to-large-sized accounts and specialty reinsurance products.
- Hamilton Select US domestic excess and surplus (E&S) carrier that writes casualty insurance for small-to-mid-sized clients in the hard-to-place niche of the US E&S market, the primary carrier for domestically placed US E&S business.
- Casualty Reinsurance Casualty reinsurance products covering Commercial Motor, General Liability, Healthcare, Multiline Casualty, Personal Motor, Professional Liability, Umbrella & Excess Casualty, and Workers' Comp & Employers' Liability for treaty partners.
- Property Treaty Reinsurance Property treaty reinsurance products including Excess of Loss, Proportional, Stop Loss, Aggregate, Industry Loss Warranty, Retro, and Risk XS structures with maximum program lines of $60m for Catastrophe and $20m for Risk XS.
- Specialty Reinsurance Specialty reinsurance covering Accident & Health, Aviation, Crisis Management, Financial Lines, Marine & Energy, Multiline Specialty, and Satellite risks with a responsive, flexible, and innovative underwriting approach.
- Casualty Insurance Bermuda-based casualty insurance with broad appetite for complex risks serving diversified Fortune 1000 business, providing up to US$25 million in capacity with a minimum attachment of US$50 million.
- Property D&F Insurance Bespoke property coverage for large North American commercial Assureds with active risk management strategies, offering up to US$40 million per risk on non-critical cat fire layers and US$30 million on complex risks.
- Cyber Insurance Cyber insurance with Hamilton Cyber Sentinel (HCS) providing coverage against cyber attacks with immediate business interruption coverage, zero-hour waiting period, nil deductible for first responder determination, and post-incident training.
- Kidnap & Ransom Insurance Kidnap, extortion, detention, disappearance, hostage crisis, product extortion, virtual kidnap, business interruption, political evacuation and repatriation coverage up to US$25M with crisis response partnerships.
- M&A Insurance M&A insurance providing Warranty & Indemnity Insurance and Contingent Risk Insurance for private equity, financial institutions, and global corporates with transaction EVs between GBP 50 million/USD 70 million and GBP 500 million/USD 700 million.
- Space Insurance
Quantifiable outcome
- 22% return on average equity in 2025
- +4 more outcomes
Companies that use Hamilton Insurance Group
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles4 records
Hamilton Insurance Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Hamilton Insurance Group partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core and minor.
- Ada RecoreAda Re is a non-consolidated special purpose insurer funded by third-party investors that provides fully collateralized reinsurance and retrocession to Hamilton Re operating platforms and third-party cedants. Ada Capital Management Limited is the insurance agent authorized to underwrite on behalf of Ada Re.
- Crisis24minorCrisis24 provides global integrated security risk management services for Hamilton's Kidnap & Ransom insurance products. With over 30 years of experience and infrastructure in 45 countries, Crisis24 enables clients to mitigate threats and conduct operations confidently abroad.
- HFW (Holman Fenwick Willan)minorHFW is an international law firm with over 600 specialist lawyers worldwide, providing legal assistance for complex incidents and hostile environments related to Hamilton's Kidnap & Ransom and crisis management insurance products.
- Aon Securities LLCminorAon Securities LLC acted as sole structuring agent and placement agent for Hamilton's casualty reinsurance sidecar transaction backed by Sixth Street.
Scale indicators15 records
Recent moves9 records
Expansion highlights5 records
Hamilton Insurance Group competitors and assessment
Company assessmentDirect peers
- Everest Group: Bermuda-domiciled global P&C reinsurance and specialty insurance group with similar mix of reinsurance and primary specialty business. Direct competitor in casualty reinsurance, E&S, and complex risk underwriting, with overlapping leadership pedigree (Mike Mulray joined Hamilton from Everest).
- Arch Capital Group: Bermuda-based specialty insurance and reinsurance carrier with comparable mix of P&C reinsurance, Lloyd's platform, and US E&S operations. Closely comparable in business mix, scale, and Bermuda domicile.
- RenaissanceRe Holdings: Bermuda-domiciled specialty reinsurer with similar focus on property catastrophe, casualty, and specialty reinsurance. Direct competitor for treaty partners and Fortune 1000 reinsurance clients.
- AXIS Capital Holdings: Bermuda-based specialty insurance and reinsurance company with comparable global specialty platform (AXIS Global Specialty) and casualty reinsurance operations. Recent comparable as Peter Wilson (former CEO of AXIS Global Specialty) joined Hamilton's board.
- Beazley plc: London-headquartered specialty insurer with significant Lloyd's presence writing cyber, marine, political risk, and specialty lines directly comparable to Hamilton Global Specialty. Competes for similar London Market and international specialty business.
- Hiscox Ltd: Bermuda/London-based specialty insurer with Lloyd's and US operations focused on specialty commercial, reinsurance, and high-net-worth personal lines. Comparable in specialty lines mix and platform structure.
- Third Point Reinsurance: Bermuda-based specialty reinsurer with hedge-fund-linked investment strategy, similar in size and Bermuda domicile. Comparable focus on specialty reinsurance and investment-linked returns.
- Aspen Insurance Holdings: Bermuda-based specialty insurance and reinsurance group with Lloyd's presence, writing property, casualty, and specialty lines. Direct peer in the Bermuda specialty carrier segment.
- Convex Group: Bermuda-headquartered specialty insurance and reinsurance startup founded in 2019, similar in vintage and focus on specialty lines with data-driven underwriting approach. Comparable as a newer specialty carrier competing for similar business.
Broad incumbents
- Markel Group: Larger specialty insurance conglomerate with operations in E&S, professional liability, marine, and reinsurance. Wider portfolio and significantly greater scale, but overlapping specialty underwriting capabilities.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Hamilton Insurance Group social profiles
Digital presenceHamilton Insurance Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Hamilton Insurance Group leadership team
Management profileNumber of profiles
Profiles14 records
Hamilton Insurance Group subsidiaries and ownership
Company hierarchySubsidiaries7 records
Hamilton Insurance Group funding detail
Funding detailFunding overview
Funding rounds2 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Hamilton Insurance Group M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Hamilton Insurance Group
What does Hamilton Insurance Group do?
Hamilton Insurance Group is a Bermuda-based specialty insurance and reinsurance holding company that underwrites risk through three platforms: Hamilton Re (Bermuda-domiciled property, casualty and specialty reinsurance plus high excess insurance for US Fortune 1000 risks), Hamilton Global Specialty (London-based commercial specialty and casualty insurance written through Lloyd's Syndicate 4000 and Hamilton Insurance DAC), and Hamilton Select (US excess and surplus casualty insurance for small-to-mid-sized hard-to-place accounts). It distributes through wholesale brokers, Lloyd's intermediaries, and direct broker relationships, with investment management by Two Sigma Hamilton Fund.
Is Hamilton Insurance Group a public or private company?
Hamilton Insurance Group is a public company. It is classified as public and is currently operating.
When was Hamilton Insurance Group founded?
Hamilton Insurance Group was founded in 2013. It employs 501 to 1,000 people.
Where is Hamilton Insurance Group based?
Hamilton Insurance Group is headquartered in Hamilton, Bermuda.
How does Hamilton Insurance Group make money?
Three revenue lines are on record. Gross Premiums Written is the primary driver. The others are fee Income from Third-Party Capital and investment Returns.
Who are Hamilton Insurance Group's main competitors?
Direct peers on record are Everest Group, Arch Capital Group, RenaissanceRe Holdings, AXIS Capital Holdings, Beazley plc, Hiscox Ltd, Third Point Reinsurance, Aspen Insurance Holdings and Convex Group. Markel Group is listed as a broad incumbent.
Does Hamilton Insurance Group have an API?
No public API is recorded for Hamilton Insurance Group.
What industry is Hamilton Insurance Group in?
Hamilton Insurance Group's product category is Specialty Insurance and Reinsurance. Its primary akta.pro industry code is FSAOAHAG, P&C Reinsurance Brokerage, with a secondary code of FSAOAHAD, Catastrophe & ILS Placement (Reinsurance). Its NAICS code is 52412 and its SIC code is 6331.