Arch Capital Group
Arch Capital Group (NASDAQ: ACGL) is a Bermuda-based specialty insurer, reinsurer, and mortgage insurer operating across insurance, reinsurance, and mortgage segments globally with three core units: Arch Insurance, Arch Reinsurance, and Arch Mortgage Insurance (the world's largest).
- Company typePublic
- Founded2001
- HeadquartersHamilton, Bermuda
- Headcount5,001–10,000
- GTM typeB2B
- OfferingServices
What Arch Capital Group does
Arch Capital Group Ltd. (NASDAQ: ACGL) is a Bermuda-domiciled specialty insurance, reinsurance, and mortgage insurance holding company founded in 2001 following the post-9/11 reinsurance capacity gap. The company operates through three reportable segments — Arch Insurance (specialty property, casualty, professional lines, surety, cyber, travel, and small commercial), Arch Reinsurance (global treaty and facultative property and casualty, including catastrophe retrocession), and Arch Mortgage Insurance (the world's largest mortgage insurer following the 2016 United Guaranty acquisition, operating across the U.S., Australia, Canada, and Europe). Distribution is primarily broker-led: insurance flows through wholesale and retail brokers including E&S partners, reinsurance through treaty and facultative intermediaries, and mortgage insurance through lender and servicer channels. Consumer and small business lines (RoamRight, Thimble) are offered via direct digital channels.
Revenue is generated predominantly through insurance and reinsurance premiums (subscription/recurring) with a meaningful contribution from investment income on the float portfolio managed by Arch Investment Management Ltd. (AIM). In Q1 2026, net premiums written were approximately $2.2B for Reinsurance, $1.9B for Insurance, and $284M for Mortgage, with pre-tax net investment income of $408M. Premiums are individually underwritten; no standardized rate cards exist. The company operates a platform-plus-subsidiary model with over a dozen operating subsidiaries (McNeil & Co., Somers Re, Ventus, SoundView, Somerset Bridge Group, Arch Wilsure, etc.) and holds a 29.5% strategic stake in French trade credit insurer Coface SA.
Capital strength is a defining feature: Arch holds approximately $26.9B in capital as of Q1 2026, an AA- financial strength rating from S&P (upgraded in 2025), an A+ (Superior) rating from AM Best for Arch Wilsure, and ~89% institutional ownership. Operational scale spans over 60 offices across North America, Europe, Australia, and Asia (including newly opened India operations in Hyderabad and Trivandrum) with approximately 7,400 employees. The company is an S&P 500 component, returned $3.7B in after-tax operating income for full-year 2025, and has executed an aggressive capital return program — $8.5B in share buybacks over 20 years at roughly 1.2x book value, $1.9B in 2025 repurchases, and a $3B share repurchase authorization as of April 2026.
Arch Capital Group firmographics
Firmographics- Name
- Arch Capital Group
- Legal name
- Arch Capital Group Ltd.
- Website
- https://archgroup.com
- Company type
- Public
- Founded year
- 2001
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- Arch Capital Group (NASDAQ: ACGL) is a Bermuda-based specialty insurer, reinsurer, and mortgage insurer operating across insurance, reinsurance, and mortgage segments globally with three core units: Arch Insurance, Arch Reinsurance, and Arch Mortgage Insurance (the world's largest).
- Ownership category
- akta.pro rank
Arch Capital Group industry classification
Industry- Product category
- Specialty Insurance and Reinsurance
- NAICS
- Finance and Insurance (52)
- SIC
- Surety Insurance (6351)
- akta.pro primary industry
- Property Treaty Reinsurance (FSAOAEAC)
- akta.pro secondary industry
- Insurance General Accounts (Institutional Asset Owners) (FSAAAGAG)
Keywords
Where Arch Capital Group is headquartered
LocationHeadquarters
- HQ city
- Hamilton
- HQ country
- Bermuda
Offices17 records
Markets served
Arch Capital Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Insurance Premiums: Arch Insurance segment writes gross premiums across specialty lines including property, casualty, professional, Surety, workers' compensation, and specialty coverages for clients in North America, Europe, and Australia. Net premiums written in Q1 2026 were approximately $1.9 billion for the Insurance segment. Premiums are the primary revenue driver.
- Reinsurance Premiums: Arch Re operates globally providing treaty and facultative property and casualty reinsurance. Net premiums written in Q1 2026 were approximately $2.2 billion for the Reinsurance segment, representing the largest segment by premium volume. Reinsurance premiums are written on both proportional and non-proportional bases.
- Mortgage Insurance Premiums: Arch Mortgage segment provides mortgage insurance (primary and pool), credit risk transfer, and other mortgage-guaranty products globally (US, Australia, Canada, Europe). Net premiums earned in Q1 2026 were approximately $284 million. Revenue includes both monthly and annual premium products from flow and bulk channels.
- Investment Income: Arch Capital Group generates investment income from its investment portfolio managed by Arch Investment Management Ltd. (AIM), including fixed maturity securities, equities, and alternative investments. Pre-tax net investment income was $408 million in Q1 2026.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Annual | Insurance and reinsurance premiums are individually underwritten and quoted based on risk profile, coverage scope, policy limits, deductibles, and loss history. No public pricing tiers are available. |
Go-to-market motion2 records
Distribution channels7 records
Marketing channels6 records
Arch Capital Group product offering
Product offeringCore offering
Arch Capital Group underwrites specialty property, casualty, and professional insurance; treaty and facultative reinsurance globally; and mortgage insurance including primary, pool, and credit risk transfer. It distributes through wholesale and retail brokers, treaty intermediaries, and lender partners, with direct digital channels for travel (RoamRight) and small business (Thimble) coverage.
Product overview
Arch Capital Group operates as a specialty insurance conglomerate offering three core business segments: Arch Insurance (property, casualty, and specialty risk solutions), Arch Reinsurance (treaty and facultative reinsurance globally), and Arch Mortgage Insurance (risk management for the housing sector). The portfolio includes multiple sub-brands such as Arch RoamRight (travel insurance), Thimble (small business insurtech), McNeil & Company (specialized insurance), Somers Re (global reinsurance), Ventus Risk Management (coastal commercial property MGU), and SoundView Claims Solutions (third-party claims administrator). Arch CyPro serves as the company's primary cyber insurance product. The architecture follows a platform-plus-subsidiary model where corporate oversight manages distinct operating companies, each with specialized product focuses across insurance, reinsurance, and mortgage lines.
Differentiator
Problem solved
Functional benefit
Brands
- RoamRight: Travel protection plans for leisure, business, student and group travelers
- Thimble
- McNeil & Co.
- SoundView
- Ventus
- Somers Re
- Somerset Bridge Group
- Arch Global Reinsurance Group
- Arch Global Mortgage Group
- Arch Global Services India
- Arch Global Services Philippines
Products and services
- Arch Insurance Provides specialty risk solutions to clients worldwide across property, casualty, professional liability, surety, workers' compensation, cyber, travel, and entertainment insurance lines, from operations in North America, Europe and Australia.
- Arch Reinsurance (Arch Re) Operates in most major global insurance centers offering treaty and facultative property and casualty reinsurance on a worldwide basis, including catastrophe retrocession through instruments such as cat bonds.
- Arch Mortgage Insurance (Arch MI)
Quantifiable outcome
- Q1 2026 underwriting income of $728 million (+74.6% YoY) with 81.7% combined ratio
- +3 more outcomes
Companies that use Arch Capital Group
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles3 records
Arch Capital Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature3 records
Arch Capital Group partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- TernminorArch RoamRight partnered with Tern to become the first travel insurance provider integrated with Tern's travel business platform, enabling travel advisors and their clients to purchase travel protection simultaneously with travel bookings through a single platform. The partnership is active and Arch RoamRight's insurance products are immediately available through the Tern platform.
Scale indicators19 records
Recent moves9 records
Expansion highlights7 records
Arch Capital Group competitors and assessment
Company assessmentBroad incumbents
- The Travelers Companies, Inc. Large US-domiciled P&C insurance carrier with broad commercial and personal lines. Overlaps with Arch Insurance in commercial property, casualty, and specialty lines, but with much larger market share in standard commercial P&C.
- Berkshire Hathaway Inc. Berkshire's insurance operations (GEICO, General Re, Berkshire Hathaway Reinsurance Group) are a direct competitor in reinsurance and a parallel capital allocator. Comparable to Arch Re in treaty reinsurance and in deploying float for investment returns.
Direct peers
- RenaissanceRe Holdings Ltd. Bermuda-domiciled specialty reinsurer focused on property catastrophe and specialty lines. Directly comparable to Arch Re in treaty and facultative property reinsurance, with similar Bermuda holding structure and ILS market participation.
- Essent Group Ltd. Pure-play US mortgage insurance and credit risk transfer provider. Comparable to Arch MI in primary mortgage insurance with similar customer base (US mortgage originators) and similar exposure to GSE and private mortgage insurance dynamics.
- Everest Group, Ltd. Specialty P&C insurance and reinsurance company with parallel mix of insurance and reinsurance segments. Closely comparable to Arch Re and Arch Insurance in treaty reinsurance, property cat, and specialty commercial underwriting.
- Radian Group Inc. US-focused residential mortgage insurance and mortgage credit risk transfer provider. Directly comparable to Arch MI in primary mortgage insurance, with similar exposure to US housing credit cycles and CRT market dynamics.
- Fairfax Financial Holdings Limited: Canada-based specialty insurance and reinsurance holding company with global operations. Comparable to Arch in disciplined underwriting, value-driven acquisitions, and mix of insurance and reinsurance across multiple geographies.
- Markel Group Inc. Specialty insurance conglomerate with insurance, reinsurance, and investment operations. Comparable to Arch in specialty P&C underwriting approach, long-cycle capital allocation philosophy, and diversified specialty platform.
- MGIC Investment Corporation: US private mortgage insurance provider with significant share of the US MI market. Closely comparable to Arch MI in primary mortgage insurance underwriting, claims management, and exposure to US housing credit conditions.
- Chubb Limited: Global specialty P&C insurance leader with broad product portfolio across commercial and consumer lines. Directly comparable to Arch in specialty commercial, excess casualty, and professional lines, with similar global distribution architecture.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Arch Capital Group social profiles
Digital presenceArch Capital Group compliance and trust
Trust signalCompliance3 records
Arch Capital Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Arch Capital Group leadership team
Management profileNumber of profiles
Profiles8 records
Arch Capital Group subsidiaries and ownership
Company hierarchySubsidiaries20 records
Arch Capital Group funding detail
Funding detailFunding overview
Funding rounds3 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Arch Capital Group M&A and investment
M&A and investmentM&A6 records
Investments11 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Arch Capital Group
What does Arch Capital Group do?
Arch Capital Group underwrites specialty property, casualty, and professional insurance; treaty and facultative reinsurance globally; and mortgage insurance including primary, pool, and credit risk transfer. It distributes through wholesale and retail brokers, treaty intermediaries, and lender partners, with direct digital channels for travel (RoamRight) and small business (Thimble) coverage.
Is Arch Capital Group a public or private company?
Arch Capital Group is a public company. It is classified as public and is currently operating.
When was Arch Capital Group founded?
Arch Capital Group was founded in 2001. It employs 5,001 to 10,000 people.
Where is Arch Capital Group based?
Arch Capital Group is headquartered in Hamilton, Bermuda.
How does Arch Capital Group make money?
Four revenue lines are on record. Insurance Premiums are the primary driver. The others are reinsurance Premiums, mortgage Insurance Premiums and investment Income.
Who are Arch Capital Group's main competitors?
Broad incumbents on record are The Travelers Companies, Inc. and Berkshire Hathaway Inc.. Direct peers are RenaissanceRe Holdings Ltd., Essent Group Ltd., Everest Group, Ltd., Radian Group Inc., Fairfax Financial Holdings Limited, Markel Group Inc., MGIC Investment Corporation and Chubb Limited.
Does Arch Capital Group have an API?
No public API is recorded for Arch Capital Group.
What industry is Arch Capital Group in?
Arch Capital Group's product category is Specialty Insurance and Reinsurance. Its primary akta.pro industry code is FSAOAEAC, Property Treaty Reinsurance, with a secondary code of FSAAAGAG, Insurance General Accounts (Institutional Asset Owners). Its NAICS code is 52 and its SIC code is 6351.