Company lists · Data refreshed November 2026
Top 25 Excess and surplus insurance underwriters worldwide
RevenueBase identified 616 company matches for excess and surplus insurance underwriters worldwide as of November 2026 and tracks 47,285 professional contacts across them, including 22,312 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for excess and surplus insurance underwriters worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for excess and surplus insurance underwriters follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest excess and surplus insurance underwriters worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,066 contacts → | ||||
Exact match “RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,710 contacts → | ||||
Exact match “We are a specialty insurer with more than three decades of experience in providing clients with the highest standards of underwriting and claims service worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,046 contacts → | ||||
Exact match “At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,459 contacts → | ||||
Exact match “RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,385 contacts → | ||||
Exact match “At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,192 contacts → | ||||
Exact match “Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,174 contacts → | ||||
Exact match “CapSpecialty® is a leading provider of specialty insurance for small to mid-sized businesses in the U.S, offering casualty, professional liability, surety and fidelity products in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,071 contacts → | ||||
Exact match “Ascot Group is a global specialty insurance and reinsurance group with a record of underwriting excellence and superior claims service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 877 contacts → | ||||
Exact match “Rated A+ Superior by AM Best (8/12/26), Berkshire Hathaway GUARD Insurance Companies provides Property & Casualty insurance including Excess & Surplus lines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 784 contacts → | ||||
Exact match “Chaucer are a leading global specialty (re)insurance group driven by ambition, underpinned by excellence, united by culture.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 690 contacts → | ||||
Exact match “Core Specialty, through its subsidiary insurers, offers a diversified range of property, casualty, and marine insurance products for small to mid-sized businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 685 contacts → | ||||
Exact match “Specialist commercial insurer and reinsurer, underwriting a diversified portfolio of specialty lines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 678 contacts → | ||||
Exact match “Kinsale Insurance is an excess and surplus (E&S) lines insurance company located in Richmond, VA specializing in hard-to-place property, casualty, and specialty risks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 669 contacts → | ||||
Exact match “Headquartered in New York City with offices throughout the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 662 contacts → | ||||
Exact match “Hamilton Insurance Group, Ltd.(“Hamilton”; NYSE: HG) is a Bermuda-headquartered company that underwrites property, casualty and specialty insurance and reinsurance risks on a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 656 contacts → | ||||
Exact match “Admiral Insurance Group, a Berkley company, provides excess and surplus (E&S) lines of commercial insurance exclusively through our nationwide network of wholesale brokers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 625 contacts → | ||||
Exact match “SiriusPoint is a global underwriter of insurance and reinsurance providing solutions to clients and brokers around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 595 contacts → | ||||
Exact match “For more than 45 years, Fortegra and its subsidiaries have delivered risk management solutions that help people and businesses succeed in the face of uncertainty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 587 contacts → | ||||
Exact match “Skyward Specialty is a rapidly growing and innovative specialty insurance company, delivering commercial P&C products and solutions on a non-admitted and admitted basis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 537 contacts → | ||||
Exact match “James River® is a specialty insurer operating on an Excess & Surplus Lines basis in all fifty states and D.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 508 contacts → | ||||
Exact match “Coaction Global (Coaction) is an A.M.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 466 contacts → | ||||
Exact match “Argo Group is a U.S-focused underwriter of specialty insurance products in the property and casualty market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 456 contacts → | ||||
Exact match “RSUI is a leading underwriter of wholesale specialty insurance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 455 contacts → | ||||
Exact match “Jencap is a national wholesale insurance intermediary serving retail agents through wholesale brokerage, binding authority, and program management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 423 contacts → | ||||
Exact match “Society Insurance has been a leading niche insurance carrier since 1915.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “excess and surplus insurance underwriters”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 616 excess and surplus insurance underwriters worldwide
See the full list, filter by size, metro and specialty, and access 22,312 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Excess and surplus insurance underwriters worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for excess and surplus insurance underwriters are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “excess and surplus insurance underwriters” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 22,312 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Excess and surplus insurance underwriters by location
4 lists · largest firstEvery Excess and surplus insurance underwriters list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Excess and surplus insurance underwriters based in the United States299
- Excess and surplus insurance underwriters based in the United Kingdom94
- Excess and surplus insurance underwriters based in Australia37
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “excess and surplus insurance underwriters”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many excess and surplus insurance underwriters are there worldwide?
RevenueBase identified 616 company matches for excess and surplus insurance underwriters worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
RT Specialty tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most excess and surplus insurance underwriters?
The United States leads with 299 companies, followed by the United Kingdom (94) and Australia (37). Every excess and surplus insurance underwriters list by country and city is linked on this page.
Which city has the most excess and surplus insurance underwriters?
London leads with 41 company records, followed by New York (22) and Chicago (15).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 22,312 professional contacts with verified work emails tracked across these 616 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 616 excess and surplus insurance underwriters worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 excess and surplus insurance underwriters worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 616 matching company records for excess and surplus insurance underwriters worldwide, with 47,285 tracked contacts and 22,312 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 excess and surplus insurance underwriters worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  RT Specialtyrtspecialty.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 3,066 contacts → |
“RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Beazleybeazley.comHQ: London, BC, United KingdomReported employees: 1,001-5,000 | London, BC, United Kingdom | 1,001-5,000 | Exact match | 2,710 contacts → |
“We are a specialty insurer with more than three decades of experience in providing clients with the highest standards of underwriting and claims service worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  QBE North Americaqbe.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 2,046 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  RLI Insurance Companyrlicorp.comHQ: Peoria, IL, United StatesReported employees: 1,001-5,000 | Peoria, IL, United States | 1,001-5,000 | Exact match | 1,459 contacts → |
“RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  QBE Europeqbeeurope.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,385 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ryan Specialtyryanspecialty.comHQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 1,192 contacts → |
“Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Capspecialtycapspecialty.comHQ: Middleton, CT, United StatesReported employees: 201-500 | Middleton, CT, United States | 201-500 | Exact match | 1,174 contacts → |
“CapSpecialty® is a leading provider of specialty insurance for small to mid-sized businesses in the U.S, offering casualty, professional liability, surety and fidelity products in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ascot Groupascotgroup.comHQ: London, BermudaReported employees: 1,001-5,000 | London, Bermuda | 1,001-5,000 | Exact match | 1,071 contacts → |
“Ascot Group is a global specialty insurance and reinsurance group with a record of underwriting excellence and superior claims service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Wilkes-barre, PA, United StatesReported employees: 1,001-5,000 | Wilkes-barre, PA, United States | 1,001-5,000 | Exact match | 877 contacts → |
“Rated A+ Superior by AM Best (8/12/26), Berkshire Hathaway GUARD Insurance Companies provides Property & Casualty insurance including Excess & Surplus lines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Chaucer Groupchaucergroup.comHQ: City Of London, United KingdomReported employees: 501-1,000 | City Of London, United Kingdom | 501-1,000 | Exact match | 784 contacts → |
“Chaucer are a leading global specialty (re)insurance group driven by ambition, underpinned by excellence, united by culture.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Core Specialty Insurance Holdings, INCcorespecialty.comHQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 690 contacts → |
“Core Specialty, through its subsidiary insurers, offers a diversified range of property, casualty, and marine insurance products for small to mid-sized businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  IGIiginsure.comHQ: Hamilton, BermudaReported employees: 201-500 | Hamilton, Bermuda | 201-500 | Exact match | 685 contacts → |
“Specialist commercial insurer and reinsurer, underwriting a diversified portfolio of specialty lines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Kinsale Insurancekinsaleins.comHQ: Richmond, VA, United StatesReported employees: 501-1,000 | Richmond, VA, United States | 501-1,000 | Exact match | 678 contacts → |
“Kinsale Insurance is an excess and surplus (E&S) lines insurance company located in Richmond, VA specializing in hard-to-place property, casualty, and specialty risks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Hudson Insurance Grouphudsoninsgroup.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 669 contacts → |
“Headquartered in New York City with offices throughout the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Hamiltonhamiltongroup.comHQ: Pembroke, BermudaReported employees: 501-1,000 | Pembroke, Bermuda | 501-1,000 | Exact match | 662 contacts → |
“Hamilton Insurance Group, Ltd.(“Hamilton”; NYSE: HG) is a Bermuda-headquartered company that underwrites property, casualty and specialty insurance and reinsurance risks on a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Admiral Insurance Group A Berkley Companyadmiralins.comHQ: Moorestown, GA, United StatesReported employees: 201-500 | Moorestown, GA, United States | 201-500 | Exact match | 656 contacts → |
“Admiral Insurance Group, a Berkley company, provides excess and surplus (E&S) lines of commercial insurance exclusively through our nationwide network of wholesale brokers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Siriuspointsiriuspt.comHQ: Corporate Headquarters: Bermuda, NY, SwedenReported employees: 501-1,000 | Corporate Headquarters: Bermuda, NY, Sweden | 501-1,000 | Exact match | 625 contacts → |
“SiriusPoint is a global underwriter of insurance and reinsurance providing solutions to clients and brokers around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Fortegrafortegra.comHQ: Jacksonville, LA, United StatesReported employees: 501-1,000 | Jacksonville, LA, United States | 501-1,000 | Exact match | 595 contacts → |
“For more than 45 years, Fortegra and its subsidiaries have delivered risk management solutions that help people and businesses succeed in the face of uncertainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Skyward Specialty Insuranceskywardinsurance.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 587 contacts → |
“Skyward Specialty is a rapidly growing and innovative specialty insurance company, delivering commercial P&C products and solutions on a non-admitted and admitted basis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  James River Insurance Companyjrvrgroup.comHQ: Richmond, VA, United StatesReported employees: 501-1,000 | Richmond, VA, United States | 501-1,000 | Exact match | 537 contacts → |
“James River® is a specialty insurer operating on an Excess & Surplus Lines basis in all fifty states and D.C.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Coaction Globalcoactionspecialty.comHQ: Morristown, CA, United StatesReported employees: 201-500 | Morristown, CA, United States | 201-500 | Exact match | 508 contacts → |
“Coaction Global (Coaction) is an A.M.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Argo Groupargogroup.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 466 contacts → |
“Argo Group is a U.S-focused underwriter of specialty insurance products in the property and casualty market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Rsui Group, INCrsui.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 456 contacts → |
“RSUI is a leading underwriter of wholesale specialty insurance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Jencapjencapgroup.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 455 contacts → |
“Jencap is a national wholesale insurance intermediary serving retail agents through wholesale brokerage, binding authority, and program management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Society Insurancesocietyinsurance.comHQ: Fond Du Lac, WI, United StatesReported employees: 201-500 | Fond Du Lac, WI, United States | 201-500 | Exact match | 423 contacts → |
“Society Insurance has been a leading niche insurance carrier since 1915.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 616 company matches
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Excess and surplus insurance underwriters: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
609 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 616 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Excess and surplus insurance underwriters by location
4 lists · largest firstEvery Excess and surplus insurance underwriters list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Excess and surplus insurance underwriters based in the United States299
- Excess and surplus insurance underwriters based in the United Kingdom94
- Excess and surplus insurance underwriters based in Australia37
Cities
Questions about this company list
What does Exact match mean for excess and surplus insurance underwriters?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many excess and surplus insurance underwriters did RevenueBase find worldwide?
The saved snapshot records 616 matching company records, 47,285 tracked contacts and 22,312 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 excess and surplus insurance underwriters worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/excess-and-surplus-insurance-underwriters.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 excess and surplus insurance underwriters worldwide
RevenueBase records 616 matching company records for excess and surplus insurance underwriters worldwide, with 47,285 tracked contacts and 22,312 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 excess and surplus insurance underwriters worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | RT Specialtyrtspecialty.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 3,066 contacts → |
“RT Specialty is a leading wholesale distributor of specialty insurance products and services and the wholesale broking specialty for Ryan Specialty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Beazleybeazley.com HQ: London, BC, United KingdomReported employees: 1,001-5,000 | London, BC, United Kingdom | 1,001-5,000 | Exact match | 2,710 contacts → |
“We are a specialty insurer with more than three decades of experience in providing clients with the highest standards of underwriting and claims service worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | QBE North Americaqbe.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 2,046 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | RLI Insurance Companyrlicorp.com HQ: Peoria, IL, United StatesReported employees: 1,001-5,000 | Peoria, IL, United States | 1,001-5,000 | Exact match | 1,459 contacts → |
“RLI is a U.S-based specialty insurer that serves niche property, casualty and surety markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | QBE Europeqbeeurope.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,385 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ryan Specialtyryanspecialty.com HQ: Chicago, IL, United StatesReported employees: 5,001-10,000 | Chicago, IL, United States | 5,001-10,000 | Exact match | 1,192 contacts → |
“Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Capspecialtycapspecialty.com HQ: Middleton, CT, United StatesReported employees: 201-500 | Middleton, CT, United States | 201-500 | Exact match | 1,174 contacts → |
“CapSpecialty® is a leading provider of specialty insurance for small to mid-sized businesses in the U.S, offering casualty, professional liability, surety and fidelity products in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ascot Groupascotgroup.com HQ: London, BermudaReported employees: 1,001-5,000 | London, Bermuda | 1,001-5,000 | Exact match | 1,071 contacts → |
“Ascot Group is a global specialty insurance and reinsurance group with a record of underwriting excellence and superior claims service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Wilkes-barre, PA, United StatesReported employees: 1,001-5,000 | Wilkes-barre, PA, United States | 1,001-5,000 | Exact match | 877 contacts → |
“Rated A+ Superior by AM Best (8/12/26), Berkshire Hathaway GUARD Insurance Companies provides Property & Casualty insurance including Excess & Surplus lines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Chaucer Groupchaucergroup.com HQ: City Of London, United KingdomReported employees: 501-1,000 | City Of London, United Kingdom | 501-1,000 | Exact match | 784 contacts → |
“Chaucer are a leading global specialty (re)insurance group driven by ambition, underpinned by excellence, united by culture.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Core Specialty Insurance Holdings, INCcorespecialty.com HQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 690 contacts → |
“Core Specialty, through its subsidiary insurers, offers a diversified range of property, casualty, and marine insurance products for small to mid-sized businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | IGIiginsure.com HQ: Hamilton, BermudaReported employees: 201-500 | Hamilton, Bermuda | 201-500 | Exact match | 685 contacts → |
“Specialist commercial insurer and reinsurer, underwriting a diversified portfolio of specialty lines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kinsale Insurancekinsaleins.com HQ: Richmond, VA, United StatesReported employees: 501-1,000 | Richmond, VA, United States | 501-1,000 | Exact match | 678 contacts → |
“Kinsale Insurance is an excess and surplus (E&S) lines insurance company located in Richmond, VA specializing in hard-to-place property, casualty, and specialty risks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Hudson Insurance Grouphudsoninsgroup.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 669 contacts → |
“Headquartered in New York City with offices throughout the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hamiltonhamiltongroup.com HQ: Pembroke, BermudaReported employees: 501-1,000 | Pembroke, Bermuda | 501-1,000 | Exact match | 662 contacts → |
“Hamilton Insurance Group, Ltd.(“Hamilton”; NYSE: HG) is a Bermuda-headquartered company that underwrites property, casualty and specialty insurance and reinsurance risks on a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Admiral Insurance Group A Berkley Companyadmiralins.com HQ: Moorestown, GA, United StatesReported employees: 201-500 | Moorestown, GA, United States | 201-500 | Exact match | 656 contacts → |
“Admiral Insurance Group, a Berkley company, provides excess and surplus (E&S) lines of commercial insurance exclusively through our nationwide network of wholesale brokers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Siriuspointsiriuspt.com HQ: Corporate Headquarters: Bermuda, NY, SwedenReported employees: 501-1,000 | Corporate Headquarters: Bermuda, NY, Sweden | 501-1,000 | Exact match | 625 contacts → |
“SiriusPoint is a global underwriter of insurance and reinsurance providing solutions to clients and brokers around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Fortegrafortegra.com HQ: Jacksonville, LA, United StatesReported employees: 501-1,000 | Jacksonville, LA, United States | 501-1,000 | Exact match | 595 contacts → |
“For more than 45 years, Fortegra and its subsidiaries have delivered risk management solutions that help people and businesses succeed in the face of uncertainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Skyward Specialty Insuranceskywardinsurance.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 587 contacts → |
“Skyward Specialty is a rapidly growing and innovative specialty insurance company, delivering commercial P&C products and solutions on a non-admitted and admitted basis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | James River Insurance Companyjrvrgroup.com HQ: Richmond, VA, United StatesReported employees: 501-1,000 | Richmond, VA, United States | 501-1,000 | Exact match | 537 contacts → |
“James River® is a specialty insurer operating on an Excess & Surplus Lines basis in all fifty states and D.C.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Coaction Globalcoactionspecialty.com HQ: Morristown, CA, United StatesReported employees: 201-500 | Morristown, CA, United States | 201-500 | Exact match | 508 contacts → |
“Coaction Global (Coaction) is an A.M.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Argo Groupargogroup.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 466 contacts → |
“Argo Group is a U.S-focused underwriter of specialty insurance products in the property and casualty market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Rsui Group, INCrsui.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 456 contacts → |
“RSUI is a leading underwriter of wholesale specialty insurance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Jencapjencapgroup.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 455 contacts → |
“Jencap is a national wholesale insurance intermediary serving retail agents through wholesale brokerage, binding authority, and program management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Society Insurancesocietyinsurance.com HQ: Fond Du Lac, WI, United StatesReported employees: 201-500 | Fond Du Lac, WI, United States | 201-500 | Exact match | 423 contacts → |
“Society Insurance has been a leading niche insurance carrier since 1915.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 616 company matches
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Excess and surplus insurance underwriters: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
609 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 616 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Excess and surplus insurance underwriters by location
4 lists · largest firstEvery Excess and surplus insurance underwriters list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Excess and surplus insurance underwriters based in the United States299
- Excess and surplus insurance underwriters based in the United Kingdom94
- Excess and surplus insurance underwriters based in Australia37
Cities
Questions about this company list
What does Exact match mean for excess and surplus insurance underwriters?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many excess and surplus insurance underwriters did RevenueBase find worldwide?
The saved snapshot records 616 matching company records, 47,285 tracked contacts and 22,312 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 excess and surplus insurance underwriters worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/excess-and-surplus-insurance-underwriters.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗