Company lists · Data refreshed September 2026
Top 25 Specialty insurance companies based in the United Kingdom
RevenueBase identified 422 company matches for specialty insurance companies associated with the United Kingdom as of September 2026 and tracks 25,600 professional contacts across them, including 12,003 with verified work emails. London is the largest hub.
This list covers company matches for specialty insurance companies associated with the United Kingdom, 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 September 18, 2026.
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 specialty insurance companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,564 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 · Sep 18, 2026 · View company records in RevenueBase | |||||
| 2 | 1,343 contacts → | ||||
Exact match “At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 3 | 1,201 contacts → | ||||
Exact match “We are a specialist insurer and reinsurer with a 100-year record of helping clients navigate the world’s most complex and demanding risks.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 4 | 1,115 contacts → | ||||
Exact match “CFC is a specialist insurance provider, pioneer in emerging risk and market leader in cyber.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 5 | 926 contacts → | ||||
Exact match “As the insurance operations within the Markel Group Inc.(NYSE: MKL), we operate the Markel Specialty, Markel International, and Markel Global Reinsurance divisions, as well as…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 6 | 918 contacts → | ||||
Exact match “Our history has made us.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 7 | 740 contacts → | ||||
Exact match “For over 135 years, we‘ve provided specialist insurance, expert risk management and knowledge, and award-winning service* to our clients and partners.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 8 | 694 contacts → | ||||
Exact match “Chaucer are a leading specialty (re)insurance group working with brokers, coverholders and clients to protect and support business activities around the world.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 9 | 690 contacts → | ||||
Exact match “No matter where you are on your growth journey, we can help you find solutions to meet your ever-evolving insurance and risk management needs.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 10 | 677 contacts → | ||||
Exact match “Tokio Marine Kiln is a leading international insurer with a reputation for specialist underwriting excellence, great people and innovative products.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 11 | 553 contacts → | ||||
Exact match “CNA Hardy is a leading specialist commercial insurance provider for clients within the Lloyd’s and company markets.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 12 | 509 contacts → | ||||
Exact match “ERS is the UK's largest specialist motor insurer with an A+ rating.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 13 | 484 contacts → | ||||
Exact match “As a global specialty insurance broker, Amwins Global Risks – formerly THB – delivers insurance and reinsurance coverage to clients around the world.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 14 | 463 contacts → | ||||
Exact match “Tokio Marine HCC is a leading specialty insurance group conducting business in approximately 180 countries and underwriting more than 100 classes of specialty insurance.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 15 | 449 contacts → | ||||
Exact match “At SSY, we believe that experience matters.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 16 | 423 contacts → | ||||
Exact match “The Thomas Miller Group is an international provider of market leading insurance services.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 17 | 346 contacts → | ||||
Exact match “IQUW is now Starr.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 18 | 330 contacts → | ||||
Exact match “At Arch Insurance, we trade how you want to trade.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 19 | 268 contacts → | ||||
Exact match “Apollo was launched in 2009 to provide clients and brokers with an agile and entrepreneurial insurance partner.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 20 | 257 contacts → | ||||
Exact match “In an industry often shaped by legacy and complexity, Inigo was built to be different.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 21 | 234 contacts → | ||||
Exact match “Atrium is a leading (re)insurance group at Lloyd's, the world's specialist insurance market.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 22 | 215 contacts → | ||||
Exact match “Newline Group is a market leading specialty insurance group that operates through three underwriting platforms: Newline Syndicate 1218 at Lloyd’s, Newline Insurance Company…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 23 | 180 contacts → | ||||
Exact match “Munich Re Specialty combines premier specialty expertise, capabilities, and products to offer partners and customers simplified access to a wide range of specialty insurance…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 24 | 174 contacts → | ||||
Exact match “At Academy, we do insurance differently.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 25 | 159 contacts → | ||||
Exact match “BPL is the world’s leading independent broker specialising exclusively in credit and political risk insurance (CPRI) for multinational corporations, banks and financial…” Recorded in the RevenueBase company graph · Sep 18, 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 “specialty insurance companies”. 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 422 specialty insurance companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 12,003 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Specialty insurance companies based in the United Kingdom at a glance
As of Sep 18, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 422 companies.
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.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “specialty insurance companies” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 12,003 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 September 18, 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.
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 “specialty insurance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many specialty insurance companies are there based in the United Kingdom?
RevenueBase identified 422 company matches for specialty insurance companies associated with the United Kingdom as of September 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?
Beazley tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most specialty insurance companies?
London leads with 165 company records, followed by Manchester (12) and Birmingham (11).
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 12,003 professional contacts with verified work emails tracked across these 422 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 September 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 422 specialty insurance companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Specialty insurance companies by geography
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- Specialty insurance companies based in New York, United States
- Specialty insurance companies based in Argentina
- Specialty insurance companies based in Australia
- Specialty insurance companies based in Belgium
- Specialty insurance companies based in Brazil
- Specialty insurance companies based in Canada
- Specialty insurance companies based in France
- Specialty insurance companies based in Germany
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Specialty insurance companies based in Atlanta, United States
- Specialty insurance companies based in Chicago, United States
- Specialty insurance companies based in Dallas, United States
- Specialty insurance companies based in Houston, United States
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Company intelligence · public preview
Top 25 specialty insurance companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 422 matching company records for specialty insurance companies based in the United Kingdom, with 25,600 tracked contacts and 12,003 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: September 18, 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 specialty insurance companies based in the United Kingdom
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 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 2,564 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 · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,343 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MS Amlinmsamlin.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,201 contacts → |
“We are a specialist insurer and reinsurer with a 100-year record of helping clients navigate the world’s most complex and demanding risks.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,115 contacts → |
“CFC is a specialist insurance provider, pioneer in emerging risk and market leader in cyber.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 926 contacts → |
“As the insurance operations within the Markel Group Inc.(NYSE: MKL), we operate the Markel Specialty, Markel International, and Markel Global Reinsurance divisions, as well as…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 918 contacts → |
“Our history has made us.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ecclesiastical Insurance UKecclesiastical.com HQ: Gloucester, United KingdomReported employees: 1,001-5,000 | Gloucester, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“For over 135 years, we‘ve provided specialist insurance, expert risk management and knowledge, and award-winning service* to our clients and partners.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Chaucer Groupchaucergroup.com HQ: City Of London, United KingdomReported employees: 501-1,000 | City Of London, United Kingdom | 501-1,000 | Exact match | 694 contacts → |
“Chaucer are a leading specialty (re)insurance group working with brokers, coverholders and clients to protect and support business activities around the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 690 contacts → |
“No matter where you are on your growth journey, we can help you find solutions to meet your ever-evolving insurance and risk management needs.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tokio Marine Kilntmkiln.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 677 contacts → |
“Tokio Marine Kiln is a leading international insurer with a reputation for specialist underwriting excellence, great people and innovative products.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 553 contacts → |
“CNA Hardy is a leading specialist commercial insurance provider for clients within the Lloyd’s and company markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 509 contacts → |
“ERS is the UK's largest specialist motor insurer with an A+ rating.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: City Of London, United KingdomReported employees: 501-1,000 | City Of London, United Kingdom | 501-1,000 | Exact match | 484 contacts → |
“As a global specialty insurance broker, Amwins Global Risks – formerly THB – delivers insurance and reinsurance coverage to clients around the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 463 contacts → |
“Tokio Marine HCC is a leading specialty insurance group conducting business in approximately 180 countries and underwriting more than 100 classes of specialty insurance.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 449 contacts → |
“At SSY, we believe that experience matters.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 423 contacts → |
“The Thomas Miller Group is an international provider of market leading insurance services.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: City Of London, United KingdomReported employees: 201-500 | City Of London, United Kingdom | 201-500 | Exact match | 346 contacts → |
“IQUW is now Starr.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 330 contacts → |
“At Arch Insurance, we trade how you want to trade.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 268 contacts → |
“Apollo was launched in 2009 to provide clients and brokers with an agile and entrepreneurial insurance partner.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 257 contacts → |
“In an industry often shaped by legacy and complexity, Inigo was built to be different.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 234 contacts → |
“Atrium is a leading (re)insurance group at Lloyd's, the world's specialist insurance market.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Newline Groupnewlinegroup.com HQ: London Ec3m 5bn, United KingdomReported employees: 201-500 | London Ec3m 5bn, United Kingdom | 201-500 | Exact match | 215 contacts → |
“Newline Group is a market leading specialty insurance group that operates through three underwriting platforms: Newline Syndicate 1218 at Lloyd’s, Newline Insurance Company…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 180 contacts → |
“Munich Re Specialty combines premier specialty expertise, capabilities, and products to offer partners and customers simplified access to a wide range of specialty insurance…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: United KingdomReported employees: 201-500 | United Kingdom | 201-500 | Exact match | 174 contacts → |
“At Academy, we do insurance differently.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 159 contacts → |
“BPL is the world’s leading independent broker specialising exclusively in credit and political risk insurance (CPRI) for multinational corporations, banks and financial…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 422 company matches
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Specialty insurance companies: dataset insights
September 18, 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
420 records in the displayed employee bands.
2 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 422 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: September 18, 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 ↗
Questions about this company list
What does Exact match mean for specialty insurance companies?
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 specialty insurance companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 422 matching company records, 25,600 tracked contacts and 12,003 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: September 18, 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.
Related lists
Specialty insurance companies by geography
- Specialty insurance companies based in Atlanta, United States
- Specialty insurance companies based in Chicago, United States
- Specialty insurance companies based in Dallas, United States
- Specialty insurance companies based in Houston, United States
- Specialty insurance companies based in New York, United States
- Specialty insurance companies based in Argentina
- Specialty insurance companies based in Australia
- Specialty insurance companies based in Belgium
- Specialty insurance companies based in Brazil
- Specialty insurance companies based in Canada
- Specialty insurance companies based in France
- Specialty insurance companies based in Germany
Cite this list
RevenueBase Data Team. Top 25 specialty insurance companies based in the United Kingdom. Snapshot: September 18, 2026. https://revenuebase.ai/companies/specialty-insurance-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Specialty insurance companies based in Atlanta, United States
- Specialty insurance companies based in Chicago, United States
- Specialty insurance companies based in Dallas, United States
- Specialty insurance companies based in Houston, United States
- Specialty insurance companies based in New York, United States
- Specialty insurance companies based in Argentina
Company intelligence · public preview
Top 25 specialty insurance companies based in the United Kingdom
RevenueBase records 422 matching company records for specialty insurance companies based in the United Kingdom, with 25,600 tracked contacts and 12,003 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: September 18, 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 specialty insurance companies based in the United Kingdom
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 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 2,564 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 · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,343 contacts → |
“At QBE we’re driven by our purpose of enabling a more resilient future.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MS Amlinmsamlin.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,201 contacts → |
“We are a specialist insurer and reinsurer with a 100-year record of helping clients navigate the world’s most complex and demanding risks.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,115 contacts → |
“CFC is a specialist insurance provider, pioneer in emerging risk and market leader in cyber.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 926 contacts → |
“As the insurance operations within the Markel Group Inc.(NYSE: MKL), we operate the Markel Specialty, Markel International, and Markel Global Reinsurance divisions, as well as…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 918 contacts → |
“Our history has made us.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ecclesiastical Insurance UKecclesiastical.com HQ: Gloucester, United KingdomReported employees: 1,001-5,000 | Gloucester, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“For over 135 years, we‘ve provided specialist insurance, expert risk management and knowledge, and award-winning service* to our clients and partners.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Chaucer Groupchaucergroup.com HQ: City Of London, United KingdomReported employees: 501-1,000 | City Of London, United Kingdom | 501-1,000 | Exact match | 694 contacts → |
“Chaucer are a leading specialty (re)insurance group working with brokers, coverholders and clients to protect and support business activities around the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 690 contacts → |
“No matter where you are on your growth journey, we can help you find solutions to meet your ever-evolving insurance and risk management needs.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tokio Marine Kilntmkiln.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 677 contacts → |
“Tokio Marine Kiln is a leading international insurer with a reputation for specialist underwriting excellence, great people and innovative products.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 553 contacts → |
“CNA Hardy is a leading specialist commercial insurance provider for clients within the Lloyd’s and company markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 509 contacts → |
“ERS is the UK's largest specialist motor insurer with an A+ rating.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: City Of London, United KingdomReported employees: 501-1,000 | City Of London, United Kingdom | 501-1,000 | Exact match | 484 contacts → |
“As a global specialty insurance broker, Amwins Global Risks – formerly THB – delivers insurance and reinsurance coverage to clients around the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 463 contacts → |
“Tokio Marine HCC is a leading specialty insurance group conducting business in approximately 180 countries and underwriting more than 100 classes of specialty insurance.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 449 contacts → |
“At SSY, we believe that experience matters.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 423 contacts → |
“The Thomas Miller Group is an international provider of market leading insurance services.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: City Of London, United KingdomReported employees: 201-500 | City Of London, United Kingdom | 201-500 | Exact match | 346 contacts → |
“IQUW is now Starr.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 330 contacts → |
“At Arch Insurance, we trade how you want to trade.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 268 contacts → |
“Apollo was launched in 2009 to provide clients and brokers with an agile and entrepreneurial insurance partner.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 257 contacts → |
“In an industry often shaped by legacy and complexity, Inigo was built to be different.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 234 contacts → |
“Atrium is a leading (re)insurance group at Lloyd's, the world's specialist insurance market.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Newline Groupnewlinegroup.com HQ: London Ec3m 5bn, United KingdomReported employees: 201-500 | London Ec3m 5bn, United Kingdom | 201-500 | Exact match | 215 contacts → |
“Newline Group is a market leading specialty insurance group that operates through three underwriting platforms: Newline Syndicate 1218 at Lloyd’s, Newline Insurance Company…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 180 contacts → |
“Munich Re Specialty combines premier specialty expertise, capabilities, and products to offer partners and customers simplified access to a wide range of specialty insurance…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: United KingdomReported employees: 201-500 | United Kingdom | 201-500 | Exact match | 174 contacts → |
“At Academy, we do insurance differently.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 159 contacts → |
“BPL is the world’s leading independent broker specialising exclusively in credit and political risk insurance (CPRI) for multinational corporations, banks and financial…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 422 company matches
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Specialty insurance companies: dataset insights
September 18, 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
420 records in the displayed employee bands.
2 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 422 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: September 18, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Questions about this company list
What does Exact match mean for specialty insurance companies?
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 specialty insurance companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 422 matching company records, 25,600 tracked contacts and 12,003 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: September 18, 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 specialty insurance companies based in the United Kingdom. Snapshot: September 18, 2026. https://revenuebase.ai/companies/specialty-insurance-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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