Company lists · Data refreshed November 2026
Top 25 Marine underwriting agencies worldwide
RevenueBase identified 1,126 company matches for marine underwriting agencies worldwide as of November 2026 and tracks 24,652 professional contacts across them, including 8,391 with verified work emails. The United Kingdom is the largest market and London the largest hub.
This list covers company matches for marine underwriting agencies 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 marine underwriting agencies 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 marine underwriting agencies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,855 contacts → | ||||
Exact match “WARTA Insurance and Reinsurance Company maintains a steady position as the second largest insurer on the market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,237 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 | |||||
| 4 | 671 contacts → | ||||
Exact match “Gard is a shipowner-controlled provider of P&I, marine and energy insurance products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 657 contacts → | ||||
Exact match “Mitsui Sumitomo Insurance Company, Limited ("MSI") was formed in October 2001 through a merger between the former Mitsui Marine & Fire Insurance Co, Ltd.("Mitsui Marine") and the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 623 contacts → | ||||
Exact match “The home of NorthStandard updates.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 516 contacts → | ||||
Exact match “At SSY, we believe that experience matters.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 512 contacts → | ||||
Exact match “As an MGA, we offer a great deal of specialty products with professional service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 459 contacts → | ||||
Exact match “Bracht Deckers & Mackelbert NV (BDM), opgericht in 1934, is één van de meest gevestigde en gerespecteerde gevolmachtigde onderschrijvers in de Benelux-regio.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 400 contacts → | ||||
Exact match “ALDAGI was the first insurance company to be founded in the Georgian market in 1990.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 360 contacts → | ||||
Exact match “At Arch Insurance, we trade how you want to trade.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 337 contacts → | ||||
Exact match “Atlantic Casualty Insurance Company (Atlantic Casualty) was formed by Strickland Insurance Group (SIG) in 1983 to underwrite a substantial book of non-standard personal auto.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 326 contacts → | ||||
Exact match “World leading marine insurer, second-to-none service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 279 contacts → | ||||
Exact match “Insurance you can trust Under the Supervision & Regulation of the Insurance Authority متكاملة للتأمين خاضعة لإشراف ورقابة هيئة التأمين.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 227 contacts → | ||||
Exact match “Askari General Insurance Company Limited (AGICO) is an Insurance Company under the umbrella of the Army Welfare Trust.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 223 contacts → | ||||
Exact match “The Nacora Group is a wholly-owned Kuehne + Nagel subsidiary and operates over 40 offices in 30 countries worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 220 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 217 contacts → | ||||
Exact match “Cambiaso Risso Marine, with its main office in Genoa and further centres of excellence in Italy, Athens, Singapore and Bergen, is a leading insurance broking and consulting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 212 contacts → | ||||
Exact match “The Shipowners’ Club is a mutual insurance association.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 203 contacts → | ||||
Exact match “Rokstone is one of the world’s largest MGAs, with offices in the UK, Europe, USA, Asia, Africa and the Middle East.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 198 contacts → | ||||
Exact match “Incorporated as Colonial Fire & General Insurance Company Limited in 1955 by the late Cyril Lucius Duprey the founder of CLICO.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 192 contacts → | ||||
Exact match “The shipping industry is an ever-changing landscape.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 179 contacts → | ||||
Exact match “Post & Co is a fourth generation, family owned and fully independent underwriting agent and insurance intermediary, specialised in marine liabilities, multimodal transport…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 175 contacts → | ||||
Exact match “The American Equity Underwriters, Inc.(AEU) delivers specialized coverage and risk management solutions to waterfront employers across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 174 contacts → | ||||
Exact match “West is a leading mutual marine insurer providing its worldwide membership of shipowners, charterers and operators with liability insurance and related services.” 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 “marine underwriting agencies”. 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 1,126 marine underwriting agencies worldwide
See the full list, filter by size, metro and specialty, and access 8,391 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Marine underwriting agencies 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 marine underwriting agencies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “marine underwriting agencies” 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 8,391 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.
Marine underwriting agencies by location
7 lists · largest firstEvery Marine underwriting agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Marine underwriting agencies based in the United Kingdom193
- Marine underwriting agencies based in the United States189
- Marine underwriting agencies based in Germany50
- Marine underwriting agencies based in Australia40
- Marine underwriting agencies based in Greece33
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 “marine underwriting agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many marine underwriting agencies are there worldwide?
RevenueBase identified 1,126 company matches for marine underwriting agencies 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?
WARTA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most marine underwriting agencies?
The United Kingdom leads with 193 companies, followed by the United States (189) and Germany (50). Every marine underwriting agencies list by country and city is linked on this page.
Which city has the most marine underwriting agencies?
London leads with 92 company records, followed by Hamburg (25) and Singapore (13).
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 8,391 professional contacts with verified work emails tracked across these 1,126 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 1,126 marine underwriting agencies 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 marine underwriting agencies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,126 matching company records for marine underwriting agencies worldwide, with 24,652 tracked contacts and 8,391 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 marine underwriting agencies 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 |  WARTAwarta.plHQ: Wola, PolandReported employees: 1,001-5,000 | Wola, Poland | 1,001-5,000 | Exact match | 1,855 contacts → |
“WARTA Insurance and Reinsurance Company maintains a steady position as the second largest insurer on the market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  MS Amlinmsamlin.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,237 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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. | |||||
| 4 |  Gard ASgard.noHQ: Arendal, NorwayReported employees: 501-1,000 | Arendal, Norway | 501-1,000 | Exact match | 671 contacts → |
“Gard is a shipowner-controlled provider of P&I, marine and energy insurance products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: 千代田区, JapanReported employees: 10001+ | 千代田区, Japan | 10001+ | Exact match | 657 contacts → |
“Mitsui Sumitomo Insurance Company, Limited ("MSI") was formed in October 2001 through a merger between the former Mitsui Marine & Fire Insurance Co, Ltd.("Mitsui Marine") and the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Northstandardnorth-standard.comHQ: Newcastle Upon Tyne, United KingdomReported employees: 501-1,000 | Newcastle Upon Tyne, United Kingdom | 501-1,000 | Exact match | 623 contacts → |
“The home of NorthStandard updates.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  SSYssyglobal.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 516 contacts → |
“At SSY, we believe that experience matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bass Underwritersbassuw.comHQ: Plantation, TX, United StatesReported employees: 501-1,000 | Plantation, TX, United States | 501-1,000 | Exact match | 512 contacts → |
“As an MGA, we offer a great deal of specialty products with professional service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  BDMbdmantwerp.beHQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 459 contacts → |
“Bracht Deckers & Mackelbert NV (BDM), opgericht in 1934, is één van de meest gevestigde en gerespecteerde gevolmachtigde onderschrijvers in de Benelux-regio.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Aldagialdagi.geHQ: Tbilisi, GeorgiaReported employees: 501-1,000 | Tbilisi, Georgia | 501-1,000 | Exact match | 400 contacts → |
“ALDAGI was the first insurance company to be founded in the Georgian market in 1990.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Arch Insurance UK Limitedarchinsurance.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 360 contacts → |
“At Arch Insurance, we trade how you want to trade.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Atlantic Casualty Insurance COatlanticcasualty.netHQ: Goldsboro, VA, United StatesReported employees: 201-500 | Goldsboro, VA, United States | 201-500 | Exact match | 337 contacts → |
“Atlantic Casualty Insurance Company (Atlantic Casualty) was formed by Strickland Insurance Group (SIG) in 1983 to underwrite a substantial book of non-standard personal auto.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  SKULDskuld.comHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 326 contacts → |
“World leading marine insurer, second-to-none service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Mutakamela Insurancemutakamela.saHQ: Riyadh, Saudi ArabiaReported employees: 201-500 | Riyadh, Saudi Arabia | 201-500 | Exact match | 279 contacts → |
“Insurance you can trust Under the Supervision & Regulation of the Insurance Authority متكاملة للتأمين خاضعة لإشراف ورقابة هيئة التأمين.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Askari General Insurance Company Limitedagico.com.pk HQ: Rawalpindi, PakistanReported employees: 201-500 | Rawalpindi, Pakistan | 201-500 | Exact match | 227 contacts → |
“Askari General Insurance Company Limited (AGICO) is an Insurance Company under the umbrella of the Army Welfare Trust.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nacora International Insurance Brokersnacora.comHQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 223 contacts → |
“The Nacora Group is a wholly-owned Kuehne + Nagel subsidiary and operates over 40 offices in 30 countries worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Newline Groupnewlinegroup.comHQ: London Ec3m 5bn, United KingdomReported employees: 201-500 | London Ec3m 5bn, United Kingdom | 201-500 | Exact match | 220 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cambiaso Risso Groupcambiasorisso.comHQ: Genoa, ItalyReported employees: 201-500 | Genoa, Italy | 201-500 | Exact match | 217 contacts → |
“Cambiaso Risso Marine, with its main office in Genoa and further centres of excellence in Italy, Athens, Singapore and Bergen, is a leading insurance broking and consulting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  The Shipowners' Clubshipownersclub.comHQ: Hong Kong, LuxembourgReported employees: 51-200 | Hong Kong, Luxembourg | 51-200 | Exact match | 212 contacts → |
“The Shipowners’ Club is a mutual insurance association.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Rokstone Underwritingrokstoneuw.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“Rokstone is one of the world’s largest MGAs, with offices in the UK, Europe, USA, Asia, Africa and the Middle East.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Colfirecolfire.comHQ: Port Of Spain, Trinidad and TobagoReported employees: 201-500 | Port Of Spain, Trinidad and Tobago | 201-500 | Exact match | 198 contacts → |
“Incorporated as Colonial Fire & General Insurance Company Limited in 1955 by the late Cyril Lucius Duprey the founder of CLICO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  The Swedish Clubswedishclub.comHQ: Gothenburg, SwedenReported employees: 51-200 | Gothenburg, Sweden | 51-200 | Exact match | 192 contacts → |
“The shipping industry is an ever-changing landscape.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Post & COpost-co.comHQ: Rotterdam, NetherlandsReported employees: Not recorded | Rotterdam, Netherlands | Not recorded | Exact match | 179 contacts → |
“Post & Co is a fourth generation, family owned and fully independent underwriting agent and insurance intermediary, specialised in marine liabilities, multimodal transport…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  The American Equity Underwriters, INCamequity.comHQ: Mobile, AL, United StatesReported employees: 51-200 | Mobile, AL, United States | 51-200 | Exact match | 175 contacts → |
“The American Equity Underwriters, Inc.(AEU) delivers specialized coverage and risk management solutions to waterfront employers across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  WESTwestpandi.comHQ: Kong, LuxembourgReported employees: 51-200 | Kong, Luxembourg | 51-200 | Exact match | 174 contacts → |
“West is a leading mutual marine insurer providing its worldwide membership of shipowners, charterers and operators with liability insurance and related services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,126 company matches
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Marine underwriting agencies: 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
1,109 records in the displayed employee bands.
17 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 1,126 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 ↗
Marine underwriting agencies by location
7 lists · largest firstEvery Marine underwriting agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Marine underwriting agencies based in the United Kingdom193
- Marine underwriting agencies based in the United States189
- Marine underwriting agencies based in Germany50
- Marine underwriting agencies based in Australia40
- Marine underwriting agencies based in Greece33
Cities
Questions about this company list
What does Exact match mean for marine underwriting agencies?
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 marine underwriting agencies did RevenueBase find worldwide?
The saved snapshot records 1,126 matching company records, 24,652 tracked contacts and 8,391 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 marine underwriting agencies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/marine-underwriting-agencies.
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 marine underwriting agencies worldwide
RevenueBase records 1,126 matching company records for marine underwriting agencies worldwide, with 24,652 tracked contacts and 8,391 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 marine underwriting agencies 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 | WARTAwarta.pl HQ: Wola, PolandReported employees: 1,001-5,000 | Wola, Poland | 1,001-5,000 | Exact match | 1,855 contacts → |
“WARTA Insurance and Reinsurance Company maintains a steady position as the second largest insurer on the market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | MS Amlinmsamlin.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,237 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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. | |||||
| 4 | Gard ASgard.no HQ: Arendal, NorwayReported employees: 501-1,000 | Arendal, Norway | 501-1,000 | Exact match | 671 contacts → |
“Gard is a shipowner-controlled provider of P&I, marine and energy insurance products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: 千代田区, JapanReported employees: 10001+ | 千代田区, Japan | 10001+ | Exact match | 657 contacts → |
“Mitsui Sumitomo Insurance Company, Limited ("MSI") was formed in October 2001 through a merger between the former Mitsui Marine & Fire Insurance Co, Ltd.("Mitsui Marine") and the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Northstandardnorth-standard.com HQ: Newcastle Upon Tyne, United KingdomReported employees: 501-1,000 | Newcastle Upon Tyne, United Kingdom | 501-1,000 | Exact match | 623 contacts → |
“The home of NorthStandard updates.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SSYssyglobal.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 516 contacts → |
“At SSY, we believe that experience matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bass Underwritersbassuw.com HQ: Plantation, TX, United StatesReported employees: 501-1,000 | Plantation, TX, United States | 501-1,000 | Exact match | 512 contacts → |
“As an MGA, we offer a great deal of specialty products with professional service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | BDMbdmantwerp.be HQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 459 contacts → |
“Bracht Deckers & Mackelbert NV (BDM), opgericht in 1934, is één van de meest gevestigde en gerespecteerde gevolmachtigde onderschrijvers in de Benelux-regio.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Aldagialdagi.ge HQ: Tbilisi, GeorgiaReported employees: 501-1,000 | Tbilisi, Georgia | 501-1,000 | Exact match | 400 contacts → |
“ALDAGI was the first insurance company to be founded in the Georgian market in 1990.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Arch Insurance UK Limitedarchinsurance.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 360 contacts → |
“At Arch Insurance, we trade how you want to trade.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Atlantic Casualty Insurance COatlanticcasualty.net HQ: Goldsboro, VA, United StatesReported employees: 201-500 | Goldsboro, VA, United States | 201-500 | Exact match | 337 contacts → |
“Atlantic Casualty Insurance Company (Atlantic Casualty) was formed by Strickland Insurance Group (SIG) in 1983 to underwrite a substantial book of non-standard personal auto.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SKULDskuld.com HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 326 contacts → |
“World leading marine insurer, second-to-none service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Mutakamela Insurancemutakamela.sa HQ: Riyadh, Saudi ArabiaReported employees: 201-500 | Riyadh, Saudi Arabia | 201-500 | Exact match | 279 contacts → |
“Insurance you can trust Under the Supervision & Regulation of the Insurance Authority متكاملة للتأمين خاضعة لإشراف ورقابة هيئة التأمين.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Askari General Insurance Company Limitedagico.com.pk HQ: Rawalpindi, PakistanReported employees: 201-500 | Rawalpindi, Pakistan | 201-500 | Exact match | 227 contacts → |
“Askari General Insurance Company Limited (AGICO) is an Insurance Company under the umbrella of the Army Welfare Trust.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nacora International Insurance Brokersnacora.com HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 223 contacts → |
“The Nacora Group is a wholly-owned Kuehne + Nagel subsidiary and operates over 40 offices in 30 countries worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Newline Groupnewlinegroup.com HQ: London Ec3m 5bn, United KingdomReported employees: 201-500 | London Ec3m 5bn, United Kingdom | 201-500 | Exact match | 220 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cambiaso Risso Groupcambiasorisso.com HQ: Genoa, ItalyReported employees: 201-500 | Genoa, Italy | 201-500 | Exact match | 217 contacts → |
“Cambiaso Risso Marine, with its main office in Genoa and further centres of excellence in Italy, Athens, Singapore and Bergen, is a leading insurance broking and consulting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Shipowners' Clubshipownersclub.com HQ: Hong Kong, LuxembourgReported employees: 51-200 | Hong Kong, Luxembourg | 51-200 | Exact match | 212 contacts → |
“The Shipowners’ Club is a mutual insurance association.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Rokstone Underwritingrokstoneuw.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“Rokstone is one of the world’s largest MGAs, with offices in the UK, Europe, USA, Asia, Africa and the Middle East.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Colfirecolfire.com HQ: Port Of Spain, Trinidad and TobagoReported employees: 201-500 | Port Of Spain, Trinidad and Tobago | 201-500 | Exact match | 198 contacts → |
“Incorporated as Colonial Fire & General Insurance Company Limited in 1955 by the late Cyril Lucius Duprey the founder of CLICO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Swedish Clubswedishclub.com HQ: Gothenburg, SwedenReported employees: 51-200 | Gothenburg, Sweden | 51-200 | Exact match | 192 contacts → |
“The shipping industry is an ever-changing landscape.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Post & COpost-co.com HQ: Rotterdam, NetherlandsReported employees: Not recorded | Rotterdam, Netherlands | Not recorded | Exact match | 179 contacts → |
“Post & Co is a fourth generation, family owned and fully independent underwriting agent and insurance intermediary, specialised in marine liabilities, multimodal transport…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | The American Equity Underwriters, INCamequity.com HQ: Mobile, AL, United StatesReported employees: 51-200 | Mobile, AL, United States | 51-200 | Exact match | 175 contacts → |
“The American Equity Underwriters, Inc.(AEU) delivers specialized coverage and risk management solutions to waterfront employers across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | WESTwestpandi.com HQ: Kong, LuxembourgReported employees: 51-200 | Kong, Luxembourg | 51-200 | Exact match | 174 contacts → |
“West is a leading mutual marine insurer providing its worldwide membership of shipowners, charterers and operators with liability insurance and related services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Marine underwriting agencies: 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
1,109 records in the displayed employee bands.
17 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 1,126 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 ↗
Marine underwriting agencies by location
7 lists · largest firstEvery Marine underwriting agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Marine underwriting agencies based in the United Kingdom193
- Marine underwriting agencies based in the United States189
- Marine underwriting agencies based in Germany50
- Marine underwriting agencies based in Australia40
- Marine underwriting agencies based in Greece33
Cities
Questions about this company list
What does Exact match mean for marine underwriting agencies?
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 marine underwriting agencies did RevenueBase find worldwide?
The saved snapshot records 1,126 matching company records, 24,652 tracked contacts and 8,391 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.
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Cite this list
RevenueBase Data Team. Top 25 marine underwriting agencies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/marine-underwriting-agencies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗