Company lists · Data refreshed October 2026

Top 25 Marine and aviation insurers worldwide

RevenueBase identified 2,131 company matches for marine and aviation insurers worldwide as of October 2026 and tracks 113,988 professional contacts across them, including 45,472 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for marine and aviation insurers 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 October 17, 2026. Country and city lists for marine and aviation insurers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 17, 2026 How this list was built
2,131Companies
113,988Contacts tracked
45,472Verified emails
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The 25 largest marine and aviation insurers worldwide

Ranked by team size
Top 25 of 2,131 company matches for marine and aviation insurers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHamilton, BermudaHQ recorded Oct 17, 202610001+10,174 contacts →

Exact match

“We are a leading provider of insurance and reinsurance offering innovative risk management solutions for businesses worldwide.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2Exact matchJohnston, RI, United StatesHQ recorded Oct 17, 20265,001-10,0006,443 contacts →

Exact match

“For nearly 200 years, FM has empowered businesses worldwide to manage risk, prevent loss, and build resilience.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
3Exact matchHanover, GermanyHQ recorded Oct 17, 20265,001-10,0003,949 contacts →

Exact match

“HDI Global SE – Your Trusted Partner in Transformation Companies in the trading, manufacturing, and service industries need a reliable insurance partner.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4Exact matchPembroke, BermudaHQ recorded Oct 17, 20265,001-10,0003,722 contacts →

Exact match

“We are Sompo, a global provider of commercial and consumer property, casualty, and specialty insurance and reinsurance.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Oct 17, 20261,001-5,0003,303 contacts →

Exact match

“With 100+ years of experience across leading industries, We apply an innovation mindset, agile approach, And a global team with local expertise wherever you operate.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6Exact matchGlen Allen, VA, United StatesHQ recorded Oct 17, 20261,001-5,0003,224 contacts →

Exact match

“As the insurance operations within the Markel Group Inc.(NYSE: MKL), we leverage a broad array of capabilities and expertise to create intelligent solutions for the most complex…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7Exact matchWarren, NJ, United StatesHQ recorded Oct 17, 20261,001-5,0003,122 contacts →

Exact match

“Everest Group, Ltd.(“Everest”) is a global underwriting leader providing best-in-class property, casualty, and specialty reinsurance and insurance solutions that address…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,0002,651 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 · Oct 17, 2026 · View company records in RevenueBase
9Exact matchPembroke, BermudaHQ recorded Oct 17, 20261,001-5,0002,396 contacts →

Exact match

“In a world that never stands still – where the nature of risk is constantly evolving and the needs of your customers are continually changing – you need a partner that turns…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 17, 202610001+2,018 contacts →

Exact match

“At QBE we’re driven by our purpose of enabling a more resilient future.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Oct 17, 2026501-1,0001,930 contacts →

Exact match

“Sompo Seguros S.A is a subsidiary of Sompo International, the company responsible for the insurance and reinsurance operations of the Sompo Holdings Group outside Japan.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Oct 17, 20261,001-5,0001,813 contacts →

Exact match

“Berkshire Hathaway Specialty Insurance is an organization committed to providing long-term risk solutions and claims care to our customers backed by the financial strength of…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13Exact matchWola, PolandHQ recorded Oct 17, 20261,001-5,0001,799 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 · Oct 17, 2026 · View company records in RevenueBase
14Exact matchHamilton, BermudaHQ recorded Oct 17, 20265,001-10,0001,716 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15Exact matchMumbai, IndiaHQ recorded Oct 17, 20261,001-5,0001,509 contacts →

Exact match

“Sanoti Properties LLP, an entity jointly held by Adar Poonawalla (90%) and Rising Sun Holdings Pvt.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,0001,361 contacts →

Exact match

“At QBE we’re driven by our purpose of enabling a more resilient future.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17Exact matchCincinnati, OH, United StatesHQ recorded Oct 17, 20261,001-5,0001,148 contacts →

Exact match

“American Modern provides insurance solutions for customers who need coverage not readily found in the general market.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,0001,108 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 · Oct 17, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,000970 contacts →

Exact match

“Our history has made us.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20Exact matchDubai, United Arab EmiratesHQ recorded Oct 17, 2026501-1,000840 contacts →

Exact match

“Established in 1975, Oman Insurance Company is one of the leading insurance providers in the UAE.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21Exact matchVictoria Island, NigeriaHQ recorded Oct 17, 2026201-500824 contacts →

Exact match

“We are Cornerstone Insurance Plc.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,000750 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 · Oct 17, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 17, 2026501-1,000716 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 · Oct 17, 2026 · View company records in RevenueBase
24Exact matchCincinnati, OH, United StatesHQ recorded Oct 17, 20261,001-5,000685 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 · Oct 17, 2026 · View company records in RevenueBase
25Exact matchHamilton, BermudaHQ recorded Oct 17, 2026201-500673 contacts →

Exact match

“Specialist commercial insurer and reinsurer, underwriting a diversified portfolio of specialty lines.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase

Showing 25 of 2,131 marine and aviation insurers worldwide

See the full list, filter by size, metro and specialty, and access 45,472 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marine and aviation insurers worldwide at a glance

As of Oct 17, 2026
39.9%Verified-email coverage
53.5Average contacts per company
11-50Median size (employees)
5.1%Largest-city concentration · London
Oct 17, 2026Page data refreshed

Companies by employee count

1-10
955
11-50
692
51-200
259
201-500
106
501-1,000
39
1,001-5,000
42
5,001-10,000
10
10001+
14

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 and aviation insurers are linked below.
What qualifies
Company records worldwide whose business descriptions match “marine and aviation insurers” 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 45,472 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 October 17, 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 and aviation insurers by location

16 lists · largest first

Every Marine and aviation insurers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 and aviation insurers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marine and aviation insurers are there worldwide?

RevenueBase identified 2,131 company matches for marine and aviation insurers worldwide as of October 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?

AXA XL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most marine and aviation insurers?

The United States leads with 353 companies, followed by the United Kingdom (198) and Brazil (139). Every marine and aviation insurers list by country and city is linked on this page.

Which city has the most marine and aviation insurers?

London leads with 108 company records, followed by Sao Paulo (42) and Hamburg (31).

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 45,472 professional contacts with verified work emails tracked across these 2,131 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 October 17, 2026.

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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.