Company lists · Data refreshed October 2026

Top 25 Marine and aviation insurance companies worldwide

RevenueBase identified 1,885 company matches for marine and aviation insurance companies worldwide as of October 2026 and tracks 98,541 professional contacts across them, including 35,007 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 insurance companies 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 insurance companies 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
1,885Companies
98,541Contacts tracked
35,007Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest marine and aviation insurance companies worldwide

Ranked by team size
Top 25 of 1,885 company matches for marine and aviation insurance companies 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 matchNew York, NY, United StatesHQ recorded Oct 17, 202610001+33,538 contacts →

Exact match

“Travelers provides insurance coverage to protect the things that are important to you – your home, your car, your valuables and your business.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact matchParis, FranceHQ recorded Oct 17, 20261,001-5,0002,722 contacts →

Exact match

“With 4,400 employees, SMABTP provides insurance coverage for over clients and members, meeting all their insurance needs, from businesses, professionals, artisans, and executives…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact 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
12Exact matchManila, PhilippinesHQ recorded Oct 17, 2026501-1,000725 contacts →

Exact match

“Malayan Insurance Co, Inc.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchArendal, NorwayHQ recorded Oct 17, 2026501-1,000651 contacts →

Exact match

“Gard is a shipowner-controlled provider of P&I, marine and energy insurance products.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15Exact match千代田区, JapanHQ recorded Oct 17, 202610001+636 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 · Oct 17, 2026 · View company records in RevenueBase
16Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Oct 17, 2026501-1,000585 contacts →

Exact match

“The home of NorthStandard updates.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Oct 17, 2026501-1,000550 contacts →

Exact match

“Argo Group is a U.S-focused underwriter of specialty insurance products in the property and casualty market.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18Exact matchLe Havre, FranceHQ recorded Oct 17, 2026501-1,000540 contacts →

Exact match

“Assureur spécialiste des risques d'entreprise • 1er Assureur Maritime et Transport en France • + de 510 collaborateurs | Top Employer 2026 • CA de 580 millions d'euros en 2025 •…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19Exact matchSão Paulo, BrazilHQ recorded Oct 17, 2026201-500533 contacts →

Exact match

“A FF Seguros é parte do Grupo Fairfax Financial Holdings, com sede no Canadá e presença global há mais de 35 anos.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 17, 2026501-1,000497 contacts →

Exact match

“At SSY, we believe that experience matters.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,000495 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 · Oct 17, 2026 · View company records in RevenueBase
22Exact matchМосква, RussiaHQ recorded Oct 17, 20265,001-10,000406 contacts →

Exact match

“Ингосстрах» работает на международном и внутреннем рынках с 1947 года.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23Exact matchLa Jolla, CA, United StatesHQ recorded Oct 17, 2026501-1,000405 contacts →

Exact match

“Founded in 2014, by a team with deep experience across underwriting, analytics, reinsurance and capital markets, Palomar is an innovative specialty insurer serving residential and…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24Exact matchRegina, SK, CanadaHQ recorded Oct 17, 2026n/a403 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25Exact matchBuenos Aires, ArgentinaHQ recorded Oct 17, 2026201-500387 contacts →

Exact match

“Con más de empleados alrededor del mundo, el Grupo Allianz brinda servicios a 85,4 millones de clientes en más de 70 países.”

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

Showing 25 of 1,885 marine and aviation insurance companies worldwide

See the full list, filter by size, metro and specialty, and access 35,007 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Marine and aviation insurance companies worldwide at a glance

As of Oct 17, 2026
35.5%Verified-email coverage
52.3Average contacts per company
11-50Median size (employees)
4.4%Largest-city concentration · London
Oct 17, 2026Page data refreshed

Companies by employee count

1-10
907
11-50
606
51-200
211
201-500
81
501-1,000
30
1,001-5,000
25
5,001-10,000
4
10001+
11

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 insurance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “marine and aviation 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. 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 35,007 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 insurance companies by location

17 lists · largest first

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

How many marine and aviation insurance companies are there worldwide?

RevenueBase identified 1,885 company matches for marine and aviation insurance companies 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?

Travelers 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 insurance companies?

The United States leads with 437 companies, followed by the United Kingdom (161) and Brazil (109). Every marine and aviation insurance companies list by country and city is linked on this page.

Which city has the most marine and aviation insurance companies?

London leads with 82 company records, followed by Sao Paulo (30) and Hamburg (29).

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 35,007 professional contacts with verified work emails tracked across these 1,885 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.

Ready to reach these companies? Verified emails and direct dials for all 1,885 marine and aviation insurance companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.