Company lists · Data refreshed October 2026

Top 25 Business insurance underwriters worldwide

RevenueBase identified 132 company matches for business insurance underwriters worldwide as of October 2026 and tracks 4,368 professional contacts across them, including 2,102 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for business insurance underwriters worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 2026. Country and city lists for business insurance underwriters follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 9, 2026 How this list was built
132Companies
4,368Contacts tracked
2,102Verified emails
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The 25 largest business insurance underwriters worldwide

Ranked by team size
Top 25 of 132 company matches for business insurance underwriters worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 matchWayne, PA, United StatesHQ recorded Oct 9, 20261,001-5,0001,335 contacts →

Exact match

“We aspire to be the very best insurance company at underwriting insurance products for our customers.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchJohannesburg, South AfricaHQ recorded Oct 9, 2026201-500343 contacts →

Exact match

“CIB is a proudly South African underwriting manager that deals through a network of short term insurance brokers countrywide.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchGoldsboro, NC, United StatesHQ recorded Oct 9, 2026201-500333 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 · Oct 9, 2026 · View company records in RevenueBase
4Exact matchBellville, South AfricaHQ recorded Oct 9, 202651-200105 contacts →

Exact match

“MUA Insurance Acceptances have grown from small beginnings, established more than 30 years ago, to become South Africa’s leaders in the high net worth short-term personal lines…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Oct 9, 202651-20089 contacts →

Exact match

“Blue Zebra is a unified underwriting agency built on a foundation others can't replicate; deep specialist judgement working in seamless concert with modern platform capability.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchNewcastle, AustraliaHQ recorded Oct 9, 202651-20084 contacts →

Exact match

“Pacific International Insurance is an insurance underwriter based in Newcastle, Australia, that enjoys more than 20 years' industry experience.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchSpokane, WA, United StatesHQ recorded Oct 9, 202651-20076 contacts →

Exact match

“Cochrane & Company was established in 1960 in Spokane, Washington.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchHamburg, GermanyHQ recorded Oct 9, 2026201-50063 contacts →

Exact match

“All underwriting agents united under the WECOYA UNDERWRITING umbrella provide a comprehensive portfolio of services to regional customers, operations throughout Europe and offices…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchNewark, CA, United StatesHQ recorded Oct 9, 202611-5051 contacts →

Exact match

“IMS provides underwriting support services for the life insurance industry.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202651-20048 contacts →

Exact match

“Berkley Financial Specialists is dedicated to providing customized, comprehensive insurance solutions and outstanding personalized service to financial institutions and insurance…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchJohannesburg, South AfricaHQ recorded Oct 9, 202611-5046 contacts →

Exact match

“Camargue is an underwriter of niche insurance products and a provider of risk management solutions to a broad spectrum of industries in Southern Africa.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Oct 9, 202611-5045 contacts →

Exact match

“We're an Aussie digital underwriting agency focused on SME Construction, Strata, Professional Indemnity, Trade Pack and Landlords.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchShreveport, LA, United StatesHQ recorded Oct 9, 202651-20045 contacts →

Exact match

“We are a professional insurance underwriting management company specializing in Commercial Automobile, Commercial General Liability, Commercial Property, Inland Marine and Garage…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Oct 9, 202651-20043 contacts →

Exact match

“Deans & Homer was established in 1856 and is one of the oldest continuously operating companies in California.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchMidland, United StatesHQ recorded Oct 9, 202611-5038 contacts →

Exact match

“Aviso WA is a leading Insurance Brokerage firm in Australia and has been servicing Western Australia’s personal and business insurance needs since 1983 offering underwriter and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchWexford, IrelandHQ recorded Oct 9, 202651-20037 contacts →

Exact match

“Ornella Underwriting Limited is a dynamic and flexible underwriting agency based in Ireland.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchWaterford, MI, United StatesHQ recorded Oct 9, 202611-5036 contacts →

Exact match

“Universal Fire & Casualty Insurance Company (UFCIC) currently underwrites commercial property, general liability, business owner’s package (BOP), commercial multi-peril (CMP), and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchGibraltarHQ recorded Oct 9, 202611-5036 contacts →

Exact match

“Advantage is a Gibraltar based insurer set up in 2002 and licensed by the Gibraltar Financial Services Commission to underwrite business in the UK by way of the EU freedom of…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchAbuja, NigeriaHQ recorded Oct 9, 202651-20036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchWatford, United KingdomHQ recorded Oct 9, 202611-5035 contacts →

Exact match

“Touchstone Underwriting are a team of innovative and experienced underwriters, specialising in commercial insurance business including the following areas: 1.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchCape Town, South AfricaHQ recorded Oct 9, 202611-5033 contacts →

Exact match

“Adminplus is South Africa’s only Underwriting Manager specialising in managing the insurance of mobile consumer electronics.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 9, 2026201-50033 contacts →

Exact match

“Barbican Insurance Group underwrites business predominantly through our syndicates at Lloyd’s.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchBrisbane, AustraliaHQ recorded Oct 9, 202651-20030 contacts →

Exact match

“We are an underwriting agency focused on specialty insurance products for professional firms, with a unique approach based on two key mantras: The speed of our turnaround of…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchMiami, FL, United StatesHQ recorded Oct 9, 202611-5030 contacts →

Exact match

“At GIC Underwriters our success is based on 30 years of superior service, conservative underwriting and commitment to meeting the needs of our producers.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchToronto, ON, CanadaHQ recorded Oct 9, 202611-5028 contacts →

Exact match

“Trinity is a true underwriting manager with in-house authority and underwriting expertise.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 132 business insurance underwriters worldwide

See the full list, filter by size, metro and specialty, and access 2,102 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business insurance underwriters worldwide at a glance

As of Oct 9, 2026
48.1%Verified-email coverage
33.1Average contacts per company
11-50Median size (employees)
9.8%Largest-city concentration · London
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
44
11-50
58
51-200
19
201-500
7
501-1,000
3
1,001-5,000
1

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 business insurance underwriters are linked below.
What qualifies
Company records worldwide whose business descriptions match “business insurance underwriters” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 2,102 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 9, 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.

Business insurance underwriters by location

2 lists · largest first

Every Business insurance underwriters list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “business insurance underwriters”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business insurance underwriters are there worldwide?

RevenueBase identified 132 company matches for business insurance underwriters 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?

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

Which country has the most business insurance underwriters?

The United Kingdom leads with 31 companies, followed by the United States (29). Every business insurance underwriters list by country and city is linked on this page.

Which city has the most business insurance underwriters?

London leads with 13 company records, followed by Sydney (7) and Johannesburg (5).

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 2,102 professional contacts with verified work emails tracked across these 132 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 9, 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.