Company lists · Data refreshed September 2026

Top 25 Property and casualty insurance companies based in the United Kingdom

Name: Property and casualty insurance companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 286 companies tracked

RevenueBase identified 286 property and casualty insurance companies headquartered in the United Kingdom as of September 2026 and tracks 15,545 professional contacts across them, including 6,554 with verified work emails. London is the largest hub.

This list covers property and casualty insurance companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

286Companies

15,545Contacts tracked

6,554Verified emails

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The 25 largest property and casualty insurance companies based in the United Kingdom

Ranked by team size

Top 25 of 286 property and casualty insurance companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to property and casualty insurance companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Beazley	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	1,001-5,000	2,564 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 17, 2026
2	AXA UK	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	10001+	1,952 contacts →
	Indirect evidence “We’re all striving to live better lives on many fronts.” Source: RevenueBase Database · checked Sep 17, 2026
3	QBE Europe	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	1,001-5,000	1,343 contacts →
	Indirect evidence “At QBE we’re driven by our purpose of enabling a more resilient future.” Source: RevenueBase Database · checked Sep 17, 2026
4	Markel International	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	1,001-5,000	926 contacts →
	Partial evidence “As the insurance operations within the Markel Group Inc.(NYSE: MKL), we operate the Markel Specialty, Markel International, and Markel Global Reinsurance divisions, as well as…” Source: RevenueBase Database · checked Sep 17, 2026
5	Canopius Group	Strong evidence	22 Bishopsgate, United KingdomHQ checked Sep 17, 2026	501-1,000	853 contacts →
	Strong evidence “We are Canopius, a global specialty and Property & Casualty (re)insurer with offices in the UK, the US, Bermuda, Singapore and Australia.” Source: RevenueBase Database · checked Sep 17, 2026
6	Brit Insurance	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	501-1,000	844 contacts →
	Indirect evidence “If the future was predictable, there would be no risk and if change was linear, there’d be no need for experts.” Source: RevenueBase Database · checked Sep 17, 2026
7	Brown & Brown UK	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	1,001-5,000	690 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 17, 2026
8	CNA Hardy	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	501-1,000	553 contacts →
	Partial evidence “CNA Hardy is a leading specialist commercial insurance provider for clients within the Lloyd’s and company markets.” Source: RevenueBase Database · checked Sep 17, 2026
9	Thomas Miller	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	501-1,000	423 contacts →
	Partial evidence “The Thomas Miller Group is an international provider of market leading insurance services.” Source: RevenueBase Database · checked Sep 17, 2026
10	Arch Insurance UK Limited	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	201-500	330 contacts →
	Partial evidence “At Arch Insurance, we trade how you want to trade.” Source: RevenueBase Database · checked Sep 17, 2026
11	Newline Group	Partial evidence	London Ec3m 5bn, United KingdomHQ checked Sep 17, 2026	201-500	215 contacts →
	Partial evidence “Newline Group is a market leading specialty insurance group that operates through three underwriting platforms: Newline Syndicate 1218 at Lloyd’s, Newline Insurance Company…” Source: RevenueBase Database · checked Sep 17, 2026
12	Co-Op Insurance	Partial evidence	Manchester, United KingdomHQ checked Sep 17, 2026	1,001-5,000	185 contacts →
	Partial evidence “At Co-op Insurance, we help protect the things that matter most to you.” Source: RevenueBase Database · checked Sep 17, 2026
13	Munich RE Specialty	Partial evidence	Manchester, United KingdomHQ checked Sep 17, 2026	51-200	180 contacts →
	Partial evidence “Munich Re Specialty combines premier specialty expertise, capabilities, and products to offer partners and customers simplified access to a wide range of specialty insurance…” Source: RevenueBase Database · checked Sep 17, 2026
14	Academy	Partial evidence	United KingdomHQ checked Sep 17, 2026	201-500	174 contacts →
	Partial evidence “At Academy, we do insurance differently.” Source: RevenueBase Database · checked Sep 17, 2026
15	JM Glendinning Insurance Brokers LTD	Partial evidence	Leeds, United KingdomHQ checked Sep 17, 2026	51-200	76 contacts →
	Partial evidence “Since 1972, we’ve helped businesses and individuals to find the right insurance at competitive premiums.” Source: RevenueBase Database · checked Sep 17, 2026
16	Moorhouse Group	Indirect evidence	Mid Glamorgan, United KingdomHQ checked Sep 17, 2026	51-200	66 contacts →
	Indirect evidence “Moorhouse Group has recently been acquired by the exciting Lucida Group with our Managing Director, Linda Haggett, leading us forward.” Source: RevenueBase Database · checked Sep 17, 2026
17	Cowens Group	Indirect evidence	Mansfield, United KingdomHQ checked Sep 17, 2026	51-200	51 contacts →
	Indirect evidence “For over 50 years Cowens passionate professionals have delivered protection, prosperity and peace of mind for your business, large or small… for your directors, for your…” Source: RevenueBase Database · checked Sep 17, 2026
18	Global Insurance Management	Partial evidence	Coventry, United KingdomHQ checked Sep 17, 2026	51-200	49 contacts →
	Partial evidence “Global Insurance Management is a premier provider of comprehensive warranties, insurance solutions, and underwriting expertise.” Source: RevenueBase Database · checked Sep 17, 2026
19	First2protect	Strong evidence	Exeter, United KingdomHQ checked Sep 17, 2026	51-200	39 contacts →
	Strong evidence “First2Protect Insurance Services is part of LSL Property Services PLC, a trusted name in residential property services including sales, lettings, surveying, conveyancing, and…” Source: RevenueBase Database · checked Sep 17, 2026
20	Hugh J Boswell	Partial evidence	Norwich, United KingdomHQ checked Sep 17, 2026	51-200	39 contacts →
	Partial evidence “Hugh J Boswell is a commercial insurance and risk management group based in Carrow Hill, Norwich.” Source: RevenueBase Database · checked Sep 17, 2026
21	Green Insurance Group	Partial evidence	Sussex, United KingdomHQ checked Sep 17, 2026	51-200	36 contacts →
	Partial evidence “Green Insurance Group arrange insurance solutions from a wide range of insurers for both businesses and individuals with some of the most well known names in the industry.” Source: RevenueBase Database · checked Sep 17, 2026
22	City Insurance Group	Partial evidence	Winchester, United KingdomHQ checked Sep 17, 2026	11-50	35 contacts →
	Partial evidence “We have been providing low cost quality insurance solutions since the 1980's.” Source: RevenueBase Database · checked Sep 17, 2026
23	Covea Insurance	Partial evidence	Halifax, United KingdomHQ checked Sep 17, 2026	1,001-5,000	35 contacts →
	Partial evidence “Who are Covéa Insurance: At Covéa Insurance we understand a job is more than just a 9-5, it’s a big part of your life and it needs to make you smile.” Source: RevenueBase Database · checked Sep 17, 2026
24	Norton Insurance Brokers	Partial evidence	Birmingham, United KingdomHQ checked Sep 17, 2026	11-50	29 contacts →
	Partial evidence “Norton Insurance Brokers has been dedicated for 60 years to helping protect our customers' interests and assets, through quality insurance provision.” Source: RevenueBase Database · checked Sep 17, 2026
25	JSW Insurance	Partial evidence	Newcastle Under Lyme, United KingdomHQ checked Sep 17, 2026	51-200	25 contacts →
	Partial evidence “JSW Insurance have 3 offices, based in; Newcastle under Lyme, Halifax and Melton Mowbray.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: property and casualty insurance companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names property and casualty insurance companies.
Partial evidence: Its own public description names part of property and casualty insurance companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name property and casualty insurance companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 286 property and casualty insurance companies based in the United Kingdom

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Property and casualty insurance companies based in the United Kingdom at a glance

As of Sep 17, 2026

42.2%Verified-email coverage

54.4Average contacts per company

1-10Median size (employees)

18.2%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

147

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 286 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among property and casualty insurance companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “property and casualty insurance companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names property and casualty insurance companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among property and casualty insurance companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 6,554 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Property and casualty insurance companies by metro

Property and casualty insurance companies in London52

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names property and casualty insurance companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many property and casualty insurance companies are there based in the United Kingdom?

RevenueBase identified 286 property and casualty insurance companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Beazley, headquartered in London, tops this list with the largest team on record.

Which city has the most property and casualty insurance companies?

London leads with 52 headquartered companies, followed by Manchester (7) and Birmingham (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,554 verified decision-maker contacts tracked across these 286 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 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 Smart Search, 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.