Company lists · Data refreshed October 2026

Top 25 Insurance cost reduction advisors based in London, United Kingdom

RevenueBase identified 103 company matches for insurance cost reduction advisors associated with London, United Kingdom as of October 2026 and tracks 76,665 professional contacts across them, including 25,373 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for insurance cost reduction advisors associated with London, United Kingdom, 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.

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
103Companies
76,665Contacts tracked
25,373Verified emails
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The 25 largest insurance cost reduction advisors based in London, United Kingdom

Ranked by team size
Top 25 of 103 company matches for insurance cost reduction advisors based in London, United Kingdom, 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 matchLondon, United KingdomHQ recorded Oct 17, 202610001+67,294 contacts →

Exact match

“We exist to shape decisions for the better, to protect and enrich the lives of people around the world.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,0002,331 contacts →

Exact match

“Howden Insurance Brokers Ltd is a leading provider of insurance broking, risk consulting, and employee benefits advice.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,0001,736 contacts →

Exact match

“Charles Taylor provides an unrivalled and growing range of insurance services, claims and technology solutions across the globe, with a specialism in complex situations requiring…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,0001,120 contacts →

Exact match

“We are a leading UK professional services consultancy at the forefront of risk, pensions, investment and insurance.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchLondon, United KingdomHQ recorded Oct 17, 2026501-1,000567 contacts →

Exact match

“At our core, we’re a team of specialist insurance experts who simplify and transform complex and speciality insurance operations.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,000514 contacts →

Exact match

“PIB Insurance Brokers (PIB) are a leading insurance broker with access to risk management services.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 17, 202610001+174 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 17, 202651-200125 contacts →

Exact match

“The global reinsurance broker and risk, capital, & strategic advisor focused on relentless innovation & superior analytics for top client service.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 17, 2026n/a87 contacts →

Exact match

“As of April 1, 2019, JLT Specialty is now a part of Marsh & McLennan.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 17, 202651-20069 contacts →

Exact match

“Oxbow Partners is a specialist management consultancy for the insurance industry.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 17, 2026201-50063 contacts →

Exact match

“We believe that insurance should be made to measure, and not just one size fits all.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 17, 20261,001-5,00059 contacts →

Exact match

“Milliman is among the world’s largest independent actuarial and consulting firms.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5057 contacts →

Exact match

“Mactavish is the UK’s leading outsourced insurance buyer and claims dispute expert.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 17, 202651-20057 contacts →

Exact match

“ASL are experts in financial risks.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 17, 2026201-50052 contacts →

Exact match

“We provide industry-focused consulting, brokerage, and claims advocacy services, and leverage data, technology, and analytics to help reduce our clients’ total cost of risk.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 17, 202651-20050 contacts →

Exact match

“We are a network of independent consultants who are ex-C-Suite Execs/Senior Managers who have all been there and done it in top organisations, mainly in insurance but others as…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 17, 202651-20047 contacts →

Exact match

“As of December 2020, Beach & Associates rebranded to Acrisure Re and Acrisure London Wholesale.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5040 contacts →

Exact match

“Independent insurance consultants providing bespoke consultancy for major and complex projects.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5035 contacts →

Exact match

“Phinsys specialises in providing innovative solutions to insurance companies financial accounting, regulatory reporting and analytical needs.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5030 contacts →

Exact match

“Realty is an independent risk advisor and insurance broker consistently delivering exceptional client advocacy and service since 1950.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5029 contacts →

Exact match

“Broadstone Regulatory & Risk Advisory Ltd is a dedicated team of actuaries and financial services experts who have been helping firms and individuals with their finance, credit…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5028 contacts →

Exact match

“AInsurCo | Actuarial & Insurance Consulting | Technology-Enabled Insurance Solutions AInsurCo is a specialist insurance consulting and technology firm helping insurers unlock…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5023 contacts →

Exact match

“Horner Blakey Insurance Brokers Independent.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 17, 202611-5014 contacts →

Exact match

“Sioma is a Mayfair-based insurance brokerage founded by a team of ex-underwriters.”

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

Showing 25 of 103 insurance cost reduction advisors based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 25,373 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Insurance cost reduction advisors based in London, United Kingdom at a glance

As of Oct 17, 2026
33.1%Verified-email coverage
744.3Average contacts per company
11-50Median size (employees)
Oct 17, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
29
51-200
12
201-500
4
501-1,000
2
1,001-5,000
6
10001+
5

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 103 companies.

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.
What qualifies
Company records associated with London, United Kingdom whose business descriptions match “insurance cost reduction advisors” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 25,373 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.

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

How many insurance cost reduction advisors are there based in London, United Kingdom?

RevenueBase identified 103 company matches for insurance cost reduction advisors associated with London, United Kingdom 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?

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

Which city in the United Kingdom has the most insurance cost reduction advisors?

London leads the United Kingdom with 103 company records, followed by Glasgow (12) and Birmingham (11).

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 25,373 professional contacts with verified work emails tracked across these 103 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.