Company lists · Data refreshed September 2026

Top 25 Financial services consulting firms based in the United Kingdom

RevenueBase identified 2,136 company matches for financial services consulting firms associated with the United Kingdom as of September 2026 and tracks 27,833 professional contacts across them, including 8,896 with verified work emails and 4,313 with mobile numbers. London is the largest hub.

This list covers company matches for financial services consulting firms associated with the 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 September 2, 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 Sep 2, 2026 How this list was built
2,136Companies
27,833Contacts tracked
8,896Verified emails
4,313Mobile numbers
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The 25 largest financial services consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 2,136 company matches for financial services consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 2, 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 matchGuildford, United Kingdom1,001-5,0001,352 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 · Sep 2, 2026 · View company records in RevenueBase
2Exact matchNewry, United Kingdom1,001-5,0001,022 contacts →

Exact match

“First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
3Exact matchLondon, United Kingdom10001+334 contacts →

Exact match

“At Mercer, A Marsh business, we’re helping our clients realize their investment objectives, shape the future of work, and enhance health and retirement outcomes for their people.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
4Exact matchLondon, United Kingdom201-500302 contacts →

Exact match

“At FinSurge, we are at the forefront of transforming the global financial landscape.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
5Exact matchLondon, United Kingdom201-500271 contacts →

Exact match

“We are 4most: the go-to analytics consultancy for financial institutions who want to make better, data-driven decisions with confidence.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
6Exact matchLondon, United Kingdom51-200255 contacts →

Exact match

“Datos Insights is the leading research and advisory partner to the banking, insurance, securities, and payments technology industries-both the financial services firms and the…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
7Exact matchLondon, United Kingdom201-500236 contacts →

Exact match

“Albany Beck is a client-first consulting firm helping financial services organisations deliver complex change and build capability, not dependency.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
8Exact matchLondon, United Kingdom201-500219 contacts →

Exact match

“MarshBerry – Helping Clients Learn, Improve & Realize Value MarshBerry is a global leader in investment banking and consulting dedicated to helping insurance brokerages, and firms…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
9Exact matchMilton Keynes, United Kingdom201-500205 contacts →

Exact match

“Welcome to the Protiviti perspective.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
10Exact matchLondon, United Kingdom51-200123 contacts →

Exact match

“Specialists in change and transformation across asset, wealth and insurance.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
11Exact matchLondon, United Kingdom51-200123 contacts →

Exact match

“We are TRPGLOBAL, your strategic partner in helping you with the complexities of risk management.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
12Exact matchUnited Kingdom51-200118 contacts →

Exact match

“We help protect regulated firms across an evolving spectrum of conduct, financial crime and operational risk.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
13Exact matchLondon, United Kingdom51-20098 contacts →

Exact match

“Fenchurch Advisory Partners is one of the leading independent corporate finance advisory firms in London.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
14Exact matchLondon, United Kingdom51-20093 contacts →

Exact match

“Valentia Partners is a specialist Management Consulting firm.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
15Exact matchLondon, United Kingdom51-20092 contacts →

Exact match

“An independent specialist treasury and risk management consultancy offering expert advice and practical support to corporates, private equity and infrastructure funds globally.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
16Exact matchChorley, United Kingdom51-20085 contacts →

Exact match

“Amber River True Bearing.the new name for True Bearing Chartered Financial Planners”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
17Exact matchLondon, United Kingdom51-20082 contacts →

Exact match

“We are a management consultancy based in London; working with our clients (predominantly global banks, payment providers and other financial institutions) to shape their future…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
18Exact matchWinchester, United Kingdom51-20079 contacts →

Exact match

“We are a partner for Banks and Financial Institutions - making your trade, treasury, risk and assurance functions smarter and more efficient.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
19Exact matchLondon, United Kingdom51-20074 contacts →

Exact match

“Thistle Initiatives is an award‑winning management consultancy specialising in regulatory compliance, financial crime and business transformation.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
20Exact matchLondon, United Kingdom201-50073 contacts →

Exact match

“Punter Southall is a group of companies with one aim – helping businesses and people make better decisions.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
21Exact matchBelfast, United Kingdom51-20069 contacts →

Exact match

“fscom is one of the premier specialist consulting firms providing governance, risk, and compliance solutions to financial services institutions in the UK and Ireland.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
22Exact matchLondon, United Kingdom1,001-5,00068 contacts →

Exact match

“Waystone is a leading asset-servicing solutions provider of institutional governance, administration, risk and compliance services to financial institutions.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
23Exact matchLondon, United Kingdom51-20068 contacts →

Exact match

“In complex transformation programmes, risk, regulation, financial crime, data, technology and operations no longer sit in separate silos.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
24Exact matchLondon, United Kingdom51-20064 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 · Sep 2, 2026 · View company records in RevenueBase
25Exact matchLondon, United Kingdom51-20057 contacts →

Exact match

“For over 20 years, Celent has helped senior executives make confident decisions around their technology strategies to execute at scale.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase

Showing 25 of 2,136 financial services consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 8,896 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Financial services consulting firms based in the United Kingdom at a glance

As of Sep 2, 2026
32.0%Verified-email coverage
15.5%Mobile-number coverage
13.0Average contacts per company
1-10Median size (employees)
41.6%Largest-city concentration · London
Sep 2, 2026Page data refreshed

Companies by employee count

1-10
1,584
11-50
319
51-200
74
201-500
22
501-1,000
4
1,001-5,000
7
10001+
5

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 the United Kingdom whose business descriptions match “financial services consulting firms” 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 8,896 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 September 2, 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.

Financial services consulting firms by metro

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 “financial services consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many financial services consulting firms are there based in the United Kingdom?

RevenueBase identified 2,136 company matches for financial services consulting firms associated with the United Kingdom as of September 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?

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

Which city has the most financial services consulting firms?

London leads with 888 company records, followed by Manchester (41) and Edinburgh (23).

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 8,896 professional contacts with verified work emails tracked across these 2,136 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 September 2, 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.