Company lists · Data refreshed September 2026

Top 25 Independent consulting firms based in the United Kingdom

RevenueBase identified 2,964 company matches for independent consulting firms associated with the United Kingdom as of September 2026 and tracks 21,082 professional contacts across them, including 6,218 with verified work emails and 1,322 with mobile numbers. London is the largest hub.

This list covers company matches for independent 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 26, 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 26, 2026 How this list was built
2,964Companies
21,082Contacts tracked
6,218Verified emails
1,322Mobile numbers
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The 25 largest independent consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 2,964 company matches for independent consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 26, 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 Sep 26, 20261,001-5,0002,179 contacts →

Exact match

“Baringa is a global consulting firm that helps leaders drive meaningful change and create value.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 26, 2026501-1,0001,011 contacts →

Exact match

“At OC & C Strategy Consultants we have more than 35 years of experience at unpicking the most complex business challenges with simple, uncommon sense™.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-200528 contacts →

Exact match

“Strategy Insights is a specialist business and economic development consultancy.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
4Exact matchLiverpool, United KingdomHQ recorded Sep 26, 2026n/a363 contacts →

Exact match

“This is a page for all contractors and consultants to join, where you are unable to disclose client relationship.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 26, 2026501-1,000275 contacts →

Exact match

“An award-winning global consulting firm working with clients across a diverse range of markets, industries and geographies.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
6Exact matchTheale, United KingdomHQ recorded Sep 26, 202651-200191 contacts →

Exact match

“Clarify helps global Technology companies achieve sustained and significant commercial success.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-200185 contacts →

Exact match

“True North Partners LLP is an independent consulting firm based in London, Johannesburg, Frankfurt, Amsterdam and Madrid.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
8Exact matchMilton Keynes, United KingdomHQ recorded Sep 26, 202651-200166 contacts →

Exact match

“In an uncertain, complex, and ambiguous world, business change is essential and inevitable.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-200144 contacts →

Exact match

“Opus Business Advisory Group is an independent advisory firm that assists clients to achieve their objectives, enhance value and attain the best possible results.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 26, 202611-50122 contacts →

Exact match

“Athens helps clients make superior investment decisions and supports them to deliver value from these decisions through timely implementation.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-200115 contacts →

Exact match

“Oaklin is an independent management consultancy.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
12Exact matchBristol, United KingdomHQ recorded Sep 26, 202651-200115 contacts →

Exact match

“We are RedRock, a trusted delivery partner for digital, data and technology transformation.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
13Exact matchBuxton, United KingdomHQ recorded Sep 26, 2026n/a98 contacts →

Exact match

“Freelance management consultancy, support business owners and their management teams.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-20094 contacts →

Exact match

“Valentia Partners is a specialist Management Consulting firm.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-20093 contacts →

Exact match

“TET was founded in 1985 and still remains privately-owned.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
16Exact matchBristol, United KingdomHQ recorded Sep 26, 202651-20089 contacts →

Exact match

“Whitetree is an agile consulting firm that provides strategic guidance and operational support to large businesses and government departments.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-20084 contacts →

Exact match

“ARC provides independent perspective for people who want confidence their wealth is being managed deliberately.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-20082 contacts →

Exact match

“Cambridge Management Consulting (Cambridge MC) is an international consulting firm that helps companies of all sizes have a better impact on the world.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-20075 contacts →

Exact match

“We redefined management consulting to make it better for clients and better for consultants.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 26, 2026201-50072 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 26, 2026 · View company records in RevenueBase
21Exact matchBirmingham, United KingdomHQ recorded Sep 26, 2026n/a71 contacts →

Exact match

“Sharma & Co operates from offices in Birmingham, London and Manchester delivering practical and cost effective advice.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-20066 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 26, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 26, 202611-5059 contacts →

Exact match

“An award-winning management consultancy who deliver tangible and enduring results for our clients.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 26, 202651-20055 contacts →

Exact match

“Tricon is the leading foodservice design and management consultancy across the EMEA region; working in partnership with international companies across all market sectors.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
25Exact matchBerkshire, United KingdomHQ recorded Sep 26, 2026201-50051 contacts →

Exact match

“QA Consulting is a leading provider of consulting services to commercial, financial organisations and government departments.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase

Showing 25 of 2,964 independent consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 6,218 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Independent consulting firms based in the United Kingdom at a glance

As of Sep 26, 2026
29.5%Verified-email coverage
6.3%Mobile-number coverage
7.1Average contacts per company
1-10Median size (employees)
35.6%Largest-city concentration · London
Sep 26, 2026Page data refreshed

Companies by employee count

1-10
2,459
11-50
352
51-200
81
201-500
18
501-1,000
4
1,001-5,000
13
10001+
3

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 28.0d

Company record updated

Median 91.0d

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 “independent 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 6,218 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 26, 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 “independent consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 2,964 company matches for independent 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?

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

Which city has the most independent consulting firms?

London leads with 1054 company records, followed by Manchester (57) and Bristol (35).

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 6,218 professional contacts with verified work emails tracked across these 2,964 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 26, 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.