Company lists · Data refreshed September 2026

Top 25 Management consulting firms based in the United Kingdom

Name: Management consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 7,823 companies tracked

RevenueBase identified 7,823 company matches for management consulting firms associated with the United Kingdom as of September 2026 and tracks 65,013 professional contacts across them, including 24,494 with verified work emails and 6,307 with mobile numbers. London is the largest hub.

This list covers company matches for management 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 5, 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 5, 2026 How this list was built

7,823Companies

65,013Contacts tracked

24,494Verified emails

6,307Mobile numbers

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The 25 largest management consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 7,823 company matches for management consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ey-Parthenon	Exact match	London, United KingdomHQ recorded Sep 5, 2026	10001+	17,070 contacts →
	Exact match “Our unique combination of transformative strategy, transactions and corporate finance delivers real-world value – solutions that work in practice, not just on paper.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2	Baringa	Exact match	London, United KingdomHQ recorded Sep 5, 2026	1,001-5,000	2,179 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 5, 2026 · View company records in RevenueBase
3	Oc&c Strategy Consultants	Exact match	London, United KingdomHQ recorded Sep 5, 2026	501-1,000	1,011 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 5, 2026 · View company records in RevenueBase
4	Scott Logic	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 5, 2026	201-500	383 contacts →
	Exact match “At Scott Logic, we design and build software that transforms the performance of some of the world’s biggest and most demanding organisations.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5	Softwire	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	360 contacts →
	Exact match “Softwire exists to help organisations use technology to deliver meaningful outcomes and a positive impact for themselves, their users and the world.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6	Emergn	Exact match	London, United KingdomHQ recorded Sep 5, 2026	501-1,000	351 contacts →
	Exact match “Emergn is a global technology and management consultancy built on a simple conviction: the only sustainable competitive advantage is the way you work.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7	Q5	Exact match	London, United KingdomHQ recorded Sep 5, 2026	501-1,000	344 contacts →
	Exact match “Q5 is a global, award-winning management consultancy focused on building healthy, high-performing organisations.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8	Mercer UK	Exact match	London, United KingdomHQ recorded Sep 5, 2026	10001+	329 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 5, 2026 · View company records in RevenueBase
9	PGC	Exact match	Uk, United KingdomHQ recorded Sep 5, 2026	n/a	320 contacts →
	Exact match “In 2018 PGC rebranded as Friisberg & Partners International +44 207 062 3603” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10	Cartesian	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	302 contacts →
	Exact match “Cartesian is a specialist consulting firm focused on the global telecommunications, media, and technology industries and is now part of Bounteous, an AI services firm helping…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11	Gate ONE	Exact match	King's Cross, United KingdomHQ recorded Sep 5, 2026	201-500	281 contacts →
	Exact match “Most organisations commit to bold growth ambitions but aren’t set up to deliver them.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12	Elixirr	Exact match	London, United KingdomHQ recorded Sep 5, 2026	501-1,000	275 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 5, 2026 · View company records in RevenueBase
13	Transform	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	255 contacts →
	Exact match “Transform is a fresh alternative to Big Consulting.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15	Albany Beck	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	240 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 5, 2026 · View company records in RevenueBase
16	YSC Consulting, Part Of Accenture	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	227 contacts →
	Exact match “YSC Consulting, now part of Accenture, is a leadership strategy consultancy.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17	Protiviti UK	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	206 contacts →
	Exact match “Welcome to the Protiviti perspective.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18	OIM	Exact match	Bath, United KingdomHQ recorded Sep 5, 2026	n/a	198 contacts →
	Exact match “OIM is dedicated to building competitive organisations.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	Clarify	Exact match	Theale, United KingdomHQ recorded Sep 5, 2026	51-200	191 contacts →
	Exact match “Clarify helps global Technology companies achieve sustained and significant commercial success.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20	JA Consulting LTD	Exact match	London, United KingdomHQ recorded Sep 5, 2026	n/a	187 contacts →
	Exact match “JA Consulting Limited is a passionate change consultancy focussing on sales and business transformation.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21	Azurian	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	178 contacts →
	Exact match “The future has never moved this fast.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	Clarasys	Exact match	London, United KingdomHQ recorded Sep 5, 2026	51-200	170 contacts →
	Exact match “We are an employee-owned, award-winning international consulting firm that believes there’s a better way to do consultancy.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	BIP UK	Exact match	London, United KingdomHQ recorded Sep 5, 2026	5,001-10,000	167 contacts →
	Exact match “BIP is the international consultancy for the 21st century with over 6,500 consultants globally daring to make a difference.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24	NEW Street Consulting Group Nscg	Exact match	London, United KingdomHQ recorded Sep 5, 2026	51-200	167 contacts →
	Exact match “We’re a leading people advisory consultancy that partners with you to source great executives, assess and develop leadership capabilities and expedite change and transformation.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25	TXM Consult	Exact match	Milton Keynes, United KingdomHQ recorded Sep 5, 2026	51-200	166 contacts →
	Exact match “In an uncertain, complex, and ambiguous world, business change is essential and inevitable.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “management consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 7,823 management consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 24,494 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Management consulting firms based in the United Kingdom at a glance

As of Sep 5, 2026

37.7%Verified-email coverage

9.7%Mobile-number coverage

8.3Average contacts per company

1-10Median size (employees)

36.5%Largest-city concentration · London

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

6,392

11-50

1,058

51-200

242

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

22,6370–30

1,65331–60

1961–90

2290–180

163180+

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 “management 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 24,494 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 5, 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.

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

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

RevenueBase identified 7,823 company matches for management 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?

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

Which city has the most management consulting firms?

London leads with 2859 company records, followed by Manchester (183) and Bristol (98).

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 24,494 professional contacts with verified work emails tracked across these 7,823 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 5, 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.