Company lists · Data refreshed August 2026

Top 25 Management consulting companies based in the United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Aug 29, 2026 8,038 companies tracked

This directory contains 8,038 management consulting companies based in the United Kingdom, with business contacts including 49,987 contacts and 15,493 email addresses. London is the single most-represented city among the companies listed, and the directory was updated in August 2026.

Management consulting companies advise organizations on strategy, operations, organizational design, performance, and other business management decisions. This list covers companies that provide consulting services focused on improving an organization's management, strategy, operations, or business performance. Ranked by team size, largest first. Data current as of August 29, 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 RevenueBase Smart Search rating on every row Refreshed Aug 29, 2026 86% judged on-target in blind review

8,038Companies

49,987Contacts tracked

15,493Verified emails

6,411Mobile numbers

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The 25 largest management consulting companies based in the United Kingdom

Ranked by team size

Top 25 of 8,038 management consulting companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Aug 29, 2026. RevenueBase Smart Search rates how each company's information relates to management consulting 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	Protiviti	Partial evidence	Leeds, United Kingdom	5,001-10,000	8,869 contacts →
	Partial evidence “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Source: RevenueBase Database · checked Aug 29, 2026
2	Navigant	Strong evidence	London, United Kingdom	5,001-10,000	1,034 contacts →
	Strong evidence “Guidehouse is a leading global provider of consulting services to the public and commercial markets with broad capabilities in management, technology, and risk consulting.” Source: RevenueBase Database · checked Aug 29, 2026
3	Visagio	Indirect evidence	Reading, United Kingdom	501-1,000	976 contacts →
	Indirect evidence “A Visagio Group company.” Source: RevenueBase Database · checked Aug 29, 2026
4	BIP Brasil	Indirect evidence	Londres, United Kingdom	1,001-5,000	615 contacts →
	Indirect evidence “Somos uma consultoria internacional fundada na Itália em 2003 com um ecossistema em evolução que proporciona a transformação significativa nos grandes players do mercado devido à…” Source: RevenueBase Database · checked Aug 29, 2026
5	Leader Investment Group - LIG	Partial evidence	London, United Kingdom	501-1,000	452 contacts →
	Partial evidence “Leader Investment Group is a MNC & a worldwide pioneer in Management Consultation, Executive Consultation, Digital Transformation & IT.” Source: RevenueBase Database · checked Aug 29, 2026
6	Q5	Indirect evidence	Leeds, United Kingdom	501-1,000	340 contacts →
	Indirect evidence “Q5 is a global, award-winning consultancy specialising in 'organisational health' and performance.” Source: RevenueBase Database · checked Aug 29, 2026
7	Gate ONE	Indirect evidence	United Kingdom	201-500	288 contacts →
	Indirect evidence “Most organisations commit to bold growth ambitions but aren’t set up to deliver them.” Source: RevenueBase Database · checked Aug 29, 2026
8	H&z Management Consulting	Indirect evidence	London, United Kingdom	501-1,000	287 contacts →
	Indirect evidence “Welcome to H&Z We offer more than successful strategy development.” Source: RevenueBase Database · checked Aug 29, 2026
9	Seargin	Indirect evidence	London, United Kingdom	501-1,000	275 contacts →
	Indirect evidence “Seargin was founded to close the gap between traditional advisory and hands-on delivery - combining strategic insight with deep expertise in ERP, AI and data.” Source: RevenueBase Database · checked Aug 29, 2026
10	Elixirr	Partial evidence	London, United Kingdom	501-1,000	271 contacts →
	Partial evidence “An award-winning global consulting firm working with clients across a diverse range of markets, industries and geographies.” Source: RevenueBase Database · checked Aug 29, 2026
11	Moorhouse B Corp Certified	Partial evidence	London, United Kingdom	201-500	249 contacts →
	Partial evidence “We’re a dynamic consulting firm, focused on delivering change.” Source: RevenueBase Database · checked Aug 29, 2026
12	Sheffield Haworth	Indirect evidence	London, United Kingdom	201-500	241 contacts →
	Indirect evidence “Sheffield Haworth is a global consultancy founded in 1993.” Source: RevenueBase Database · checked Aug 29, 2026
13	Albany Beck	Partial evidence	London, United Kingdom	201-500	236 contacts →
	Partial evidence “Albany Beck is a client-first consulting firm helping financial services organisations deliver complex change and build capability, not dependency.” Source: RevenueBase Database · checked Aug 29, 2026
14	EIDRA	Partial evidence	London, United Kingdom	1,001-5,000	182 contacts →
	Partial evidence “Eidra is a consultancy collective combining consulting, creativity, engineering and data to help leaders create great change.” Source: RevenueBase Database · checked Aug 29, 2026
15	Cubematch	Indirect evidence	London, United Kingdom	201-500	153 contacts →
	Indirect evidence “CubeMatch is a global change and transformation consultancy, Powering Change for Financial Services since 2002.” Source: RevenueBase Database · checked Aug 29, 2026
16	Axialent	Indirect evidence	London, United Kingdom	201-500	117 contacts →
	Indirect evidence “Axialent helps global enterprises improve business performance by working on the human side of business.” Source: RevenueBase Database · checked Aug 29, 2026
17	Oxford Leadership	Indirect evidence	London, United Kingdom	201-500	88 contacts →
	Indirect evidence “We are a global performance transformation agency, partnering with multinational corporations, international organisations, and governments to guide courageous transformation for…” Source: RevenueBase Database · checked Aug 29, 2026
18	6point6 Part Of Accenture	Indirect evidence	London, United Kingdom	201-500	73 contacts →
	Indirect evidence “6point6 drives the right change in an organisation through the positive impact of technology.” Source: RevenueBase Database · checked Aug 29, 2026
19	Punter Southall	Indirect evidence	London, United Kingdom	201-500	73 contacts →
	Indirect evidence “Punter Southall is a group of companies with one aim – helping businesses and people make better decisions.” Source: RevenueBase Database · checked Aug 29, 2026
20	Mansion House Consulting	Partial evidence	London, United Kingdom	201-500	39 contacts →
	Partial evidence “Mansion House Consulting (MHC) is an international business and technology Consultancy focused exclusively on the Financial Services sector.” Source: RevenueBase Database · checked Aug 29, 2026
21	Decision Inc. UK	Indirect evidence	London, United Kingdom	201-500	35 contacts →
	Indirect evidence “Decision Inc.” Source: RevenueBase Database · checked Aug 29, 2026
22	The S&a Transform Group	Partial evidence	London, United Kingdom	201-500	27 contacts →
	Partial evidence “Established in 2009, The S&A Transform Group,(formerly known as The Strategy & Architecture Group) is a leading provider of Business, Technology & Digital Consulting, Solutions…” Source: RevenueBase Database · checked Aug 29, 2026
23	WGA Advisors, INC	Indirect evidence	Kensington, United Kingdom	1,001-5,000	18 contacts →
	Indirect evidence “At WGA Advisors, we help organizations grow, inspire, and achieve results that matter.” Source: RevenueBase Database · checked Aug 29, 2026
24	Credera UK	Partial evidence	London London, United Kingdom	201-500	11 contacts →
	Partial evidence “Credera is a consulting firm focused on strategy, transformation, data, cloud, and engineering.” Source: RevenueBase Database · checked Aug 29, 2026
25	Ignata	Indirect evidence	Leeds, United Kingdom	201-500	8 contacts →
	Indirect evidence “Great people are hard to find.” Source: RevenueBase Database · checked Aug 29, 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: management consulting 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 management consulting companies.
Partial evidence: Its own public description names part of management consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name management consulting 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 8,038 management consulting companies based in the United Kingdom

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Management consulting companies based in the United Kingdom at a glance

As of Aug 29, 2026

31.0%Verified-email coverage

12.8%Mobile-number coverage

6.2Average contacts per company

1-10Median size (employees)

35.7%Largest-city concentration · London

Aug 29, 2026Page data refreshed

Companies by employee count

1-10

6,557

11-50

1,016

51-200

208

201-500

501-1,000

1,001-5,000

5,001-10,000

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 management consulting 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 “management consulting 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 management consulting 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 management consulting 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, 15,493 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 August 29, 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.

Management consulting companies by metro

Frequently asked

How many management consulting companies are in the directory?

The directory includes 8,038 management consulting companies based in the United Kingdom.

Where are the management consulting companies located?

The companies are located based in the United Kingdom, with London as the single most-represented city among the companies listed.

Can I find contacts and email addresses for management consulting companies?

Yes, the directory includes 49,987 business contacts and 15,493 email addresses for the listed companies.

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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.