Company lists · Data refreshed September 2026

Top 25 Change management consultancies based in the United Kingdom

Name: Change management consultancies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 7,168 companies tracked

RevenueBase identified 7,168 company matches for change management consultancies associated with the United Kingdom as of September 2026 and tracks 49,431 professional contacts across them, including 17,713 with verified work emails and 4,168 with mobile numbers. London is the largest hub.

This list covers company matches for change management consultancies 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 23, 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 23, 2026 How this list was built

7,168Companies

49,431Contacts tracked

17,713Verified emails

4,168Mobile numbers

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The 25 largest change management consultancies based in the United Kingdom

Ranked by team size

Top 25 of 7,168 company matches for change management consultancies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	Baringa	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
2	Oc&c Strategy Consultants	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
3	Cennox	Exact match	Camberley, United KingdomHQ recorded Sep 23, 2026	1,001-5,000	610 contacts →
	Exact match “Cennox help the world’s leading brands to execute and deliver their complex change programs across technology, security and facility transformation.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Mindgym	Exact match	London, United KingdomHQ recorded Sep 23, 2026	201-500	450 contacts →
	Exact match “We’re MindGym.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Grayce	Exact match	Manchester, United KingdomHQ recorded Sep 23, 2026	501-1,000	376 contacts →
	Exact match “Grayce partners with some of the world’s most ambitious organisations to help deliver change and transformation.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Q5	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
7	Gate ONE	Exact match	King's Cross, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
8	WCL	Exact match	London, United KingdomHQ recorded Sep 23, 2026	n/a	281 contacts →
	Exact match “WCL specialises in change and transformation management and has worked extensively with nearly all UK Government Departments, as well as many private sector clients, on planning…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Elixirr	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
10	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Sep 23, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Albany Beck	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
12	YSC Consulting, Part Of Accenture	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
13	Protiviti UK	Exact match	London, United KingdomHQ recorded Sep 23, 2026	201-500	206 contacts →
	Exact match “Welcome to the Protiviti perspective.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Adviserplus	Exact match	Ellesmere Port, United KingdomHQ recorded Sep 23, 2026	201-500	205 contacts →
	Exact match “AdviserPlus is the UK’s leading provider of HR technology, consulting, and advisory services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	OIM	Exact match	Bath, United KingdomHQ recorded Sep 23, 2026	n/a	198 contacts →
	Exact match “OIM is dedicated to building competitive organisations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	TSK Group	Exact match	London And Manchester, United KingdomHQ recorded Sep 23, 2026	51-200	192 contacts →
	Exact match “We are workplace transformation partners, achieving extraordinary outcomes for people, place and planet.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	JA Consulting LTD	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
18	SHM Productions LTD	Exact match	London, United KingdomHQ recorded Sep 23, 2026	n/a	186 contacts →
	Exact match “SHM is a small consulting firm based in London.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Azurian	Exact match	London, United KingdomHQ recorded Sep 23, 2026	201-500	178 contacts →
	Exact match “The future has never moved this fast.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	SPACE	Exact match	Aberdeen, United KingdomHQ recorded Sep 23, 2026	51-200	176 contacts →
	Exact match “SPACE are experts in the workplace, and for more than 29 years, have been helping organisations transform their working environments.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	NEW Street Consulting Group Nscg	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
22	TXM Consult	Exact match	Milton Keynes, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
23	H&h Agency	Exact match	Hessle, United KingdomHQ recorded Sep 23, 2026	n/a	159 contacts →
	Exact match “H&H - The UK’s leading Internal Communications and Employee Engagement agency Every day we throw our collective energy, knowledge and creativity into improving the way people…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Public Digital	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	158 contacts →
	Exact match “We are a transformation consultancy that works with leading businesses, governments and global institutions, helping them change their ways of working to become more responsive…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Contino, A Cognizant Company	Exact match	Liverpool Street, United KingdomHQ recorded Sep 23, 2026	201-500	158 contacts →
	Exact match “Contino joined the Cognizant family in 2019.” Recorded in the RevenueBase company graph · Sep 23, 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 “change management consultancies”. 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 7,168 change management consultancies based in the United Kingdom

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Change management consultancies based in the United Kingdom at a glance

As of Sep 23, 2026

35.8%Verified-email coverage

8.4%Mobile-number coverage

6.9Average contacts per company

1-10Median size (employees)

34.8%Largest-city concentration · London

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

5,959

11-50

919

51-200

194

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

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

Email last verified

Median 25.0d

13,5450–30

3,77031–60

24461–90

790–180

147180+

Company record updated

Median 75.0d

00–30

8,66831–60

23,88261–90

13,83590–180

3,046180+

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 “change management consultancies” 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 17,713 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 23, 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.

Change management consultancies 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 “change management consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many change management consultancies are there based in the United Kingdom?

RevenueBase identified 7,168 company matches for change management consultancies 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 change management consultancies?

London leads with 2495 company records, followed by Manchester (153) and Bristol (109).

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 17,713 professional contacts with verified work emails tracked across these 7,168 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 23, 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.