Company lists · Data refreshed October 2026

Top 23 IT change management consulting companies based in the United Kingdom

Name: IT change 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 Oct 1, 2026 5,290 companies tracked

RevenueBase identified 5,290 company matches for IT change management consulting companies associated with the United Kingdom as of October 2026 and tracks 44,740 professional contacts across them, including 16,785 with verified work emails and 3,471 with mobile numbers. London is the largest hub.

This list covers company matches for IT change management consulting companies 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 October 1, 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 Oct 1, 2026 How this list was built

5,290Companies

44,740Contacts tracked

16,785Verified emails

3,471Mobile numbers

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The 23 largest IT change management consulting companies based in the United Kingdom

Ranked by team size

Top 23 of 5,290 company matches for IT change management consulting companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	Cennox	Exact match	Camberley, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
3	Hirexa Solutions	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	377 contacts →
	Exact match “Hirexa Solutions is a leading group of companies committed to delivering exceptional services to Fortune 500 clients worldwide.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Emergn	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Q5	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	Ubique Systems	Exact match	London, United KingdomHQ recorded Oct 1, 2026	501-1,000	333 contacts →
	Exact match “Ubique Systems is a fast growing multifaceted organization which offers a comprehensive array of outsourcing and consulting services for its customers, including recruitment…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Cartesian	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
8	Gate ONE	Exact match	King's Cross, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
9	WCL	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
10	Elixirr	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
11	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Albany Beck	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
13	Actica Consulting	Exact match	Guildford, United KingdomHQ recorded Oct 1, 2026	201-500	224 contacts →
	Exact match “Actica Consulting is a business and technology consultancy specialising in the delivery of complex transformation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Waterstons	Exact match	Durham, United KingdomHQ recorded Oct 1, 2026	201-500	215 contacts →
	Exact match “We are an IT business with a difference.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Capita IT Professional Services	Exact match	Haywards Heath, United KingdomHQ recorded Oct 1, 2026	10001+	208 contacts →
	Exact match “Our IT professional services deliver expertise in effective business change, facilitated by technology.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Protiviti UK	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	206 contacts →
	Exact match “Welcome to the Protiviti perspective.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	JA Consulting LTD	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
18	Azurian	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	178 contacts →
	Exact match “The future has never moved this fast.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Clarasys	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
20	BIP UK	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
21	TXM Consult	Exact match	Milton Keynes, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
22	Interex Group	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	160 contacts →
	Exact match “InterEx Group is becoming the strategic partner of choice for organizations undergoing digital, business, and technology transformation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Public Digital	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 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 “IT change management consulting companies”. 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 23 of 5,290 IT change management consulting companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 16,785 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT change management consulting companies based in the United Kingdom at a glance

As of Oct 1, 2026

37.5%Verified-email coverage

7.8%Mobile-number coverage

8.5Average contacts per company

1-10Median size (employees)

35.0%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

4,205

11-50

765

51-200

211

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 34.0d

2,6030–30

13,51131–60

59161–90

1790–180

63180+

Company record updated

Median 94.0d

00–30

3,97331–60

18,31061–90

19,67990–180

2,778180+

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 “IT change management consulting companies” 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 16,785 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 October 1, 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.

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

How many IT change management consulting companies are there based in the United Kingdom?

RevenueBase identified 5,290 company matches for IT change management consulting companies associated with the United Kingdom as of October 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 IT change management consulting companies?

London leads with 1850 company records, followed by Manchester (112) and Bristol (77).

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 16,785 professional contacts with verified work emails tracked across these 5,290 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 October 1, 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.