Company lists · Data refreshed September 2026

Top 25 Continuous improvement consulting firms based in the United Kingdom

Name: Continuous improvement 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 1, 2026 2,830 companies tracked

RevenueBase identified 2,830 company matches for continuous improvement consulting firms associated with the United Kingdom as of September 2026 and tracks 12,675 professional contacts across them, including 3,202 with verified work emails and 874 with mobile numbers. London is the largest hub.

This list covers company matches for continuous improvement 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 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 Sep 1, 2026 How this list was built

2,830Companies

12,675Contacts tracked

3,202Verified emails

874Mobile numbers

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The 25 largest continuous improvement consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 2,830 company matches for continuous improvement consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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	Q5	Exact match	Leeds, United Kingdom	501-1,000	340 contacts →
	Exact match “Q5 is a global, award-winning consultancy specialising in 'organisational health' and performance.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
2	H&z Management Consulting	Exact match	London, United Kingdom	501-1,000	287 contacts →
	Exact match “Welcome to H&Z We offer more than successful strategy development.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3	Moorhouse B Corp Certified	Exact match	London, United Kingdom	201-500	249 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
4	TBM Consulting Group	Exact match	Mansfield, United Kingdom	51-200	164 contacts →
	Exact match “TBM specializes in operations and supply chain consulting for manufacturers and distributors across sectors such as Food & Beverage, Pharmaceutical, Industrial Products…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5	Chartwell	Exact match	London, United Kingdom	51-200	116 contacts →
	Exact match “We deliver rapid, remarkable and sustainable productivity gains for manufacturing leaders.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
6	Whitetree	Exact match	Bristol, United Kingdom	51-200	87 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 1, 2026 · View company records in RevenueBase
7	Mantec	Exact match	London, United Kingdom	51-200	85 contacts →
	Exact match “Mantec, a member of Andersen Consulting, is a management consultancy with offices in Gothenburg, Stockholm, Oslo, Copenhagen, Helsinki and London.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
8	Growth HUB	Exact match	London, United Kingdom	51-200	84 contacts →
	Exact match “At Growth Hub, we help organisations streamline processes, harness data effectively, and make informed decisions.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
9	Proservartner	Exact match	London, United Kingdom	51-200	82 contacts →
	Exact match “Proservartner is an international consulting firm.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
10	PEN	Exact match	London, United Kingdom	51-200	75 contacts →
	Exact match “We’re a specialist, management consultancy, focusing on; Customer Experience, Operational Excellence and Change Delivery, dedicated to helping our clients create real, positive…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
11	Change Management Group	Exact match	London, United Kingdom	51-200	74 contacts →
	Exact match “Whether complex transformation is required across your business or you are seeking support with a small project, we are here to help.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
12	Sharing In Growth	Exact match	Derby, United Kingdom	51-200	74 contacts →
	Exact match “Our passionate team of growth and productivity specialists work with you to develop, inspire and improve every aspect of your organisation.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13	Excelledia	Exact match	Birmingham, United Kingdom	51-200	63 contacts →
	Exact match “Excelledia is a management consulting firm that provides insights, organizational transformation, and business strategy through people, process & technology consulting to clients…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
14	Pink Elephant Emea	Exact match	Reading, United Kingdom	51-200	57 contacts →
	Exact match “Pink Elephant is an international knowledge leader in the field of business innovation & business change.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
15	Collinson Grant	Exact match	London, United Kingdom	51-200	49 contacts →
	Exact match “Collinson Grant helps clients throughout the world to improve efficiency and profitability.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
16	Axxello	Exact match	Cambridge, United Kingdom	51-200	41 contacts →
	Exact match “Axxello (Pty) Ltd is a leading provider of process engineering and project management project execution/ consulting services, with expertise in the fast-moving consumer goods…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17	TXM Lean Solutions	Exact match	Buckingham, United Kingdom	51-200	35 contacts →
	Exact match “About TXM Lean Solutions: TXM Lean Solutions is a worldwide Lean consulting company that was established in 2004 with the aim of helping manufacturing and supply chain companies…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18	WORTH	Exact match	Reading, United Kingdom	51-200	27 contacts →
	Exact match “Worth helps aspirational companies leverage their technology and talent to create impactful and lasting change.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
19	Supply Source INC	Exact match	Glenrothes, United Kingdom	51-200	18 contacts →
	Exact match “Supply Source* Inc, an Oregon-based company, is striving to be a problem solver in areas that help international and domestic businesses grow sales, improve efficiency, and reduce…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20	Progenium	Exact match	London, United Kingdom	51-200	18 contacts →
	Exact match “We strongly believe that success is not created by chance – success is a result.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21	Pexlify, A Merkle Company	Exact match	London, United Kingdom	51-200	17 contacts →
	Exact match “https://merkle.com - Please visit as Pexlify has now integrated with Merkle, a leading Salesforce Summit and MuleSoft Partner.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22	Base 3 Systems	Exact match	West, United Kingdom	51-200	17 contacts →
	Exact match “Founded in 1996, Base 3 Systems has built a reputation for supporting our customers in delivering large programmes of change and establishing in-house capability.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
23	Project7 Consultancy	Exact match	Mildenhall, United Kingdom	51-200	15 contacts →
	Exact match “Unlocking Organisational Excellence Project7 (P7C) are Global Performance Improvement Specialists, transforming organisations by rapidly solving business problems and delivering…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24	Holos Change	Exact match	Surrey, United Kingdom	51-200	14 contacts →
	Exact match “Holos is a business consultancy with a global community of elite consultants, coaches and facilitators, We facilitate transformational cultural and leadership change through the…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
25	Henkan	Exact match	Wirral, United Kingdom	51-200	13 contacts →
	Exact match “Organisational leaders turn to Henkan when operational challenges start revealing deeper, systemic issues.” Recorded in the RevenueBase company graph · Sep 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 “continuous improvement 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 2,830 continuous improvement consulting firms based in the United Kingdom

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Continuous improvement consulting firms based in the United Kingdom at a glance

As of Sep 1, 2026

25.3%Verified-email coverage

6.9%Mobile-number coverage

4.5Average contacts per company

1-10Median size (employees)

27.3%Largest-city concentration · London

Sep 1, 2026Page data refreshed

Companies by employee count

1-10

2,295

11-50

337

51-200

201-500

501-1,000

1,001-5,000

10001+

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 “continuous improvement 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 3,202 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 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.

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

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

RevenueBase identified 2,830 company matches for continuous improvement 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?

Q5 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most continuous improvement consulting firms?

London leads with 774 company records, followed by Manchester (65) and Birmingham (38).

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 3,202 professional contacts with verified work emails tracked across these 2,830 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 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.