Company lists · Data refreshed September 2026

Top 25 Continuous improvement consulting firms based in London, United Kingdom

Name: Continuous improvement consulting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 9, 2026 789 companies tracked

RevenueBase identified 789 company matches for continuous improvement consulting firms associated with London, United Kingdom as of September 2026 and tracks 4,307 professional contacts across them, including 1,123 with verified work emails and 329 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for continuous improvement consulting firms associated with London, 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 9, 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 9, 2026 How this list was built

789Companies

4,307Contacts tracked

1,123Verified emails

329Mobile numbers

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The 25 largest continuous improvement consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 789 company matches for continuous improvement consulting firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 9, 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	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Sep 9, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
2	Clarasys	Exact match	London, United KingdomHQ recorded Sep 9, 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 9, 2026 · View company records in RevenueBase
3	ORG	Exact match	London, United KingdomHQ recorded Sep 9, 2026	1,001-5,000	139 contacts →
	Exact match “We believe that change is an opportunity to thrive.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
4	Chartwell	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	117 contacts →
	Exact match “Chartwell is a global operations consultancy with offices in London, Boston and Hamburg.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
5	Growth HUB	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	85 contacts →
	Exact match “Growth Hub embeds operational teams inside professional services firms.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
6	Proservartner	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	84 contacts →
	Exact match “Proservartner is an international consulting firm.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
7	Simpler Consulting, An IBM Company	Exact match	London, United KingdomHQ recorded Sep 9, 2026	n/a	84 contacts →
	Exact match “With Simpler as your lean-transformation partner, you can achieve long-term success.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
8	PEN	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	76 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 9, 2026 · View company records in RevenueBase
9	Eden Mccallum	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	75 contacts →
	Exact match “We redefined management consulting to make it better for clients and better for consultants.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
10	Change Management Group	Exact match	London, United KingdomHQ recorded Sep 9, 2026	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 9, 2026 · View company records in RevenueBase
11	Catalyst Consulting	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	63 contacts →
	Exact match “For more than 30 years, Catalyst has partnered with organisations to enable results.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
12	Mannaz I Consulting & Learning	Exact match	London, United KingdomHQ recorded Sep 9, 2026	201-500	52 contacts →
	Exact match “We partner with great clients to unleash untapped potential within organisations.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
13	Synapx	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	40 contacts →
	Exact match “Award-winning global consulting experts, blending top-tier consulting and development skills with a cross-functional team, including MVPs who are delivering cost-effective…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
14	Regency Grove Consultants	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	38 contacts →
	Exact match “At Regency Grove we pride ourselves on providing each client with an exceptional standard of service to suit their specific needs and requirements.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
15	Egremont Group	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	29 contacts →
	Exact match “Egremont Group is a globally recognised, award-winning consultancy that helps organisations achieve breakthrough transformation.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
16	AAR	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	28 contacts →
	Exact match “We are AAR.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
17	CI Projects	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	20 contacts →
	Exact match “CI Projects helps businesses continuously improve by enabling the true convergence of people, processes and technology.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
18	Consider Solutions	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	20 contacts →
	Exact match “Consider Solutions provide thought leadership, analytics, technology integration and best practice insight on the journey towards ‘World Class Finance & Operations’.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
19	Rishvi LTD	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	20 contacts →
	Exact match “Business Management Consultant and Expert” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
20	ACZEL	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	19 contacts →
	Exact match “Aczel is a management consultancy with a unique difference.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
21	AD Esse Consulting	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	18 contacts →
	Exact match “We are a performance improvement consultancy with a specialism in continuous improvement.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
22	Premier Advisory Group	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	18 contacts →
	Exact match “Premier Advisory Group is certified to ISO Standard 9001:2015 for the provision of management consultancy, our core objective has always been to drive and support continual…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
23	PHM Group Limited	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	18 contacts →
	Exact match “For over 30 years PHM has driven sustained business improvement for Global Automotive & Mobility Brands.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
24	Resiligent	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	17 contacts →
	Exact match “RESILIGENT: Leading the Charge in Data-Driven Professional Development Since 2010, RESILIGENT has been at the forefront of personal and organisational development, initially…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
25	JCURV	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	14 contacts →
	Exact match “JCURV is an award-winning consultancy with a mission is to increase the agility of organisations so they can thrive in an increasingly changing and uncertain world.” Recorded in the RevenueBase company graph · Sep 9, 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 789 continuous improvement consulting firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,123 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Continuous improvement consulting firms based in London, United Kingdom at a glance

As of Sep 9, 2026

26.1%Verified-email coverage

7.6%Mobile-number coverage

5.5Average contacts per company

1-10Median size (employees)

Sep 9, 2026Page data refreshed

Companies by employee count

1-10

622

11-50

127

51-200

201-500

1,001-5,000

10001+

Freshness & accuracy

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

Email last verified

Median 11.0d

1,0210–30

9531–60

061–90

090–180

7180+

Company record updated

Median 61.0d

00–30

2,04431–60

1,56261–90

45190–180

250180+

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 London, 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 1,123 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 9, 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 in the United Kingdom

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 London, United Kingdom?

RevenueBase identified 789 company matches for continuous improvement consulting firms associated with London, 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?

Moorhouse B Corp Certified tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most continuous improvement consulting firms?

London leads the United Kingdom 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 1,123 professional contacts with verified work emails tracked across these 789 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 9, 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.