Company lists · Data refreshed September 2026

Top 25 Continuous improvement consultants based in the United Kingdom

RevenueBase identified 1,963 continuous improvement consultants headquartered in the United Kingdom as of September 2026 and tracks 6,894 professional contacts across them, including 1,956 with verified work emails. London is the largest hub.

This list covers continuous improvement consultants headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
1,963Companies
6,894Contacts tracked
1,956Verified emails
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The 25 largest continuous improvement consultants based in the United Kingdom

Ranked by team size
Top 25 of 1,963 continuous improvement consultants based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to continuous improvement consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 19, 2026201-500245 contacts →

Partial evidence

“Percipere is a niche global consultancy, partnering companies in their evolution towards greater operational efficiency and profitability.”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 19, 202651-200117 contacts →

Partial evidence

“Chartwell is a global operations consultancy with offices in London, Boston and Hamburg.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-20085 contacts →

Indirect evidence

“Growth Hub embeds operational teams inside professional services firms.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-20084 contacts →

Indirect evidence

“Proservartner is an international consulting firm.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026n/a84 contacts →

Indirect evidence

“With Simpler as your lean-transformation partner, you can achieve long-term success.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceLondon, United KingdomHQ checked Sep 19, 202651-20076 contacts →

Partial evidence

“We’re a specialist, management consultancy, focusing on; Customer Experience, Operational Excellence and Change Delivery, dedicated to helping our clients create real, positive…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-20074 contacts →

Indirect evidence

“Whether complex transformation is required across your business or you are seeking support with a small project, we are here to help.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceDerby, United KingdomHQ checked Sep 19, 202651-20073 contacts →

Indirect evidence

“Our passionate team of growth and productivity specialists work with you to develop, inspire and improve every aspect of your organisation.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceBirmingham, United KingdomHQ checked Sep 19, 202651-20064 contacts →

Indirect evidence

“Excelledia is a management consulting firm that provides insights, organizational transformation, and business strategy through people, process & technology consulting to clients…”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceReading, United KingdomHQ checked Sep 19, 202651-20056 contacts →

Indirect evidence

“Pink Elephant is an international knowledge leader in the field of business innovation & business change.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceManchester, United KingdomHQ checked Sep 19, 202651-20050 contacts →

Indirect evidence

“Collinson Grant helps clients throughout the world to improve efficiency and profitability.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceUxbridge, United KingdomHQ checked Sep 19, 202651-20049 contacts →

Indirect evidence

“S P A has been coined as our company name and the acronym which articulates three vital areas of an enterprise - Systems, Processes and Applications – which requires being robust…”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceChesham, United KingdomHQ checked Sep 19, 202611-5046 contacts →

Indirect evidence

“J P Hildreth help turn complex technical and operational challenges into practical reality.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceCambridge, United KingdomHQ checked Sep 19, 202651-20043 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202611-5040 contacts →

Indirect evidence

“Award-winning global consulting experts, blending top-tier consulting and development skills with a cross-functional team, including MVPs who are delivering cost-effective…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202611-5038 contacts →

Indirect evidence

“At Regency Grove we pride ourselves on providing each client with an exceptional standard of service to suit their specific needs and requirements.”

Source: RevenueBase Database · checked Sep 19, 2026
17Strong evidenceChesterfield, United KingdomHQ checked Sep 19, 202611-5034 contacts →

Strong evidence

“We are a highly respected training and consultancy organisation specialising in business and process improvement with over 30 years experience of developing practical, performance…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceGloucester, United KingdomHQ checked Sep 19, 202611-5034 contacts →

Indirect evidence

“Oliver Wight inspires people and organisations to achieve greatness.”

Source: RevenueBase Database · checked Sep 19, 2026
19Partial evidenceCoventry, United KingdomHQ checked Sep 19, 202611-5033 contacts →

Partial evidence

“From the team that built KM & T, developed the 'Productive Series' and delivered world-class improvement techniques across the globe, Develop Consulting is a UK-wide improvement…”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceGuildford, United KingdomHQ checked Sep 19, 202651-20033 contacts →

Partial evidence

“Helixr is a business consultancy known for delivering results.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceKingsclere, United KingdomHQ checked Sep 19, 202611-5033 contacts →

Indirect evidence

“The Woodhouse Partnership Ltd is an internationally acclaimed authority on asset management, risk management, operational excellence and life cycle cost/risk/performance…”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceFarnborough, United KingdomHQ checked Sep 19, 202611-5032 contacts →

Indirect evidence

“We are your partner in business optimisation.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceManchester, United KingdomHQ checked Sep 19, 202611-5032 contacts →

Indirect evidence

“Libra Europe | The Operational Implementation People We are operations experts who truly understand technology.”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5029 contacts →

Partial evidence

“Egremont Group is a globally recognised, award-winning consultancy that helps organisations achieve breakthrough transformation.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceLeamington Spa, United KingdomHQ checked Sep 19, 202611-5028 contacts →

Indirect evidence

“Geneo was set up in 2007 to pursue software solutions for operational excellence.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 1,963 continuous improvement consultants based in the United Kingdom

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Continuous improvement consultants based in the United Kingdom at a glance

As of Sep 19, 2026
28.4%Verified-email coverage
3.5Average contacts per company
1-10Median size (employees)
25.2%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,693
11-50
203
51-200
42
201-500
5
501-1,000
3
1,001-5,000
1
10001+
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,963 companies.

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 continuous improvement consultants, 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 “continuous improvement consultants”. 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 continuous improvement consultants), 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 continuous improvement consultants, 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, 1,956 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 September 19, 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.

Continuous improvement consultants by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its 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 the category the list is about. Each row is rated strong evidence when the company's own description names continuous improvement consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 1,963 continuous improvement consultants headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Percipere, headquartered in London, tops this list with the largest team on record.

Which city has the most continuous improvement consultants?

London leads with 494 headquartered companies, followed by Manchester (44) and Birmingham (27).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,956 verified decision-maker contacts tracked across these 1,963 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 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.