Company lists · Data refreshed September 2026

Top 25 Process improvement firms based in the United Kingdom

RevenueBase identified 1,807 company matches for process improvement firms associated with the United Kingdom as of September 2026 and tracks 8,303 professional contacts across them, including 1,777 with verified work emails. London is the largest hub.

This list covers company matches for process improvement 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 20, 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 20, 2026 How this list was built
1,807Companies
8,303Contacts tracked
1,777Verified emails
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The 25 largest process improvement firms based in the United Kingdom

Ranked by team size
Top 25 of 1,807 company matches for process improvement firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBristol, United KingdomHQ recorded Sep 20, 202651-200129 contacts →

Exact match

“Squarcle is a procurement, supply chain and digital specialist which sits at the centre of transformation, with a skillset which has proven relevance in any market characterised…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200117 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20085 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20084 contacts →

Exact match

“Proservartner is an international consulting firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 20, 2026n/a84 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20076 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 20, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20074 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 20, 2026 · View company records in RevenueBase
8Exact matchDerby, United KingdomHQ recorded Sep 20, 202651-20073 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 20, 2026 · View company records in RevenueBase
9Exact matchReading, United KingdomHQ recorded Sep 20, 202651-20056 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 20, 2026 · View company records in RevenueBase
10Exact matchManchester, United KingdomHQ recorded Sep 20, 202651-20050 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchUxbridge, United KingdomHQ recorded Sep 20, 202651-20049 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5040 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 20, 2026 · View company records in RevenueBase
13Exact matchCowes, United KingdomHQ recorded Sep 20, 202611-5036 contacts →

Exact match

“At In2action, we believe in delivering out of this world customer experiences.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchChesterfield, United KingdomHQ recorded Sep 20, 202611-5034 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchGloucester, United KingdomHQ recorded Sep 20, 202611-5034 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchCoventry, United KingdomHQ recorded Sep 20, 202611-5033 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchManchester, United KingdomHQ recorded Sep 20, 202611-5032 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5029 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 20, 2026 · View company records in RevenueBase
19Exact matchTheale, United KingdomHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“Managementors is a UK-based independent business operations consultancy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchSheffield, United KingdomHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“BrookConsult is a business consultancy supporting organisations to improve performance, develop leaders, streamline operations and adopt the right technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchShrewsbury, United KingdomHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“ReThink Productivity helps organizations optimise workforce management, labour standards, and operational efficiency.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchSt. Ives, United KingdomHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“We offer a comprehensive range of consulting, custom software development and support services to assist customers to improve efficiencies through automating processes, accessing…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5026 contacts →

Exact match

“Every business is unique in its setup, processes, and goals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLeeds, United KingdomHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“Scale without slowdown, increase operational efficiency, and shorten time-to-value.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchLutterworth, United KingdomHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“What got you here, won't get you there.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 1,807 process improvement firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,777 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Process improvement firms based in the United Kingdom at a glance

As of Sep 20, 2026
21.4%Verified-email coverage
4.6Average contacts per company
1-10Median size (employees)
26.7%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,535
11-50
218
51-200
35
201-500
5
501-1,000
3
1,001-5,000
1
5,001-10,000
1
10001+
2

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 1,807 companies.

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 “process improvement 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 1,777 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 20, 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.

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

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

RevenueBase identified 1,807 company matches for process improvement 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?

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

Which city has the most process improvement firms?

London leads with 482 company records, followed by Manchester (45) and Birmingham (25).

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 1,777 professional contacts with verified work emails tracked across these 1,807 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 20, 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.