Company lists · Data refreshed September 2026

Top 25 Process improvement companies based in the United Kingdom

RevenueBase identified 1,966 process improvement companies headquartered in the United Kingdom as of September 2026 and tracks 11,785 professional contacts across them, including 3,285 with verified work emails. London is the largest hub.

This list covers process improvement companies 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 20, 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 20, 2026 86% judged on-target in blind review
1,966Companies
11,785Contacts tracked
3,285Verified emails
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The 25 largest process improvement companies based in the United Kingdom

Ranked by team size
Top 25 of 1,966 process improvement companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to process improvement companies: 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
1Indirect evidenceLondon, United KingdomHQ checked Sep 20, 2026201-500245 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceLondon (uk), United KingdomHQ checked Sep 20, 202651-200142 contacts →

Indirect evidence

“At Sysdoc we exist to help our clients to transform, adapt and operate in order for them to achieve their ambitions, and to provide our own people with opportunities that allow…”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-200140 contacts →

Indirect evidence

“Business Science Corporation apply science and technology in order to ensure that our clients significantly increase their performance by giving them both the knowledge to perform…”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceBristol, United KingdomHQ checked Sep 20, 202651-200129 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-200117 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-200117 contacts →

Indirect evidence

“We are practitioners with centuries of combined expertise in enhancing organizations with innovative, human-centric solutions that create substantial and sustainable value by…”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 20, 202651-200108 contacts →

Partial evidence

“At ABP Consultancy, we are a discovery-led, outcome-focused firm specialising in business process management, value engineering, and AI-powered automation.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20085 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20084 contacts →

Indirect evidence

“Proservartner is an international consulting firm.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 20, 2026n/a84 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceNorthfleet, United KingdomHQ checked Sep 20, 202651-20078 contacts →

Indirect evidence

“We deliver business transformation through technology-enabled change.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20076 contacts →

Indirect 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 20, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 20, 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 20, 2026
14Indirect evidenceDerby, United KingdomHQ checked Sep 20, 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 20, 2026
15Indirect evidenceSwindon, United KingdomHQ checked Sep 20, 202651-20072 contacts →

Indirect evidence

“Excalibur provides an end to end business consulting service that offers reliable insight, and expertise in communications and technology.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 20, 2026201-50067 contacts →

Indirect evidence

“WELCOME TO GLOBALMINDS A Team of Brilliant Consultants, with years of experience GlobalMinds a group of highly experienced brilliant consultants with minimum 15+ years of…”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20065 contacts →

Indirect evidence

“At excelerated, we specialize in accelerating your Finance, Procurement, and Supply Chain transformations.”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceBirmingham, United KingdomHQ checked Sep 20, 202651-20064 contacts →

Partial 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 20, 2026
19Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20059 contacts →

Indirect evidence

“We’re people-first and culture-obsessed.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceHull, United KingdomHQ checked Sep 20, 202651-20057 contacts →

Partial evidence

“For over 40 years, Spectrum has helped organisations manage and improve their business and print processes.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceReading, United KingdomHQ checked Sep 20, 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 20, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20055 contacts →

Indirect evidence

“Albida’s core focus is business transformation.”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceManchester, United KingdomHQ checked Sep 20, 202651-20050 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202611-5049 contacts →

Indirect evidence

“Experts in architecting, building, and supporting Enterprise Performance Management, Business Intelligence, Analytical, and Technology solutions.”

Source: RevenueBase Database · checked Sep 20, 2026
25Partial evidenceUxbridge, United KingdomHQ checked Sep 20, 202651-20049 contacts →

Partial 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 20, 2026

Showing 25 of 1,966 process improvement companies based in the United Kingdom

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Process improvement companies based in the United Kingdom at a glance

As of Sep 20, 2026
27.9%Verified-email coverage
6.0Average contacts per company
1-10Median size (employees)
31.0%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,556
11-50
308
51-200
69
201-500
12
501-1,000
6
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 1,966 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 process improvement companies, 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 “process improvement companies”. 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 process improvement companies), 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 process improvement companies, 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, 3,285 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 20, 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.

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 process improvement companies, 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 process improvement companies are there based in the United Kingdom?

RevenueBase identified 1,966 process improvement companies 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 process improvement companies?

London leads with 609 headquartered companies, followed by Manchester (47) and Birmingham (30).

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 3,285 verified decision-maker contacts tracked across these 1,966 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 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 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.