Company lists · Data refreshed September 2026
Top 25 Quality management consultancies based in London, United Kingdom
RevenueBase identified 162 quality management consultancies headquartered in London, United Kingdom as of September 2026 and tracks 24,548 professional contacts across them, including 7,260 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers quality management consultancies headquartered in London, 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 29, 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.
The 25 largest quality management consultancies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 23,155 contacts → | ||||
Partial evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 250 contacts → | ||||
Partial evidence “Since 1987 HQTS has delivered product inspections, factory audits, testing and quality consulting throughout Asia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 118 contacts → | ||||
Partial evidence “Artelia UK is a multidisciplinary project and cost management consultancy.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 110 contacts → | ||||
Partial evidence “Your partners in quality.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 57 contacts → | ||||
Indirect evidence “We are a team of specialists, delivering successful change by building dependable relationships and empowering teams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 45 contacts → | ||||
Indirect evidence “ABOUT US Who Are We?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 28 contacts → | ||||
Partial evidence “Teknavo was founded in 2006 to provide technical and management consultancy services for the world’s most respected organizations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 24 contacts → | ||||
Partial evidence “At Apotech, we are trusted Life Sciences experts specialising in Quality Assurance and Regulatory Affairs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 20 contacts → | ||||
Partial evidence “RiverArk is a Global Quality Consultancy providing comprehensive services in GxP domain.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 18 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 17 contacts → | ||||
Indirect evidence “ISO Standards can help you improve efficiency, reduce costs and increase tender opportunities.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 contacts → | ||||
Indirect evidence “inglasia pharma solutions specialises in training and consultancy services to the pharmaceutical industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 6 contacts → | ||||
Partial evidence “RiverRouge is a niche Manufacturing Practice specialized in Manufacturing Robustness and Quality Control.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 5 contacts → | ||||
Indirect evidence “Unparalleled project consultancy services challenging assumptions and creating value every step of the way.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Indirect evidence “Setax Training and Consultancy Limited is a company that specialises in providing consulting and training services to small and medium-sized businesses in the pharmaceutical…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “Determanagement Ltd are UK & International Business Advisors – Project & Process Construction Management Consultants offering a co-ordinated approach of providing guidance and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Partial evidence “Touchstone Renard Limited is a leading management and engineering consultancy established thirty years ago.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Indirect evidence “The Lymden Group provides consultancy and professional services for customers seeking to maximise the benefits of their deliveries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Strong evidence “isoTracker Solutions Ltd is one of the leading suppliers of quality management software solutions powered by the isoTracker QMS software platform.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “Exel Consultancy was founded since the network provider sector had historically plateaued due to the network sourcing poor service providers to support their clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial evidence “About Capable Consultancy: Expertise and Experience - We have deep industry knowledge, extensive experience, and a track record for delivering high standard commercial and quality…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “Welcome to Goring Consulting, where we specialise in optimising processes to seamlessly transform resources into exceptional products and services, meeting the ever-evolving needs…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Strong evidence “A niche management consultancy specialising in the development and implementation of Quality & Process Management solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “We deliver a bespoke Environmental, Health & Safety and Quality Consultancy service across a range of industries including M&E, construction, transport, manufacturing, technology…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “JSC Consultant Solutions Ltd was founded by Henrik Schouboe in 2012.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: quality management consultancies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names quality management consultancies.
- Partial evidence
- Its own public description names part of quality management consultancies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quality management consultancies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 162 quality management consultancies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 7,260 reachable decision-makers.
Free signup · no credit card
Quality management consultancies based in London, United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 162 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 quality management consultancies, 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 London, United Kingdom whose own description of what they do matches “quality management consultancies”. 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 quality management consultancies), 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 quality management consultancies, and records with no verified work email. Companies headquartered outside London 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, 7,260 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 29, 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 quality management consultancies, 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 quality management consultancies are there based in London, United Kingdom?
RevenueBase identified 162 quality management consultancies headquartered in London, 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?
Intertek, headquartered in London, tops this list with the largest team on record.
Which city in the United Kingdom has the most quality management consultancies?
London leads the United Kingdom with 162 headquartered companies, followed by Manchester (30) and Glasgow (18).
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 7,260 verified decision-maker contacts tracked across these 162 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 162 quality management consultancies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Quality management consultancies by geography
- Quality management consultancies based in Buenos Aires, Argentina
- Quality management consultancies based in Brisbane, Australia
- Quality management consultancies based in Melbourne, Australia
- Quality management consultancies based in Sydney, Australia
- Quality management consultancies based in Belo Horizonte, Brazil
- Quality management consultancies based in Curitiba, Brazil
- Quality management consultancies based in Recife, Brazil
- Quality management consultancies based in Rio De Janeiro, Brazil
- Quality management consultancies based in Sao Paulo, Brazil
- Quality management consultancies based in Toronto, Canada
- Quality management consultancies based in Paris, France
- Quality management consultancies based in Toulouse, France
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Quality management consultancies based in Buenos Aires, Argentina
- Quality management consultancies based in Brisbane, Australia
- Quality management consultancies based in Melbourne, Australia
- Quality management consultancies based in Sydney, Australia
- Quality management consultancies based in Belo Horizonte, Brazil
- Quality management consultancies based in Curitiba, Brazil