Company lists · Data refreshed September 2026
Top 25 Quality engineering staffing companies based in the United Kingdom
RevenueBase identified 352 quality engineering staffing companies headquartered in the United Kingdom as of September 2026 and tracks 4,564 professional contacts across them, including 1,577 with verified work emails. London is the largest hub.
This list covers quality engineering staffing 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 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 engineering staffing companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 506 contacts → | ||||
Indirect evidence “Waterman Aspen welcomes engineers and technical specialists to make their mark on some of the biggest infrastructure projects across the UK on a secondment basis.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 248 contacts → | ||||
Partial evidence “We help CTOs, Programme Directors, and Engineering Leaders deliver complex technology change safely, on time, under control, and at sustainable cost.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 247 contacts → | ||||
Partial evidence “The Shorterm Group provides specialist recruitment services and technical support for the engineering industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 174 contacts → | ||||
Indirect evidence “For over 60 years, MPI has been connecting skilled people with industry, delivering recruitment, workforce solutions and project support to some of the UK's most demanding sectors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 125 contacts → | ||||
Partial evidence “Skilliantech Ltd, trading as “SkillRecruit”, is a specialist IT and Engineering recruitment agency delivering comprehensive coverage of recruitment services across all industries…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 109 contacts → | ||||
Partial evidence “Roq is changing the way the world views Quality.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 81 contacts → | ||||
Strong evidence “tiQtoQ is an independent, innovation-led Quality Engineering partner delivering customised services and intelligent products across industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 73 contacts → | ||||
Partial evidence “Welcome to SER (Staffing) Ltd specialist technical recruiters Established in 2002 we work with major organisations across the World helping them source and recruit technical…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 70 contacts → | ||||
Partial evidence “Qniverse is your trusted Quality Assurance service partner that stands at the forefront of a paradigm shift in QA by redefining quality.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 69 contacts → | ||||
Strong evidence “For over two decades, Employment Solutions has been matching qualified and forward-thinking candidates with some of the biggest engineering, manufacturing, and technology…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 64 contacts → | ||||
Partial evidence “You will be working with an industry leader in the engineering, manufacturing, commercial and technical recruitment sectors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 60 contacts → | ||||
Indirect evidence “CBSbutler is a multi-award winning recruitment firm specialising in technical appointments across global industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 58 contacts → | ||||
Partial evidence “Howard Finley Ltd was founded in 2016 by a team of experienced consultants with the aim of delivering a bespoke high quality recruitment service focused on the needs our clients…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 56 contacts → | ||||
Partial evidence “We place contract and permanent staff, across entire product life cycles, within engineering and technical roles, throughout the UK and worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 55 contacts → | ||||
Partial evidence “Since our inception in 2009, Future has built a reputation based on the quality of our service, our principles of honesty, integrity, efficiency and always doing the right thing…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 49 contacts → | ||||
Indirect evidence “Powering Global STEM | Discover the Power of a Partner.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 46 contacts → | ||||
Indirect evidence “We empower businesses by solving one of their biggest challenges: finding the right people.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 45 contacts → | ||||
Indirect evidence “With over 35 years of experience, we have developed our services to provide our customers with a personal level of commitment with regular on-site visits, industry leading…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 39 contacts → | ||||
Strong evidence “CalibreCode provides on-demand and integrated Quality Assurance Solutions for Product Management & Engineering teams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 39 contacts → | ||||
Indirect evidence “Whilst everything is changing so drastically, we have created a new-gen solution to bring clients and candidates together.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 39 contacts → | ||||
Indirect evidence “Seven Life Sciences has been set up with a very specific ambition in mind, to become the company Pharmaceutical, Medical Devices, Biotech and Clinical companies come to and trust…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 38 contacts → | ||||
Partial evidence “Established in 1990, Scantec is a leading UK-based recruitment agency specialising in the Engineering, Manufacturing, and Scientific sectors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 36 contacts → | ||||
Indirect evidence “We’re Stirling Warrington, Specialists in Recruiting Specialists.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 36 contacts → | ||||
Partial evidence “Pioneer Selection the UK's leading Engineering Recruitment Agency Originally created with one simple vision in mind, to become the UK’s leading Technical Engineering recruitment…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 34 contacts → | ||||
Indirect evidence “Specializing in meeting client needs and project requirements, delivering top-tier personnel for successful outcomes.” 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 engineering staffing companies. 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 engineering staffing companies.
- Partial evidence
- Its own public description names part of quality engineering staffing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quality engineering staffing companies. 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 352 quality engineering staffing companies based in the United Kingdom
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Quality engineering staffing companies based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
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 352 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 engineering staffing 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 “quality engineering staffing 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 quality engineering staffing 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 quality engineering staffing 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, 1,577 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.
Quality engineering staffing companies 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 quality engineering staffing 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 quality engineering staffing companies are there based in the United Kingdom?
RevenueBase identified 352 quality engineering staffing 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?
Waterman Aspen, headquartered in Chelmsford, tops this list with the largest team on record.
Which city has the most quality engineering staffing companies?
London leads with 91 headquartered companies, followed by Manchester (20) and Bristol (9).
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 1,577 verified decision-maker contacts tracked across these 352 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.
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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.
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