Company lists · Data refreshed November 2026

Top 24 Software testing staffing agencies based in the United Kingdom

RevenueBase identified 149 company matches for software testing staffing agencies associated with the United Kingdom as of November 2026 and tracks 3,833 professional contacts across them, including 622 with verified work emails. London is the largest hub.

This list covers company matches for software testing staffing agencies 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 November 5, 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 Nov 5, 2026 How this list was built
149Companies
3,833Contacts tracked
622Verified emails
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The 24 largest software testing staffing agencies based in the United Kingdom

Ranked by team size
Top 24 of 149 company matches for software testing staffing agencies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchEdinburgh, United KingdomHQ recorded Nov 5, 2026201-500298 contacts →

Exact match

“We help CTOs, Programme Directors, and Engineering Leaders deliver complex technology change safely, on time, under control, and at sustainable cost.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchRedhill, United KingdomHQ recorded Nov 5, 202611-5069 contacts →

Exact match

“CBSbutler is a multi-award winning recruitment firm specialising in technical appointments across global industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBlackpool, United KingdomHQ recorded Nov 5, 202651-20027 contacts →

Exact match

“WJF Technical Support has been sourcing and managing technical staff requirements since 2010 with first-hand knowledge of working across the industries we support.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-1019 contacts →

Exact match

“MDJ Partnered Solutions is a leading recruitment agency specializing in providing expert staffing solutions to the Life Sciences sector and the broader industries of Testing…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSouthampton, United KingdomHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Endeavour Recruitment is a global leader in technical recruitment, specialising in connecting technology professionals with innovative organizations worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchCanterbury, United KingdomHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“SMQA is an established IT Consulting services company specialised in Quality Assurance, Performance Engineering and DevOps helping clients providing precise, scalable, quality…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchLeeds, United KingdomHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“A team of innovative Technology Leaders and Quality Engineers, we take a solution-led approach to help our clients engineer quality into all stages of their product lifecycle.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-108 contacts →

Exact match

“Sourcing top talent for fast growing technology companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBirmingham, United KingdomHQ recorded Nov 5, 20261-107 contacts →

Exact match

“At James Andrews Technology, we’re passionate about shaping the future of the tech industry by connecting exceptional talent with opportunity and delivering solutions that…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchGloucester, United KingdomHQ recorded Nov 5, 202611-507 contacts →

Exact match

“We specialise in software testing, automation, data migration and ProductWriter, bringing together a unique blend of technical and industry knowledge.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchChester, United KingdomHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Pathfinder Recruitment is a specialist IT recruitment agency focused on delivering high-impact IT candidates across software, technology and data teams.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-106 contacts →

Exact match

“Talrise Recruitment is a UK-based company that provides opportunities to its clients to employ the best talents for their vacancies in front-end, back-end, DevOps and QA Tester…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchHull, United KingdomHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Welcome to Principal IT - Your Premier Partner in IT Recruitment!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchHornchurch, United KingdomHQ recorded Nov 5, 202611-505 contacts →

Exact match

“We are a specialist Permanent and Contract IT recruitment agency, focussing our efforts on sectors such as Microsoft Development, Opensource Development, Software Testing and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchWest End, United KingdomHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Introducing Launch Lab, your strategic partner in scaling for tech teams and companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchEdinburgh, United KingdomHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Founded in 2011 by industry veteran Nick Barrett, Proper QA is a quality assurance service provider, specialising in quality assurance testing and the creation of innovative test…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Assurance.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBristol, United KingdomHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Since 2007 we've been connecting IT leads and CTOs to skilled Testers, Developers and Architects who can meet complex project needs and requirements and facilitate transformation…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“At Pros2Work we love people and Tech.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“TechRight recruitment is an agency like no other revolutionising the way that IT Specialist are put into placements.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-102 contacts →

Exact match

“At Optimal, recruitment is more than just matching candidates with roles - it’s about building lasting relationships and thriving communities.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Echelon Partners focus exclusively on connecting experienced candidates in the tech industry to our clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchRoyal Tunbridge Wells, United KingdomHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Identifying and hiring the best software testing & quality engineering talent in the market, can be painstaking work, but it doesn’t have to be.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Our team provides the best developers considering not only tech skills but soft-skills as well.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 149 software testing staffing agencies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 622 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software testing staffing agencies based in the United Kingdom at a glance

As of Nov 5, 2026
16.2%Verified-email coverage
25.7Average contacts per company
1-10Median size (employees)
36.9%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
100
11-50
31
51-200
11
201-500
4
1,001-5,000
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 149 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 “software testing staffing agencies” 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 622 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 November 5, 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.

Software testing staffing agencies by metro

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 “software testing staffing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many software testing staffing agencies are there based in the United Kingdom?

RevenueBase identified 149 company matches for software testing staffing agencies associated with the United Kingdom as of November 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?

2i tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most software testing staffing agencies?

London leads with 55 company records, followed by Manchester (8) and Leeds (4).

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 622 professional contacts with verified work emails tracked across these 149 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 November 5, 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.