Company lists · Data refreshed November 2026
Top 21 Managed testing services providers based in the United Kingdom
RevenueBase identified 244 company matches for managed testing services providers associated with the United Kingdom as of November 2026 and tracks 7,466 professional contacts across them, including 1,745 with verified work emails. London is the largest hub.
This list covers company matches for managed testing services providers 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 6, 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.
The 21 largest managed testing services providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 426 contacts → | ||||
Exact match “At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 298 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 6, 2026 · View company records in RevenueBase | |||||
| 3 | 126 contacts → | ||||
Exact match “Recognised as the leading provider of Test Automation and Digital Transformation Services for both public and private organisations, Infuse Consulting is headquartered in the UK…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 100 contacts → | ||||
Exact match “Digivante helps ecommerce brands unify their QA, UX, & UAT into one seamless solution; improving speed, insight, and conversion.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 91 contacts → | ||||
Exact match “Virtuoso QA pushes the boundaries of traditional software test automation and quality assurance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 88 contacts → | ||||
Exact match “BugFinders is a world wide leading crowdsourced software testing company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 83 contacts → | ||||
Exact match “Timspark is a software development company/hub that creates custom software solutions to fit clients’ business needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 64 contacts → | ||||
Exact match “TADTELMAX is a Worldwide Testing House Company offering the best in class Mobile Testing Services for an End-to-End Product and Software Homologation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 50 contacts → | ||||
Exact match “Zoonou is one of the UK’s leading software testing companies; we’re a Certified B Corporation® and 100% employee-owned.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 47 contacts → | ||||
Exact match “At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 45 contacts → | ||||
Exact match “DWS is a global enterprise software services company delivering development, testing, and software supply chain security solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 37 contacts → | ||||
Exact match “CalibreCode provides on-demand and integrated Quality Assurance Solutions for Product Management & Engineering teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 34 contacts → | ||||
Exact match “Cloudberry360 is a leader in digital transformation, strategically partnering with global organizations to adopt technology responsibly and drive innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 29 contacts → | ||||
Exact match “Step into the future of testing today!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 29 contacts → | ||||
Exact match “Devbox Technologies is a UK based company that specializes in providing services related to the development, testing, maintenance, and enhancement of software applications for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 28 contacts → | ||||
Exact match “Cell Software is an expert provider of software solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 20 contacts → | ||||
Exact match “We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “At Experior we believe the user experience is everything.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 17 contacts → | ||||
Exact match “Our focus is your quality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 14 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 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “managed testing services providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 21 of 244 managed testing services providers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,745 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Managed testing services providers based in the United Kingdom at a glance
As of Nov 6, 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 244 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 “managed testing services providers” 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 1,745 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 6, 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.
Managed testing services providers 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 “managed testing services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many managed testing services providers are there based in the United Kingdom?
RevenueBase identified 244 company matches for managed testing services providers 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?
Resillion tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most managed testing services providers?
London leads with 95 company records, followed by Manchester (10) and Birmingham (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 1,745 professional contacts with verified work emails tracked across these 244 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 244 managed testing services providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Managed testing services providers by geography
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- Managed testing services providers based in Gurgaon, India
- Managed testing services providers based in Hyderabad, India
- Managed testing services providers based in Noida, India
- Managed testing services providers based in Pune, India
- Managed testing services providers based in Lahore, Pakistan
- Managed testing services providers based in London, United Kingdom
- Managed testing services providers based in Argentina
- Managed testing services providers based in Australia
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.
More company lists
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- Managed testing services providers based in Melbourne, Australia
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Company intelligence · public preview
Top 21 managed testing services providers based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 244 matching company records for managed testing services providers based in the United Kingdom, with 7,466 tracked contacts and 1,745 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 managed testing services providers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Resillionresillion.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 426 contacts → |
“At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  2i2itesting.comHQ: Edinburgh, United KingdomReported employees: 201-500 | Edinburgh, United Kingdom | 201-500 | Exact match | 298 contacts → |
“We help CTOs, Programme Directors, and Engineering Leaders deliver complex technology change safely, on time, under control, and at sustainable cost.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Infuseinfuse.itHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 126 contacts → |
“Recognised as the leading provider of Test Automation and Digital Transformation Services for both public and private organisations, Infuse Consulting is headquartered in the UK…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Digivante LTDdigivante.comHQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 100 contacts → |
“Digivante helps ecommerce brands unify their QA, UX, & UAT into one seamless solution; improving speed, insight, and conversion.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Virtuoso QAvirtuosoqa.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Virtuoso QA pushes the boundaries of traditional software test automation and quality assurance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bugfindersbugfinders.comHQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 88 contacts → |
“BugFinders is a world wide leading crowdsourced software testing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Timsparktimspark.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Timspark is a software development company/hub that creates custom software solutions to fit clients’ business needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Tadtelmaxtadtelmax.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“TADTELMAX is a Worldwide Testing House Company offering the best in class Mobile Testing Services for an End-to-End Product and Software Homologation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Zoonouzoonou.comHQ: Eastbourne, United KingdomReported employees: 11-50 | Eastbourne, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Zoonou is one of the UK’s leading software testing companies; we’re a Certified B Corporation® and 100% employee-owned.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kudos Games Serviceskudosqa.comHQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 47 contacts → |
“At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  DWSdws-global.comHQ: Marlow, United KingdomReported employees: 11-50 | Marlow, United Kingdom | 11-50 | Exact match | 45 contacts → |
“DWS is a global enterprise software services company delivering development, testing, and software supply chain security solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Calibrecode Solutions LTDcalibrecode.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“CalibreCode provides on-demand and integrated Quality Assurance Solutions for Product Management & Engineering teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cloudberry360cloudberry360.comHQ: Uxbridge, United KingdomReported employees: 51-200 | Uxbridge, United Kingdom | 51-200 | Exact match | 34 contacts → |
“Cloudberry360 is a leader in digital transformation, strategically partnering with global organizations to adopt technology responsibly and drive innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Original Softwareoriginalsoftware.comHQ: Basingstoke, United KingdomReported employees: 51-200 | Basingstoke, United Kingdom | 51-200 | Exact match | 29 contacts → |
“Step into the future of testing today!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Devboxdevboxtech.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“Devbox Technologies is a UK based company that specializes in providing services related to the development, testing, maintenance, and enhancement of software applications for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cell Software Services LTDcellsoftware.co.ukHQ: Brighton, United KingdomReported employees: 11-50 | Brighton, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Cell Software is an expert provider of software solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ATE Solutions LTDatesolutions.co.ukHQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 20 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Experiorexperiorgroup.comHQ: Staines, United KingdomReported employees: 51-200 | Staines, United Kingdom | 51-200 | Exact match | 20 contacts → |
“At Experior we believe the user experience is everything.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Assured Thought By Izertisassuredthought.comHQ: Shoreditch, United KingdomReported employees: 51-200 | Shoreditch, United Kingdom | 51-200 | Exact match | 17 contacts → |
“Our focus is your quality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Exactpro Systems Limitedexactprosystems.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  SMQAsmqa.co.ukHQ: Canterbury, United KingdomReported employees: 11-50 | Canterbury, United Kingdom | 11-50 | Exact match | 14 contacts → |
“SMQA is an established IT Consulting services company specialised in Quality Assurance, Performance Engineering and DevOps helping clients providing precise, scalable, quality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 244 company matches
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Managed testing services providers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
242 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 244 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Managed testing services providers by metro
Questions about this company list
What does Exact match mean for managed testing services providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many managed testing services providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 244 matching company records, 7,466 tracked contacts and 1,745 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Managed testing services providers by geography
- Managed testing services providers based in Melbourne, Australia
- Managed testing services providers based in Ahmedabad, India
- Managed testing services providers based in Bangalore, India
- Managed testing services providers based in Chennai, India
- Managed testing services providers based in Gurgaon, India
- Managed testing services providers based in Hyderabad, India
- Managed testing services providers based in Noida, India
- Managed testing services providers based in Pune, India
- Managed testing services providers based in Lahore, Pakistan
- Managed testing services providers based in London, United Kingdom
- Managed testing services providers based in Argentina
- Managed testing services providers based in Australia
Cite this list
RevenueBase Data Team. Top 21 managed testing services providers based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/managed-testing-services-providers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Managed testing services providers based in Melbourne, Australia
- Managed testing services providers based in Ahmedabad, India
- Managed testing services providers based in Bangalore, India
- Managed testing services providers based in Chennai, India
- Managed testing services providers based in Gurgaon, India
- Managed testing services providers based in Hyderabad, India
Company intelligence · public preview
Top 21 managed testing services providers based in the United Kingdom
RevenueBase records 244 matching company records for managed testing services providers based in the United Kingdom, with 7,466 tracked contacts and 1,745 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 managed testing services providers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Resillionresillion.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 426 contacts → |
“At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 2i2itesting.com HQ: Edinburgh, United KingdomReported employees: 201-500 | Edinburgh, United Kingdom | 201-500 | Exact match | 298 contacts → |
“We help CTOs, Programme Directors, and Engineering Leaders deliver complex technology change safely, on time, under control, and at sustainable cost.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Infuseinfuse.it HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 126 contacts → |
“Recognised as the leading provider of Test Automation and Digital Transformation Services for both public and private organisations, Infuse Consulting is headquartered in the UK…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Digivante LTDdigivante.com HQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 100 contacts → |
“Digivante helps ecommerce brands unify their QA, UX, & UAT into one seamless solution; improving speed, insight, and conversion.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Virtuoso QAvirtuosoqa.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Virtuoso QA pushes the boundaries of traditional software test automation and quality assurance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bugfindersbugfinders.com HQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 88 contacts → |
“BugFinders is a world wide leading crowdsourced software testing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Timsparktimspark.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Timspark is a software development company/hub that creates custom software solutions to fit clients’ business needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tadtelmaxtadtelmax.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“TADTELMAX is a Worldwide Testing House Company offering the best in class Mobile Testing Services for an End-to-End Product and Software Homologation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Zoonouzoonou.com HQ: Eastbourne, United KingdomReported employees: 11-50 | Eastbourne, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Zoonou is one of the UK’s leading software testing companies; we’re a Certified B Corporation® and 100% employee-owned.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kudos Games Serviceskudosqa.com HQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 47 contacts → |
“At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | DWSdws-global.com HQ: Marlow, United KingdomReported employees: 11-50 | Marlow, United Kingdom | 11-50 | Exact match | 45 contacts → |
“DWS is a global enterprise software services company delivering development, testing, and software supply chain security solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Calibrecode Solutions LTDcalibrecode.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“CalibreCode provides on-demand and integrated Quality Assurance Solutions for Product Management & Engineering teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cloudberry360cloudberry360.com HQ: Uxbridge, United KingdomReported employees: 51-200 | Uxbridge, United Kingdom | 51-200 | Exact match | 34 contacts → |
“Cloudberry360 is a leader in digital transformation, strategically partnering with global organizations to adopt technology responsibly and drive innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Original Softwareoriginalsoftware.com HQ: Basingstoke, United KingdomReported employees: 51-200 | Basingstoke, United Kingdom | 51-200 | Exact match | 29 contacts → |
“Step into the future of testing today!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Devboxdevboxtech.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“Devbox Technologies is a UK based company that specializes in providing services related to the development, testing, maintenance, and enhancement of software applications for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cell Software Services LTDcellsoftware.co.uk HQ: Brighton, United KingdomReported employees: 11-50 | Brighton, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Cell Software is an expert provider of software solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ATE Solutions LTDatesolutions.co.uk HQ: Blisworth, United KingdomReported employees: 11-50 | Blisworth, United Kingdom | 11-50 | Exact match | 20 contacts → |
“We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Experiorexperiorgroup.com HQ: Staines, United KingdomReported employees: 51-200 | Staines, United Kingdom | 51-200 | Exact match | 20 contacts → |
“At Experior we believe the user experience is everything.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Assured Thought By Izertisassuredthought.com HQ: Shoreditch, United KingdomReported employees: 51-200 | Shoreditch, United Kingdom | 51-200 | Exact match | 17 contacts → |
“Our focus is your quality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Exactpro Systems Limitedexactprosystems.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | SMQAsmqa.co.uk HQ: Canterbury, United KingdomReported employees: 11-50 | Canterbury, United Kingdom | 11-50 | Exact match | 14 contacts → |
“SMQA is an established IT Consulting services company specialised in Quality Assurance, Performance Engineering and DevOps helping clients providing precise, scalable, quality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 244 company matches
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Managed testing services providers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
242 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 244 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Managed testing services providers by metro
Questions about this company list
What does Exact match mean for managed testing services providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many managed testing services providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 244 matching company records, 7,466 tracked contacts and 1,745 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- Managed testing services providers based in London, United Kingdom
- Managed testing services providers based in Argentina
- Managed testing services providers based in Australia
Cite this list
RevenueBase Data Team. Top 21 managed testing services providers based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/managed-testing-services-providers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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