Top Software Testing Companies in the United Kingdom
From London’s fintech leaders and the Thames Valley’s enterprise tech corridor to Scotland’s thriving games studios in Edinburgh and Dundee, UK software testing firms support products used worldwide.
On Clutch, you can compare verified providers by client reviews, case studies, certifications, and domain expertise to find a partner who fits your stack and standards. Our analysts validate testimonials and portfolios, so you can shortlist teams skilled in automation, performance, security, and compliance with confidence. Use filters for budget, hourly rate, location, industry, and certifications (ISTQB, ISO 27001) to narrow the field fast. Explore the broader market or go local here:
• Top Software Testing Companies
• Software Testing Companies in London
• Software Testing Companies in Birmingham
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Featured
What are Featured Providers?
$5,000+Undisclosed50 - 249Serves United KingdomServices provided
See all 60 projectsQA Wolf is a company specializing in Application Quality Assurance with a focus on automated testing services. Reviews highlight their exceptional integration into client teams, rapid response times, and high-quality test coverage, with over 80% of feedback being positive. Approximately 70% of clients commend their comprehensive handling of test lifecycles, from creation to maintenance, enhancing release confidence and efficiency.
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UndisclosedUndisclosed10 - 49Stow cum Quy, England
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IoT & Approval Solutions Australia Pty Ltd is an Application Testing company in Stow cum Quy, England and Parramatta, Australia. They offer Application Testing and were founded in 2003.
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$10,000+$100 - $149 / hr10 - 49London, England
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Launched in 2020, Cloudini is a cloud consulting & SI company. The team provides cloud consulting & SI and IT staff augmentation.
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$25,000+Undisclosed50 - 249Redruth, England
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Headforwards, a midsize IT strategy consulting company, is located in Redruth, England. Their services include IT strategy consulting and BI & big data consulting & SI.
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Undisclosed$50 - $99 / hr10 - 49London, England
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See all 1 projectsYour Untapped Potential Awaits We’ve made it our mission to take your business from ambitious to established through mobile app and website creation. So, what does that mean? Well, with a
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$25,000+$50 - $99 / hr10 - 49London, England
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SnatchDigital is an IT staff augmentation company. The team focuses on IT staff augmentation and Application Testing and is in London, England and San francisco, California.
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$10,000+$150 - $199 / hr250 - 999London, England
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Veracode is a Cybersecurity company located in Burlington, Massachusetts and London, England. They focus on Cybersecurity and Application Testing and were established in 2006.
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UndisclosedUndisclosed250 - 999London, England
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Exactpro, an Application Testing company, was launched in 2009. The midsize team specializes in Application Testing and Custom Software Development.
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UndisclosedUndisclosed250 - 999Manchester, England
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Custom software development company Godel Technologies is located in Manchester, England and Belarus. They offer Custom Software Development and Mobile App Development and were established in 2002.
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UndisclosedUndisclosed10 - 49London, England
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Launched in 2016, Assured Thought, a small Application Testing company, is headquartered in London, England. Their team focuses on Application Testing and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Glasgow, Scotland
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Scapa Technologies is an Application Testing company. The team is based in Dun Laoghaire, Ireland and Glasgow, Scotland, and their services include Application Testing and IT strategy consulting.
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UndisclosedUndisclosed10 - 49London, England
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Founded in 2025, Prawda Digital is a small London, England-based Application Testing company. Their team focuses on Application Testing and IT managed services.
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$10,000+Undisclosed250 - 999London, England
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DVT, a business intelligence company, was established in 1999. Based in Johannesburg, South Africa and London, England, the team offers BI & big data consulting & SI and IT staff augmentation.
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$10,000+< $25 / hr50 - 249London, England
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See all 1 projectsMindCrew Technologies provides comprehensive services including App Testing, QA Testing, and Software Testing. Their reviews consistently highlight professional teamwork, logical problem-solving, and timely delivery. Clients are particularly impressed with their project management skills and the quality and stability of their testing services.
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Undisclosed$25 - $49 / hr10 - 49Reading, England
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Appformation is a small mobile app development company. They offer Mobile App Development and Web Design and were established in 2014.
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UndisclosedUndisclosed250 - 999City of London, England
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Located in Philadelphia, Pennsylvania and City of London, England, Invent Analytics is an AI company. They specialize in Artificial Intelligence and Application Testing.
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$25,000+Undisclosed10 - 49London, UK, England
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Solusent is a CRM consulting and SI company founded in 2020. Their team specializes in CRM consulting and SI and Mobile App Development.
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UndisclosedUndisclosed2 - 9Langdon Hills, England
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Blaze Technology Solutions, a small Application Testing company, is headquartered in Puducherry, India and Langdon Hills, England. The team focuses on Application Testing and Web Design.
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$10,000+$50 - $99 / hr10 - 49Alresford, England
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First Option Software Ltd is a software development company. Their team is based in Alresford, England and provides Custom Software Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49London, England
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CyberSRC Consultancy LLP is a Cybersecurity company. The team provides Cybersecurity and Application Testing and is headquartered in Noida, India and London, England.
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$25,000+$25 - $49 / hr10 - 49London, England
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APPNETWISE is a Hyderabad, India-based IT strategy consulting company. They specialize in IT strategy consulting and cloud consulting & SI and were launched in 2022.
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UndisclosedUndisclosed50 - 249City of London, England
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Worksoft is an Application Testing company. Founded in 1998, the team focuses on Application Testing and IT strategy consulting. The company is in Addison, Texas and City of London, England.
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UndisclosedUndisclosed50 - 249Cambridge, England
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Gearset is a CRM consulting and SI and Application Testing company. The Chicago, Illinois-based company was launched in 2015. Their team focuses on CRM consulting and SI and Application Testing.
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UndisclosedUndisclosed50 - 249Newcastle, Northern Ireland
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Test Driven Solutions Ltd. Is a software development company and Application Testing company. They provide Custom Software Development and Application Testing and were launched in 2020.
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UndisclosedUndisclosed50 - 249LE5 4LE, England
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Infuse Consulting is a midsize Application Testing company. They focus on Application Testing and DevOps Managed Services and were founded in 2002.
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UndisclosedUndisclosed50 - 249London, England
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Application Testing and Robotics Process Automation company Resolve Systems was launched in 2014. The team focuses on Application Testing and Robotics Process Automation.
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UndisclosedUndisclosed1,000 - 9,999Crawley, England
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Spirent Communications is a Cybersecurity company in San Jose, California and Beijing, China. They offer Cybersecurity and IT managed services and were launched in 1936.
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UndisclosedUndisclosedFreelancerCity of London, England
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CA Software Testing is an Application Testing company established in 2018. The team focuses on Application Testing.
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UndisclosedUndisclosedFreelancerLondon, England, England
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TR Seeds Ltd is an Application Testing company. Established in 2019, their team focuses on Application Testing.
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$25,000+$150 - $199 / hr1,000 - 9,999London, England
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Prolifics is an ECM consulting and SI company. Launched in 1978, the team focuses on ECM consulting and SI and unified communications consulting & SI.
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$10,000+Undisclosed1,000 - 9,999London, England
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Telefónica Tech (EN) is a Cybersecurity company. They are in London, England, and their services include Cybersecurity and IT managed services.
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$25,000+Undisclosed2 - 9London, England
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Launched in 2019, Yaya is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Product Design.
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$10,000+< $25 / hr50 - 249Heathrow, England
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Established in 2004, Root Info Solutions is an e-commerce development firm. The firm offers E-Commerce Development and Mobile App Development, and is midsize.
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$10,000+$50 - $99 / hr2 - 9Manchester, England
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Dolus Security is a small Application Testing company established in 2024. Their services include Application Testing and Cybersecurity.
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$10,000+$300+ / hr50 - 249Houghton le Spring, England
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Headquartered in Houghton le Spring, England, Leighton is a midsize custom software development company. The team provides Custom Software Development and IT strategy consulting.
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$25,000+$25 - $49 / hr1,000 - 9,999Harrow, England
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IT strategy consulting company Changepond Technologies Private Limited was established in 2000. The agency specializes in IT strategy consulting and IT managed services.
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UndisclosedUndisclosed50 - 249Ringwood, England
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Smarter Technologies Group, a web development company, provide Web Development and IoT development. They were launched in 2009.
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$1,000+$25 - $49 / hr50 - 249London, England
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Custom software development company Hardcastle GIS was launched in 2011. The team provides Custom Software Development and Application Testing.
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$100,000+$50 - $99 / hr50 - 249Richmond upon Thames, England
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Estafet is a midsize custom software development firm. Launched in 2002, the team provides Custom Software Development and Artificial Intelligence.
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UndisclosedUndisclosed250 - 999London, England
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Ten10 Group is a midsize Application Testing company. Founded in 2004, the team provides Application Testing and Artificial Intelligence.
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$10,000+$150 - $199 / hr2 - 9Bristol , England
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User experience company 3Sixty is headquartered in Bristol , England. They provide UX/UI Design and Conversion Optimization.
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$5,000+$100 - $149 / hr2 - 9Belfast, Northern Ireland
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Founded in 2006, Vertical Structure is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Cybersecurity.
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Undisclosed$25 - $49 / hr2 - 9Cardiff, Wales
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Headquartered in Cardiff, Wales, LUMA Solutions is an IT managed services company. The team provides IT managed services and Application Testing.
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$10,000+$200 - $300 / hr50 - 249Newcastle upon Tyne, England
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Established in 2013, Malleum is a midsize Ottawa, Canada-based cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.
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$5,000+$100 - $149 / hr250 - 999Nether Poppleton, England
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Trustmarque Solutions Ltd is a Nether Poppleton, England-based big data company. They offer BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9London, England
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Founded in 2020, Cyber Sense Limited is a Cybersecurity company. The team offers Cybersecurity and Application Testing.
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UndisclosedUndisclosed10 - 49Bedford, England
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Tappable Agency, an UX company, provides UX/UI Design and Web Development. The agency is in Bedford, England.
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UndisclosedUndisclosed10 - 49London, England
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Headquartered in London, England and Amsterdam, Netherlands, Maxima Compliance is a Business Consulting company. Their services include Business Consulting and other IT consulting and SI.
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$5,000+$25 - $49 / hr10 - 49Stanwell, England
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Quirinus Solutions Ltd is a software development company. Located in Stanwell, England, the firm was launched in 2017. Their team provides Custom Software Development and E-Commerce Development.
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$10,000+$150 - $199 / hr2 - 9Huddersfield, England
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Offroadcode Limited is an UX design company. Their small team is headquartered in Huddersfield, England. Their team focuses on UX/UI Design and E-Commerce Development.
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Undisclosed$50 - $99 / hr2 - 9London, England
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Cybersecurity company Cyber Legion was launched in 2021. Located in London, England, the team offers Cybersecurity and Application Testing.
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List of the Top 15 United Kingdom QA Testers
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$5,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
39.4/40.019.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
33.8/40.018.6/20 Reviews8.7/10 Clients & Experience6.5/10 Market PresenceService focus
100% Application Testing -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
30.5/40.016.4/20 Reviews6.7/10 Clients & Experience7.4/10 Market PresenceService focus
80% Application Testing20% Other -
$50,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
UndisclosedUndisclosed50 - 249London, England
Ability to deliver
32.4/40.016.2/20 Reviews6.5/10 Clients & Experience9.7/10 Market PresenceService focus
55% Application Testing45% Other -
$10,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$1,000+Undisclosed10 - 49London, England
Ability to deliver
31.7/40.018.4/20 Reviews6.2/10 Clients & Experience7/10 Market PresenceService focus
45% Application Testing55% Other -
$50,000+$50 - $99 / hr250 - 999Farnborough, England
Ability to deliver
35.4/40.015.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$1,000+$50 - $99 / hr2 - 9Exeter, England
Ability to deliver
24.3/40.016.4/20 Reviews3/10 Clients & Experience4.9/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr2 - 9Keynsham, England
Ability to deliver
24.2/40.016.2/20 Reviews2.4/10 Clients & Experience5.6/10 Market PresenceService focus
100% Application Testing -
$1,000+$25 - $49 / hr10 - 49Hildenborough, England
Ability to deliver
33/40.016.6/20 Reviews8.4/10 Clients & Experience8/10 Market PresenceService focus
30% Application Testing70% Other -
$5,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
34.8/40.018.2/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
10% Application Testing90% Other -
Undisclosed$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
28.4/40.014/20 Reviews8.5/10 Clients & Experience5.9/10 Market PresenceService focus
20% Application Testing80% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
21.5/40.016.6/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
50% Application Testing50% Other -
$1,000+$25 - $49 / hr10 - 49Carlisle, England
Ability to deliver
20.8/40.016.2/20 Reviews0.6/10 Clients & Experience4/10 Market PresenceService focus
95% Application Testing5% Other -
Undisclosed$50 - $99 / hr10 - 49London, England
Ability to deliver
21.1/40.016.2/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
80% Application Testing20% Other -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
31.4/40.016.2/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
15% Application Testing85% Other -
$10,000+$25 - $49 / hr50 - 249Potters Bar, England
Ability to deliver
32.3/40.017.4/20 Reviews8.8/10 Clients & Experience6.1/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
31.7/40.016.8/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$50 - $99 / hr10 - 49Farnham, England
Ability to deliver
31.2/40.016.2/20 Reviews9.6/10 Clients & Experience5.3/10 Market PresenceService focus
10% Application Testing90% Other -
Undisclosed< $25 / hr10 - 49London, England
Ability to deliver
31/40.015.8/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
10% Application Testing90% Other -
$75,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
20.5/40.015.2/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
40% Application Testing60% Other -
$5,000+< $25 / hr2 - 9Harrow, England
Ability to deliver
23.5/40.016.2/20 Reviews2.4/10 Clients & Experience4.9/10 Market PresenceService focus
60% Application Testing40% Other -
$50,000+$100 - $149 / hr10 - 49Manchester, England
Ability to deliver
30.4/40.015.6/20 Reviews9.1/10 Clients & Experience5.7/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+< $25 / hr10 - 49Woking, England
Ability to deliver
23/40.016.2/20 Reviews2.8/10 Clients & Experience4/10 Market PresenceService focus
50% Application Testing50% Other -
$25,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
29.6/40.015.8/20 Reviews8.5/10 Clients & Experience5.3/10 Market PresenceService focus
10% Application Testing90% Other -
UndisclosedUndisclosed2 - 9Bollington, England
Ability to deliver
27.3/40.014.6/20 Reviews6.7/10 Clients & Experience6/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
25.7/40.016.4/20 Reviews4.4/10 Clients & Experience4.9/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$25 - $49 / hr50 - 249Sudbrooke, England
Ability to deliver
24.7/40.016.2/20 Reviews3.6/10 Clients & Experience4.9/10 Market PresenceService focus
15% Application Testing85% Other
UK Software Testing FAQs
Hiring a UK-based QA partner gives you onshore alignment with European and North American teams, strong English-language communication, and deep familiarity with local regulations and standards. Many UK firms field ISTQB-certified engineers and have hands-on experience with UK GDPR, FCA requirements for fintech, NHS clinical safety and data controls, and WCAG 2.2 accessibility under the Equality Act.
In addition, you’ll find robust expertise across modern tooling and CI/CD pipelines common in UK product orgs. For enterprises with offices in London or the Thames Valley — or startups clustered around the Oxford–Cambridge “Golden Triangle” — in-person workshops and joint UAT are easier to arrange.
Pricing varies thanks to various factors, including engagement model, seniority, and scope. Based on Clutch’s recent data, most UK-based software testing firms offer services ranging:
- Hourly rates: £40 – £120+ for functional, automation, performance, and security testing specialists
- Day rates (common in the UK): £350 – £800 per consultant
- Monthly retainers for managed QA: £5,000 – £25,000+, depending on team size, velocity, and SLAs
- Project-based work: £10,000 – £150,000+
Lastly, expect higher rates for niche skills, complex projects, or expertise in highly advanced technologies. Ask for a pilot or fixed-scope discovery to validate estimates before you commit.
UK-based software QA providers support a broad mix of regulated and high-scale sectors, including:
- Financial services and fintech — open banking, payments, PCI DSS, trading platforms
- Healthcare and life sciences — NHS integrations, clinical safety, UK GDPR
- E-commerce and retail — omnichannel flows, peak load readiness
- Government and public sector — GDS standards, accessibility (WCAG 2.2 AA)
- Media and telecom — streaming QoE, device compatibility
- Gaming and interactive entertainment — console, PC, mobile, and live-ops testing
- Travel and transportation — booking engines, fare/ticketing operations
- Manufacturing and IoT — firmware, edge connectivity, interoperability
Prepare a search strategy by outlining your project’s objectives, parameters, and requirements. Then, browse through Clutch and assess possible partners by:
- Certifications and compliance — look for ISTQB, ISO 27001, and Cyber Essentials. Additionally, ask about UK GDPR, FCA/NHS experience, and WCAG audits.
- Tooling and approach — verify expertise in Appium, API testing, and integration with your CI/CD.
- Test assets — request sample test plans, strategies, data management practices, and reporting dashboards.
- References and reviews — compare Clutch case studies, star ratings, and reviewer roles; favor providers with work similar to your stack and scale.
- Pilot first — run a 2–4 week proof of concept to evaluate velocity, defect quality, and communication.
- Guaranteed “100% test coverage” or “bug-free” claims — not realistic for modern systems.
- No access to artifacts; they’re unwilling to share test plans, cases, data strategies, or reports.
- Tool lock-in — proprietary frameworks without export paths, or refusal to use your CI/CD.
- Weak security and privacy posture. There is no clear approach to PII handling, data masking, or UK GDPR compliance.
- One-size-fits-all proposals; little discovery, no environment assessment, or no alignment to your release model.
- Poor communication skills; infrequent updates, unclear ownership, or missing SLAs.
- Ignoring accessibility or non-functional testing when your product needs them.
The United Kingdom has many experienced and trusted firms, so don’t worry about running out of options. Make sure to spot, address, and avoid these red flags early.