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?
$25,000+$25 - $49 / hr1,000 - 9,999Serves United KingdomServices provided
See all 88 projectsSimform is a versatile technology company offering comprehensive services, including application testing, software development, and quality assurance. They are noted for their exceptional project management and responsiveness, consistently delivering high-quality results on time. Approximately 100% of the reviews highlight their strong communication and commitment to client success, with impressive flexibility and technical expertise frequently mentioned.
$5,000+$25 - $49 / hr50 - 249Serves United KingdomServices provided
See all 32 projectsQualityLogic is a reputable company specializing in Software Quality Assurance and Testing Services, including App Testing and QA Testing. According to client reviews, QualityLogic is praised for their excellent communication and detailed documentation, with approximately 90% of responses highlighting their professional project management and adherence to budget. Clients frequently commend their flexibility and the successful implementation of testing protocols, underscoring QualityLogic's ability to enhance software quality and mitigate risks effectively.
$5,000+$25 - $49 / hr50 - 249Serves United KingdomServices provided
See all 25 projectsTestFort QA Lab is a specialized Software Quality Assurance company known for its comprehensive App and Software Testing services. Across reviews, 100% of clients commend its ability to enhance test coverage and reliability, highlighting a consistent improvement in platform stability and issue reduction, such as a 40% average decrease in post-release defects. Their adaptable QA processes and integration into client workflows have been particularly lauded.
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UndisclosedUndisclosed1,000 - 9,999London, England
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Launched in 1997, Qualitest Group is a large Santa Clara, California-based Application Testing company. Their team offers Application Testing.
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$5,000+Undisclosed10 - 49London, England
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See all 1 projectsThe ASO.co is an app store optimization agency that specializes in enhancing app visibility and performance on platforms like the App Store and Google Play. The company received highly positive feedback, with clients reporting increased downloads and reduced ad spend by 60-70%. Their expertise in keyword strategies and A/B testing is frequently commended, with no identified areas for improvement reported by clients.
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Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249Serves United KingdomServices provided
See all 71 projectsBetterQA is a specialized company in software quality assurance, offering comprehensive testing services like QA Testing, Software Testing, and Application Quality Assurance. Reviews highlight their attention to detail and commitment to project success, with 90% of clients praising their professional project management, responsiveness, and ability to identify and resolve critical issues efficiently. Clients also value their flexibility, with 70% noting their adaptability to changing requirements.
Undisclosed$25 - $49 / hr10 - 49Serves United KingdomServices provided
See all 21 projectsQAlified is a distinguished software testing company specializing in Application Quality Assurance, Software QA, and Testing Services. With 100% positive feedback across reviews, clients commend their reliability, precision, and effective project management. Notably, 85% of reviewers highlight their excellent communication and adaptability, while 70% appreciate the alignment with company values and culture.
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$10,000+$150 - $199 / hr10 - 49Oadby, England
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See all 1 projectsXibis is a web development company specializing in app and website creation with a strong focus on security. They have received highly positive feedback, with 100% of reviewers expressing satisfaction with their services, highlighting their helpfulness, efficiency, and proactive approach. Their work on the Good Garage Scheme app garnered recognition, being voted among the top 500 apps by the Sunday Times.
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$10,000+$100 - $149 / hr2 - 9Sutton, England
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See all 1 projectsIntuitech Technology Ltd is a software development company specializing in transforming e-commerce platforms through advanced frontend and backend solutions. With a strong focus on agile processes and communication, they have achieved a high satisfaction rate, receiving positive feedback for their technical prowess and project management skills. Approximately 80% of reviewers praised their agile management and technical capabilities, although some noted room for improvement in communication during team meetings.
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$1,000+$25 - $49 / hr10 - 49Wembley, England
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See all 3 projectsUltralink IT Solutions LLP is a versatile IT services company specializing in website UX reviews and digital warehouse management systems. They are consistently praised for their quick, efficient work and excellent project management, with 100% of reviewers noting their friendly and communicative team. Clients appreciate their ability to deliver tailored solutions on time and at a competitive cost.
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$5,000+$50 - $99 / hr2 - 9Lytchett Matravers, England
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See all 3 projectsNovatura is a digital solutions company specializing in website redesign, database creation, and event management systems. With a perfect track record of delivering projects on time, 100% of reviewers praise their innovative approach, professionalism, and exceptional communication. Clients emphasize their strong alignment with company values and cost-effectiveness, with no reported areas for improvement.
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$10,000+$25 - $49 / hr50 - 249Worcester, England
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See all 5 projectsSaratoga is a software development company providing services such as C#, .NET, and React.js development, as well as UI/UX design and business intelligence solutions. Reviews indicate a high level of satisfaction with their project management and ability to meet deadlines, with no negative feedback reported. Approximately 40% of reviewers highlight their seamless integration as an extension of client teams and their proactive approach.
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UndisclosedUndisclosed1,000 - 9,999London, England
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See all 3 projectsValueLabs is a comprehensive back office service provider offering technology, legal, medical, and processing services. The feedback highlights their strengths in delivering high-quality work, improving operational efficiency, and enabling company growth. Approximately 90% of the reviewers commend ValueLabs' ability to enhance their business objectives, while only 10% mention areas for improvement, indicating a largely positive experience overall.
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UndisclosedUndisclosed1,000 - 9,999Reading, England
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Planit Testing is an Application Testing company. They were established in 1997, and their services include Application Testing and IT strategy consulting.
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UndisclosedUndisclosed250 - 999London, England
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Application Testing company Inspired Testing offers Application Testing and IT managed services. They were established in 2018.
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$10,000+$50 - $99 / hr50 - 249Wokingham, England
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Nextgen Technology, a midsize Application Testing company, is based in Wokingham, England and Itasca, Illinois. The team specializes in Application Testing.
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$5,000+< $25 / hr10 - 49London, England
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Launched in 2013, TAREENITY FZE LLC is an Application Testing company. Their team provides Application Testing and Application Management & Support.
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$5,000+Undisclosed2 - 9London, England
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Mtest Labs is an Application Testing company. They were launched in 2011, and their services include Application Testing.
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$1,000+< $25 / hr10 - 49Ilford, England
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Ascentiq solutions limited is an Ilford, England-based Application Testing company. They provide Application Testing.
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UndisclosedUndisclosed10,000+London, England
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Headquartered in Carmanhall And Leopardstown, Ireland and Burbank, California, Keywords Studios is a large video production agency. The team provides Video Production and Mobile App Development.
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$10,000+$25 - $49 / hr50 - 249London, England
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Established in 2016, ClicQA is a midsize Application Testing company. Their services include Application Testing.
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$5,000+$50 - $99 / hr1,000 - 9,999London, England
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TestingXperts is an Application Testing company. The Mechanicsburg, Pennsylvania-based company was launched in 2002. Their services include Application Testing.
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$250,000+$100 - $149 / hr1,000 - 9,999London, England
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Infostretch is a large Application Testing company headquartered in Santa Clara, California and New York, New York. Their services include Application Testing and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Cardiff, Wales
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TiQtoQ Ltd, an Application Testing company, was founded in 2016. In Cardiff, Wales, the team specializes in Application Testing and IT managed services.
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UndisclosedUndisclosed250 - 999Bellshill , Scotland
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Edge Testing Solutions is a midsize Bellshill , Scotland-based IT strategy consulting and Application Testing company. Their services include IT strategy consulting and Application Testing.
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$10,000+$300+ / hr50 - 249London, England
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SafeSync Security is an Application Testing company. They are located in London, England and have midsize team. Their team provides Application Testing.
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UndisclosedUndisclosed50 - 249Basildon, England
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Testing Minds is an Application Testing company launched in 2018. The company provides Application Testing.
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$10,000+$50 - $99 / hr2 - 9London, England
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IQspeaks L is an Application Testing company. Launched in 2015, the company is based in London, England. Their team specializes in Application Testing.
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$5,000+$100 - $149 / hr10 - 49BOLTON, England
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NovaQA LTD is a small Application Testing company headquartered in BOLTON, England. Their services include Application Testing.
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$1,000+$25 - $49 / hr2 - 9Manchester, England
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IntegraQA, a small Application Testing company, is located in Manchester, England. The team specializes in Application Testing.
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$50,000+$50 - $99 / hr50 - 249London, England
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Globalbit, a software development firm, is in Rehovot, Israel and London, England. They offer Custom Software Development and Artificial Intelligence and were launched in 2010.
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UndisclosedUndisclosed10 - 49London, England
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360logica Software Testing Services is a Noida, India-based Application Testing company. The team provides Application Testing and Custom Software Development.
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Undisclosed< $25 / hr2 - 9London, England
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Tatylab Solutions is an Application Testing company. Their team is in London, England and Dhaka, Bangladesh. The company specializes in Application Testing and IT managed services.
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UndisclosedUndisclosed2 - 9Lowton, England
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See all 2 projectsNGS TECHNOLOGIES LTD specializes in App Testing, QA Testing, and Software Testing services. The reviews highlight their effective communication, alignment with client values, and ability to deliver high-quality testing solutions within budget. Clients praise their professional approach and technical expertise, noting improvements in product quality and reliability. Overall, NGS TECHNOLOGIES LTD is recognized for its commitment to enhancing testing strategies and fostering strong client relationships.
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$25,000+$100 - $149 / hr50 - 249Horbury, England
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Application Management & Support company Propel Tech Ltd was launched in 2007. The agency offers Application Management & Support and Custom Software Development.
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$250,000+Undisclosed10,000+Caldecotte, England
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Cloud consulting & SI company ITC Infotech focuses on cloud consulting & SI and ERP consulting and SI. They were launched in 2000.
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UndisclosedUndisclosed10 - 49Leeds, England
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Small Application Testing company RapidSpike, is located in Leeds, England. Their services include Application Testing and Cybersecurity.
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$5,000+$25 - $49 / hr250 - 999London, England
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Flyant is a custom software development firm established in 2010. The firm focuses on Custom Software Development and Application Testing.
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$1,000+< $25 / hr2 - 9London , England
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Launched in 2011, VenturaQA Solutions is a small Application Testing company based in London , England and Hyderabad, India. Their team focuses on Application Testing and IT strategy consulting.
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$5,000+< $25 / hr250 - 999London, England
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See all 9 projectsBuilder.ai is a software development company that claims to provide app development services using AI-driven processes. However, reviews indicate a 100% negative feedback rate, highlighting issues with project management, lack of responsiveness, and failure to deliver usable products. Customers report financial losses and significant business disruptions, with no evidence of Software Quality Assurance or AI integration in their services.
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$1,000+$50 - $99 / hr10 - 49London, England
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Aqua Digital s.r.o., a branding company, was launched in 2012. The firm focuses on Branding and Social Media Marketing, and is small.
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$1,000+$100 - $149 / hr2 - 9Altrincham, England
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Cyphere is a small Application Testing company. Launched in 2020, the team focuses on Application Testing and Cybersecurity.
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$5,000+$25 - $49 / hr2 - 9London, England
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RedQA is an Application Testing company. Based in London, England and New York, New York, the agency was founded in 2023. Their team specializes in Application Testing and Computer Engineering.
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UndisclosedUndisclosedFreelancerSlough, England
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Pat Walsh IT Services, a small Application Testing company, is headquartered in Slough, England. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Bristol, England
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Moropo QA, an Application Testing company, was founded in 2022. The team provides Application Testing.
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UndisclosedUndisclosed50 - 249Nether Poppleton, England
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Established in 2002, Acutest (Part of Trustmarque) is a midsize Nether Poppleton, England-based Application Testing company. Their team specializes in Application Testing and UX/UI Design.
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UndisclosedUndisclosed50 - 249Edinburgh, Scotland
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2i Testing is a midsize Edinburgh, Scotland-based Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed250 - 999Birmingham, England
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Resillion, an Application Testing company, was launched in 2022. The midsize team focuses on Application Testing and Computer Engineering.
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UndisclosedUndisclosed1,000 - 9,999London, England
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Tricentis is an Application Testing company headquartered in Austin, Texas and Wien, Austria. They specialize in Application Testing and cloud consulting & SI and were founded in 2007.
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UndisclosedUndisclosed250 - 999London, England
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Located in North Sydney, Australia and London, England, iLAB is an Application Testing company. They offer Application Testing.
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UndisclosedUndisclosed50 - 249London, England
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Launched in 2009, BEE Incorporations is a midsize Application Testing company based in Milano, Italy and London, England. Their team offers Application Testing.
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UndisclosedUndisclosed10 - 49London, England
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FGB studio, an Application Testing company, is based in Milan, Italy and London, England. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249London, England
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Juriba is a midsize Application Testing company launched in 2008. Their services include Application Testing.
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UndisclosedUndisclosed250 - 999London, England
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Application Testing company Silver Touch Technologies UK LTD is located in London, England. The team offers Application Testing.
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UndisclosedUndisclosed10 - 49London, England
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Established in 2016, Pentiq is a small London, England-based Application Testing company. Their team focuses on 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
34.8/40.019.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
100% Application Testing -
$10,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
31/40.019.2/20 Reviews6.7/10 Clients & Experience5.2/10 Market PresenceService focus
80% Application Testing20% Other -
$5,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
31/40.018.6/20 Reviews8.1/10 Clients & Experience4.3/10 Market PresenceService focus
100% Application Testing -
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 -
$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 -
$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
32.6/40.016.2/20 Reviews8.4/10 Clients & Experience8/10 Market PresenceService focus
30% Application Testing70% Other -
$50,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
32.2/40.015.6/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
15% Application Testing85% Other -
$5,000+Undisclosed1,000 - 9,999London, England
Ability to deliver
28.6/40.017.4/20 Reviews7.2/10 Clients & Experience4/10 Market PresenceService focus
20% Application Testing80% Other -
$5,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
34.6/40.018/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
10% Application Testing90% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
21.3/40.016.4/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
50% Application Testing50% Other -
Undisclosed$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
26.9/40.014/20 Reviews8.5/10 Clients & Experience4.5/10 Market PresenceService focus
20% Application Testing80% 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 -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.5/40.016.2/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
10% Application Testing90% 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 -
$1,000+$100 - $149 / hr50 - 249Rochdale, England
Ability to deliver
30.2/40.020/20 Reviews4.4/10 Clients & Experience5.8/10 Market PresenceService focus
20% Application Testing80% Other -
$50,000+$50 - $99 / hr250 - 999Farnborough, England
Ability to deliver
31/40.015.6/20 Reviews10/10 Clients & Experience5.4/10 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 -
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 / hr50 - 249Calcot, England
Ability to deliver
30.5/40.017/20 Reviews6.4/10 Clients & Experience7.2/10 Market PresenceService focus
10% Application Testing90% 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+$50 - $99 / hr10 - 49Farnham, England
Ability to deliver
29.8/40.016.2/20 Reviews9.6/10 Clients & Experience4/10 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
28.3/40.015.8/20 Reviews8.5/10 Clients & Experience4/10 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
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.