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
15 Leaders 15 Contenders
303 Companies
List of the Top United Kingdom QA Testers
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Featured
What are Featured Providers?
$25,000+$25 - $49 / hr1,000 - 9,999Serves United KingdomServices provided
20% AI Development20% Cloud Consulting & SI10% CRM Consulting and SI +5 services10% Custom Software Development10% E-Commerce Development10% ERP Consulting and SI10% Enterprise App Modernization10% Mobile App DevelopmentSee all 86 projectsSimform is a software development and testing company that offers services including Application Quality Assurance and QA Testing. Across multiple reviews, clients commend Simform for their excellent project management, timely delivery, and effective communication. Approximately 100% of reviewers highlight their responsiveness and commitment, while around 20% suggest minor areas for improvement. Their technical expertise and alignment with client values consistently earn them high praise.
Reviews mention Receptive
Clients consistently highlight Simform's receptiveness to feedback and flexibility throughout their projects. One client noted their team was 'always available, open to feedback,' and maintained effective communication via various tools. Another emphasized the smooth workflow established through regular updates and illustrated examples to overcome language barriers. Overall, the sentiment reflects a strong appreciation for Simform's collaborative approach and commitment to client satisfaction, despite minor challenges encountered during development.-
Mobile App Development for Boating Social Platform
5.0 Jul 26, 2018Overall, their team was flexible, receptive to feedback, and involved throughout our engagement. Plus, they are always available, open to feedback, and keep me in the loop about what’s going on, which is extremely useful.
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Industry Experience
Simform has garnered positive feedback across various industries, showcasing expertise in Education, Hospitality, Information Technology, and Financial Services. Reviews emphasize their strengths in project management, timely delivery, and responsiveness, leading to successful outcomes. Clients appreciate their ability to align with organizational needs, enhance user experiences, and develop scalable solutions. Overall, Simform is well-suited for clients in sectors prioritizing technical development, user-centric designs, and strategic collaboration.
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Utilities eCommerce Logistics & Supply Chain Wellness & Fitness Agriculture Media Consulting Human Resources Other industries Construction Legal Gaming Food & Beverages Other Industry Consumer Products Software Business services Arts, entertainment & music Education Real estate Nonprofit Financial services Fitness Information technology Hospitality & leisure Advertising & marketing IT Services HealthcareWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently praise Simform for their exceptional cost-effectiveness and value for money. Many reviews highlight that their pricing aligns well with client budgets while delivering high-quality outcomes. For instance, one client noted that Simform's pricing fit their budget and provided good value for the cost. Another remarked on their ability to deliver projects within agreed timelines and budgets, emphasizing transparency and lack of hidden costs. Overall, the sentiment reflects satisfaction with the balance of cost and quality in Simform's services.Was this helpful?
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$5,000+$25 - $49 / hr50 - 249Serves United KingdomServices provided
100% Application TestingSee 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.
Reviews mention Proactive
QualityLogic has received consistently positive feedback regarding their proactive approach. Clients highlighted their initiative in communication and problem-solving, with one reviewer noting their 'proactive communication style' and another praising their 'high-energy team' that 'asked probing questions and proactively communicated any obstacles.' Their ability to identify critical issues and suggest necessary actions, such as blocking releases for unresolved bugs, further illustrates their commitment to client success. Overall, the sentiment surrounding QualityLogic's proactivity is highly favorable.-
Manual QA Testing for Robotics Company
5.0 Sep 20, 2022I was most impressed by their proactive communication style, reflected in the precision of their test cases. QualityLogic consistently followed up with us and took the initiative to loop in our developers as they saw fit. When they identified particularly problematic issues, they’d advise us to block the next release, which was helpful.
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Testing Services for Critical Communication Application
5.0 Jun 23, 2017They’ve developed a keen understanding of our applications. They know how they work as well as we do, maybe even better than some people on our team because of their broad usage. They take ownership of what they do and are quite proactive.
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Quality Testing for Transportation App
5.0 Apr 3, 2019The high-energy team was engaged throughout the partnership. They asked probing questions and proactively communicated any obstacles or challenges. Constant engagement with QualityLogic keeps the partnership on track.
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QA Web Testing for Cancer Research Nonprofit
5.0 Jul 11, 2017They’re very proactive about communicating what they’re working on and their schedule estimation is always very accurate. They are very flexible in timelines and the testing, and they really understand digital work cycles. When we had delays or things that came up, the team was really professional and easy to work with.
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Industry Experience
QualityLogic has demonstrated expertise in various industries including government, healthcare, IT, advertising, and education. Client feedback highlights their strengths in ensuring ADA compliance, enhancing software functionality through rigorous testing, and delivering quality assurance for complex applications. Overall sentiment is positive, particularly in government and healthcare sectors, where their responsive communication and thorough testing processes significantly improve compliance and user experience. Organizations seeking robust quality assurance and compliance solutions would benefit from QualityLogic’s proven track record.
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Advertising & marketing Software Other Industry Arts, entertainment & music Consulting Transportation Information technology Legal Healthcare Education Media Financial services IT Services Government Business servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Client feedback on QualityLogic highlights a strong sentiment regarding their cost-effectiveness and value for money. Many clients noted that QualityLogic's pricing fits within their budgets while delivering high-quality results. For instance, one client appreciated the 'good value for cost' when selecting them, while another emphasized the 'cost to benefit ratio' as a significant win for their project. Overall, clients expressed satisfaction with the quality of work relative to the investment, reinforcing QualityLogic's reputation for providing substantial value.Was this helpful?
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$5,000+Undisclosed50 - 249Serves United KingdomServices provided
80% Application Testing10% Application Management & Support10% Other IT Consulting and SISee all 64 projectsBetterQA is a dedicated software testing company that offers services like App Testing, QA Testing, and Software Quality Assurance. Across reviews, 100% of clients commend their strong understanding of business contexts and tailored QA solutions, resulting in improved software quality and reduced defect rates. Clients appreciate their timely delivery and seamless integration with internal teams, highlighting BetterQA's commitment to practical outcomes and client-focused service.
Reviews mention Creative
Clients have expressed a positive sentiment regarding BetterQA's creative problem-solving capabilities. One client highlighted their 'ability to think outside the box on challenging issues,' indicating a strong aptitude for innovative solutions. Overall, the feedback reflects satisfaction with BetterQA's creative approach in addressing complex challenges, contributing to improved QA processes and efficient project outcomes.-
QA & Application Testing for Background Check Co
5.0 Jan 23, 2025The company exhibited a standout ability to think outside the box on challenging issues. This quality was particularly impressive and unique to them, showcasing their creative approach to problem-solving. The provider's innovative thinking consistently added value to the project.
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36 of 40 Application Testing reviews are 5 stars$10,000 – $49,000 avg. project costRead 40 ReviewsApplication Testing PROJECT HIGHLIGHT
QA/Software Testing for Security/Defense Consultancy
4.5 — BetterQA provided QA and software testing services for a security and defense consultancy. The team created a QA strategy and test cases, automated test scripts, and conducted performance and Read moreWas this helpful?
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View PackagesBetterQA Independent Testing Solutions
Independent testing that tells you what's actually broken, not what you want to hear. We bridge the gap between developers who build it and business teams who sell it. Bottom line: we make sure your releases work so you can sleep at night.Was this helpful?
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$1,000+< $25 / hrFreelancerLondon, England
Services provided
25% Application Testing25% Custom Software Development25% Graphic Design +1 service25% Web DevelopmentVitalflow Creative is a graphic design company founded in 2024. Their services include Graphic Design and Custom Software Development.
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$5,000+$25 - $49 / hr2 - 9Manchester, England
Services provided
10% Application Testing30% Mobile App Development25% UX/UI Design +3 services15% E-Commerce Development10% Low/No Code Development10% Web DesignTalmee Ltd, a mobile application development firm, is located in Manchester, England. Launched in 2020, the team offers Mobile App Development and UX/UI Design.
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Featured
What are Featured Providers?
Undisclosed$25 - $49 / hr10 - 49Serves United KingdomServices provided
100% Application TestingSee 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.
Reviews mention Accommodating
Clients have consistently praised QAlified for their accommodating nature, particularly in project management. One client noted their willingness to adjust priorities based on feedback, stating, "If we urged them to prioritize something different, they were more than willing to make modifications in the cycle." Overall, the sentiment reflects a strong appreciation for QAlified's flexibility and responsiveness, which contributed to a successful collaboration.-
Application Testing for Media Company
5.0 Aug 21, 2024I considered their product management to be quite good. They used to make goals for each cycle and share them with us to obtain input on what they planned to achieve in the following round. If we urged them to prioritize something different, they were more than willing to make modifications in the cycle.
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14 of 15 Application Testing reviews are 5 stars1 new review for Application Testing in past 6 months$50,000 – $199,999 avg. project costRead 15 ReviewsApplication Testing PROJECT HIGHLIGHT
App Testing for Content Creation Platform
5.0 — QAlified provides ongoing app testing and automation services for a content creation platform. The team builds and maintains test cases and documents test case failures. Read moreWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight QAlified's competitive pricing and excellent value for money. Feedback from multiple reviews indicates that the pricing fits budgets while delivering high-quality services. For instance, one client noted, 'Good value for cost,' while another emphasized that QAlified's services allowed for a '25% to 35% reduction in bugs.' Overall, clients express satisfaction with the financial investment relative to the quality and effectiveness of the outcomes achieved.Was this helpful?
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$1,000+< $25 / hr2 - 9Glengormley, Northern Ireland
Services provided
10% Application Testing30% Web Development25% AI Agents +3 services20% Mobile App Development10% Low/No Code Development5% E-Commerce DevelopmentAOS TECH is a website development firm. Their team is in Glengormley, Northern Ireland. The company focuses on Web Development and AI Agents.
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$5,000+$100 - $149 / hr10 - 49London, England
Services provided
10% Application Testing15% Web Development10% Application Management & Support +8 services10% Cloud Consulting & SI10% Custom Software Development10% Enterprise App Modernization10% IT Managed Services10% IT Strategy Consulting5% AI Development5% Mobile App Development5% Other Application DevelopmentKeypoint Solutions Ltd is a web development firm. The London, England-based company was established in 2021. Their team specializes in Web Development and IT strategy consulting.
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$10,000+$25 - $49 / hr10 - 49London, England
Services provided
10% Application Testing30% Custom Software Development15% Mobile App Development +5 services15% Web Development10% Application Management & Support10% E-Commerce Development5% AR/VR Development5% BlockchainArchnix Pvt Ltd is a software development firm launched in 2020. Based in London, England and Colombo, Sri Lanka, the team provides Custom Software Development and Web Development.
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$50,000+$25 - $49 / hr10 - 49London, England
Services provided
10% Application Testing10% BI & Big Data Consulting & SI10% Cloud Consulting & SI +7 services10% Custom Software Development10% DevOps Managed Services10% Enterprise App Modernization10% IT Staff Augmentation10% Mobile App Development10% Other Application Development10% Web DevelopmentMomin Solutions is a business intelligence company founded in 2010. The agency focuses on BI & big data consulting & SI and cloud consulting & SI, and is small.
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Undisclosed$25 - $49 / hr2 - 9Telford, England
Services provided
10% Application Testing15% AI Development15% API Development +7 services15% Low/No Code Development15% Web Development10% IT Strategy Consulting5% AI Consulting5% Call Center Services5% Computer Engineering5% Digital EngineeringArtificial intelligence development company Yedaiah specializes in Artificial Intelligence and Web Development. They were founded in 2015.
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$1,000+$25 - $49 / hr2 - 9Darlington, England
Services provided
15% Application Testing25% Mobile App Development15% Application Management & Support +4 services15% E-Commerce Development15% Low/No Code Development10% API Development5% Web DevelopmentDealFusion Tech Labs Ltd is a mobile app development company. They were established in 2025, and their services include Mobile App Development and E-Commerce Development.
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UndisclosedUndisclosed250 - 999London, England
Services provided
20% Application Testing20% AI Consulting20% BI & Big Data Consulting & SI +2 services20% Cloud Consulting & SI20% DevOps Managed ServicesSollers Consulting, a big data analytics company, offer BI & big data consulting & SI and cloud consulting & SI. They were founded in 2000.
Read moreSee All Locations (10)London, England
14 Cullum Street, EC3M 7J
London, England EC3M 7JJ2 - 5
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UndisclosedUndisclosed250 - 999City of London, England
Services provided
20% Application Testing10% Corporate Training & Coaching10% Custom Software Development +6 services10% Cybersecurity10% DevOps Managed Services10% Digital Engineering10% IT Managed Services10% Market Research10% Robotics Process AutomationSparta Global, an Application Testing company, was established in 2014. The midsize team specializes in Application Testing and Market Research.
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UndisclosedUndisclosed250 - 999City of London, England
Services provided
20% Application Testing20% Conversion Optimization20% IoT Development +3 services20% UX/UI Design10% AI Development10% Market ResearchConversion Optimization company Testbirds provides Conversion Optimization and UX/UI Design. They are headquartered in München, Germany and City of London, England.
Read moreSee All Locations (2)City of London, England
WeWork – 2 Minster Court
City of London, England EC3R 7BB2 - 5
+44 20 3318 0963
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Undisclosed$50 - $99 / hr2 - 9London, England
Services provided
10% Application Testing10% Branding10% Custom Software Development +7 services10% Graphic Design10% Mobile App Development10% Pay Per Click10% Search Engine Optimization10% Social Media Marketing10% UX/UI Design10% Web DevelopmentEstablished in 2018, TAILCO is a small branding firm. Their services include Branding and Social Media Marketing.
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$5,000+$50 - $99 / hr2 - 9London, England
Services provided
10% Application Testing10% Blockchain10% Custom Software Development +7 services10% Digital Strategy10% E-Commerce Development10% Graphic Design10% IT Staff Augmentation10% Product Design10% UX/UI Design10% Web DesignMoiotso Limited is a Digital Strategy company launched in 2017. Headquartered in London, England, the team specializes in Digital Strategy and Web Design.
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UndisclosedUndisclosed50 - 249Edinburgh , Scotland
Services provided
30% Application Testing40% Custom Software Development30% Application Management & SupportPetroleum Experts Ltd., a software development firm, was established in 1990. The team specializes in Custom Software Development and Application Management & Support and is in Edinburgh , Scotland.
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UndisclosedUndisclosed50 - 249Leeds , England
Services provided
30% Application Testing40% Custom Software Development30% IT Managed ServicesDTP Group is a Leeds , England-based software development firm. Established in 1987, the team provides Custom Software Development and IT managed services.
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UndisclosedUndisclosed50 - 249Belfast, Northern Ireland
Services provided
30% Application Testing40% Custom Software Development30% Cloud Consulting & SIFounded in 2004, Anaeko is a custom software development firm. The company offers Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed50 - 249London, England
Services provided
30% Application Testing40% Recruitment Process Outsourcing20% DevOps Managed Services +1 service10% RecruitingRecruitment Process Outsourcing company Strike IT Recruitment Services was launched in 2001. The team offers Recruitment Process Outsourcing and Application Testing.
Read moreSee All Locations (2)London, England
3rd Floor 86-90 Paul Street
London, England EC2A 4NE2 - 5
+44.0207.788.9299
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UndisclosedUndisclosed50 - 249Third Avenue Marlow, England
Services provided
30% Application Testing30% Enterprise App Modernization20% ERP Consulting and SI +2 services10% Cloud Consulting & SI10% DevOps Managed ServicesDeveloping World Systems Ltd, an Application Testing company, was founded in 1998. They specializes in Application Testing and Enterprise App Modernization.
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$1,000+$50 - $99 / hr50 - 249Ilford, England
Services provided
10% Application Testing30% Web Development25% Mobile App Development +2 services20% UX/UI Design15% Search Engine OptimizationTechsignx is a website development firm. Their midsize team is located in Ilford, England and specializes in Web Development and Mobile App Development. The firm was founded in 2022.
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$1,000+$100 - $149 / hrFreelancerTimperley, England
Services provided
10% Application Testing30% Web Development20% Search Engine Optimization +3 services20% UX/UI Design10% Low/No Code Development10% Web DesignMorgan Feeney is a web development company established in 2022. Their services include Web Development and Search Engine Optimization.
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$50,000+$50 - $99 / hr10 - 49Earley, England
Services provided
10% Application Testing20% Custom Software Development20% Enterprise App Modernization +4 services20% Web Development10% Application Management & Support10% BI & Big Data Consulting & SI10% Robotics Process AutomationLaunched in 2019, VA Software Solutions ltd is a custom software development company. Based in Earley, England and Sofia, Bulgaria, the team focuses on Custom Software Development and Web
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$10,000+$100 - $149 / hr10 - 49London, England
Services provided
10% Application Testing10% BI & Big Data Consulting & SI10% Cloud Consulting & SI +8 services10% Custom Software Development10% Cybersecurity10% IT Managed Services10% Mobile App Development10% UX/UI Design10% Web Development5% IT Strategy Consulting5% Web DesignTetra Technology, an user experience design agency, was launched in 2018. The agency specializes in UX/UI Design and BI & big data consulting & SI.
Read moreSee All Locations (2)London, England
69 Old Broad Street
London, England EC2M 1QS6 - 9
00 44 7397 009817
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$10,000+$50 - $99 / hr10 - 49London, England
Services provided
10% Application Testing15% AI Agents10% AI Consulting +7 services10% AI Development10% BI & Big Data Consulting & SI10% Blockchain10% Cloud Consulting & SI10% Custom Software Development10% Generative AI5% UX/UI DesignEstablished in 2024, Kogniser is an AI Agents company. Their team specializes in AI Agents and BI & big data consulting & SI.
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$25,000+$25 - $49 / hr10 - 49London, England
Services provided
10% Application Testing25% Custom Software Development20% Mobile App Development +3 services20% Web Development15% AR/VR Development10% API DevelopmentCustom software development firm Lumora focuses on Custom Software Development and Mobile App Development. They were launched in 2018.
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$50,000+$50 - $99 / hr2 - 9London, England
Services provided
10% Application Testing20% E-Commerce Development20% IT Strategy Consulting +3 services20% Mobile App Development20% Web Development10% Other Application DevelopmentStarling Web Engineering, an IT strategy consulting company, was founded in 2017. The small team focuses on IT strategy consulting and Web Development.
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$5,000+$25 - $49 / hr2 - 9Grangemouth, Scotland
Services provided
10% Application Testing15% Branding15% Product Design +5 services15% UX/UI Design15% Web Design10% Custom Software Development10% Mobile App Development10% Web DevelopmentBingo Agency is a branding agency established in 2023. In Grangemouth, Scotland and Ilford, England, the team specializes in Branding and Web Design.
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$1,000+$25 - $49 / hr2 - 9London, England
Services provided
10% Application Testing10% AI Development10% BI & Big Data Consulting & SI +7 services10% Custom Software Development10% IT Staff Augmentation10% Mobile App Development10% Search Engine Optimization10% UX/UI Design10% Web Design10% Web DevelopmentIn London, England, Qlikio is a SEO agency. Launched in 2023, the team focuses on Search Engine Optimization and Web Design.
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$5,000+$25 - $49 / hr2 - 9London, England
Services provided
10% Application Testing20% Custom Software Development20% Mobile App Development +4 services20% Web Development15% AI Development10% Application Management & Support5% UX/UI DesignEstablished in 2025, KINGDOMCORE TECHNOLOGIES LTD is a website development firm. The team offers Web Development and Mobile App Development.
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Undisclosed< $25 / hr2 - 9Orrell, England
Services provided
10% Application Testing20% Web Development15% AI Development +7 services15% Custom Software Development10% API Development10% Generative AI5% Application Management & Support5% DevOps Managed Services5% E-Commerce Development5% Robotics Process AutomationWebsite development company BitRyx Solutions focuses on Web Development and Artificial Intelligence. They are headquartered in Orrell, England.
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$1,000+$50 - $99 / hr2 - 9Leyland, England
Services provided
10% Application Testing10% AI Consulting10% AI Development +7 services10% Application Management & Support10% Architectural Design10% Custom Software Development10% Generative AI10% Mobile App Development10% Product Design10% UX/UI DesignAdvica AI Solutions UK is a small Leyland, England-based software development company. The team specializes in Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9London, England
Services provided
10% Application Testing45% Custom Software Development25% Web Development +1 service20% Mobile App DevelopmentSrivea Ltd is a London, England-based software development company. They focus on Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Liverpool, England
Services provided
30% Application Testing40% Staffing30% RecruitingAspion is a Staffing company. They were launched in 2004, and their services include Staffing and Application Testing.
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UndisclosedUndisclosed250 - 999London, England
Services provided
15% Application Testing30% Back Office Outsourcing15% Branding +3 services15% Content Marketing15% UX/UI Design10% FulfillmentDamco Solutions Limited, a Back Office Outsourcing company, focuses on Back Office Outsourcing and Branding. The agency is in London, England and Mechanicsburg, Pennsylvania.
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UndisclosedUndisclosed2 - 9Birmingham , England
Services provided
30% Application Testing40% E-Commerce Development30% Application Management & SupportL & G Technologies is an e-commerce development firm. They focus on E-Commerce Development and Application Management & Support and were launched in 2007.
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UndisclosedUndisclosed2 - 9Leeds , England
Services provided
30% Application Testing40% Custom Software Development30% Mobile App DevelopmentRedev Ltd is a custom software development company. They are located in Leeds , England. Their team focuses on Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Leeds , England
Services provided
30% Application Testing40% Custom Software Development30% Mobile App DevelopmentHeadquartered in Leeds , England, Seriously RAD Limited is a small software development firm. Their services include Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Leeds, England
Services provided
30% Application Testing40% Web Development30% Mobile App DevelopmentRecruit Genie Ltd is a website development firm based in Leeds, England. Launched in 2015, the team offers Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Worcestershire, England
Services provided
30% Application Testing30% Business Consulting20% Intellectual Property Law +1 service20% Product DesignFuture-Safe Consulting Ltd is an Application Testing company. They provide Application Testing and Business Consulting and were launched in 2020. The agency is in Worcestershire, England.
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UndisclosedUndisclosed2 - 9London, England
Services provided
30% Application Testing70% Search Engine OptimizationSmall SEO company SearchPilot, is headquartered in London, England. The team focuses on Search Engine Optimization and Application Testing.
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UndisclosedUndisclosed50 - 249Bramham, England
Services provided
20% Application Testing40% Custom Software Development20% UX/UI Design +1 service20% Web DesignEstablished in 2013, Interactive Digital Systems is a midsize custom software development company. Their services include Custom Software Development and UX/UI Design.
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UndisclosedUndisclosed50 - 249London, England
Services provided
20% Application Testing20% Cloud Consulting & SI20% Custom Software Development +3 services20% IT Managed Services10% Low/No Code Development10% Web DesignFormidable is an IT managed services company. They are headquartered in Seattle, Washington and London, England. Their team specializes in IT managed services and Custom Software Development.
Read moreSee All Locations (2)London, England
77 East Road
London, England N1 6AH6 - 9
+44.203.488.4958
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UndisclosedUndisclosed50 - 249Chester, England
Services provided
20% Application Testing20% BI & Big Data Consulting & SI20% Custom Software Development +3 services20% UX/UI Design10% Recruiting10% Web DevelopmentSearchability is an user experience company. The Chester, England-based agency was launched in 2012. Their services include UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed1,000 - 9,999London, England
Services provided
10% Application Testing10% AI Development10% Application Management & Support +7 services10% Call Center Services10% Cloud Consulting & SI10% Computer Engineering10% IT Managed Services10% IT Strategy Consulting10% Robotics Process Automation10% UX/UI DesignGenisys Group is an user experience company. Based in London, England and Bengaluru, India, the company offers UX/UI Design and IT strategy consulting.
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UndisclosedUndisclosed50 - 249London, England
Services provided
20% Application Testing20% Architectural Design20% Custom Software Development +4 services10% API Development10% Business Continuity Management10% IT Managed Services10% IT Strategy ConsultingLaunched in 2013, KWA Analytics is a midsize Architectural Design company. Their services include Architectural Design and Custom Software Development.
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UndisclosedUndisclosed1,000 - 9,999London, England
Services provided
10% Application Testing10% API Development10% Cloud Consulting & SI +7 services10% Computer Engineering10% Custom Software Development10% DevOps Managed Services10% Generative AI10% Mobile App Development10% Product Design10% UX/UI DesignLocated in London, England, AND Digital is an user experience company. They specialize in UX/UI Design and Product Design.
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UndisclosedUndisclosed50 - 249Aylesbury, England
Services provided
20% Application Testing50% Cybersecurity30% IT Managed ServicesRed Helix is a Cybersecurity company. The firm is in Aylesbury, England. Their services include Cybersecurity and IT managed services.
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UndisclosedUndisclosed50 - 249Westminster, London, England
Services provided
20% Application Testing20% Graphic Design20% UX/UI Design +2 services20% Video Production20% Web DevelopmentEstablished in 2022, Canvas Reply is an user experience company. The midsize team specializes in UX/UI Design and Graphic Design.
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UndisclosedUndisclosed50 - 249London, England
Services provided
20% Application Testing20% BI & Big Data Consulting & SI20% Cybersecurity +2 services20% ERP Consulting and SI20% IT Staff AugmentationDATAMTX LLC, a business intelligence company, was launched in 1993. The midsize team specializes in BI & big data consulting & SI and ERP consulting and SI.
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UndisclosedUndisclosed50 - 249Reading, England
Services provided
20% Application Testing40% Cybersecurity20% BI & Big Data Consulting & SI +1 service20% IT Managed ServicesSureCloud is a Cybersecurity company. The team specializes in Cybersecurity and BI & big data consulting & SI, and the agency is in Reading, England and City of London, England.
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UndisclosedUndisclosed50 - 249London, England
Services provided
20% Application Testing20% Cloud Consulting & SI20% IT Managed Services +2 services20% IT Strategy Consulting20% IoT DevelopmentIT strategy consulting company The Open Geospatial Consortium (OGC) is in Arlington, Virginia and London, England. They offer IT strategy consulting and cloud consulting & SI.
Read moreSee All Locations (2)London, England
6th Floor 9 Appold Street
London, England EC2A 2AP2 - 5
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A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.
By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More
Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
- Work experience and previous projects
- Market presence and reputation in the industry
List of the Top 15 United Kingdom QA Testers
-
$5,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
38.2/40.018.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
34.2/40.019/20 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 -
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
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$1,000+Undisclosed10 - 49London, England
Ability to deliver
31.3/40.018/20 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
32.8/40.016.4/20 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
21.3/40.016.4/20 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 -
$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 -
$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 -
$10,000+$25 - $49 / hr2 - 9London, England
Ability to deliver
26.2/40.016.2/20 Reviews4.9/10 Clients & Experience5.2/10 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.
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