Top 100 Software Testing Companies in the United Kingdom
The Best of April 2026Looking for a top software QA company in the United Kingdom?
Hiring a software testing company is a necessity to both test and improve the services your company offers, especially in an increasingly digital world.
To assist you in your search for a partner, we’ve compiled this list of the top software testing companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Software QA Companies
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$5,000+50 - 249 employeesSeattle, WARead More
QA Wolf, an application testing company, was launched in 2019. The company provides application testing and has a small team.
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241Undisclosed50 - 249 employeesLondon, EnglandFormidable 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 More
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242Undisclosed50 - 249 employeesChester, EnglandSearchability 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.Read More
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243Undisclosed1,000 - 9,999 employeesLondon, EnglandGenisys Group is an user experience company. Based in London, England and Bengaluru, India, the company offers UX/UI Design and IT strategy consulting.Read More
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244Undisclosed50 - 249 employeesLondon, EnglandLaunched in 2013, KWA Analytics is a midsize Architectural Design company. Their services include Architectural Design and Custom Software Development.Read More
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245Undisclosed1,000 - 9,999 employeesLondon, EnglandLocated in London, England, AND Digital is an user experience company. They specialize in UX/UI Design and Product Design.Read More
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246Undisclosed50 - 249 employeesAylesbury, EnglandRed Helix is a Cybersecurity company. The firm is in Aylesbury, England. Their services include Cybersecurity and IT managed services.Read More
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247Undisclosed50 - 249 employeesWestminster, London, EnglandEstablished in 2022, Canvas Reply is an user experience company. The midsize team specializes in UX/UI Design and Graphic Design.Read More
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248Undisclosed50 - 249 employeesLondon, EnglandDATAMTX LLC, a business intelligence company, was launched in 1993. The midsize team specializes in BI & big data consulting & SI and ERP consulting and SI.Read More
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249Undisclosed50 - 249 employeesReading, EnglandSureCloud 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.Read More
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250Undisclosed50 - 249 employeesLondon, EnglandIT 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 More
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251Undisclosed50 - 249 employeesHarrow on the Hill, EnglandUX company Ab Ovo, Inc. Was founded in 2006. The agency offers UX/UI Design and BI & big data consulting & SI.Read More
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252Undisclosed50 - 249 employeesLondon, EnglandLaunched in 2005, Excelencia is a cloud consulting & SI company. Located in London, England and Austin, Texas, the team provides cloud consulting & SI and ERP consulting and SI.Read More
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253Undisclosed2 - 9 employeesGlasgow , ScotlandBusiness Consulting company Sheeran IT Services was founded in 2003. The company provides Business Consulting and Application Testing, and is small.Read More
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254Undisclosed2 - 9 employeesLeeds, EnglandLocated in Leeds, England, Compliance Studio Ltd is a small mobile application development firm. The team focuses on Mobile App Development and Social Media Marketing.Read More
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255Undisclosed2 - 9 employeesLondon, EnglandSEO agency PGWD Ltd. Website Design specializes in Search Engine Optimization and Web Design. They were established in 2018.Read More
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256Undisclosed2 - 9 employeesBristol, EnglandBased in Bristol, England, Red Goat is a Cybersecurity company. Their services include Cybersecurity and Application Testing.Read More
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257Undisclosed10 - 49 employeesLondon, EnglandSerrula Research Ltd is a small Market Research company based in London, England. The team focuses on Market Research and Product Design.Read More
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258Undisclosed10 - 49 employeesEdinburgh , ScotlandCivic UK is an user experience company. They are located in Edinburgh , Scotland and have small team of experts. Their services include UX/UI Design and Branding.Read More
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259Undisclosed10 - 49 employeesBelfast, Northern IrelandYarra Software, a small business intelligence company, is headquartered in Belfast, Northern Ireland. The team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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260Undisclosed10 - 49 employeesHertfordshire, England, EnglandIOCO UK | iOCO Solutions Limited is a big data company founded in 2008. Located in Hertfordshire, England, England, the team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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261Undisclosed10 - 49 employeesMuch Dewchurch, EnglandLocated in Much Dewchurch, England, Hamiltonian Dynamics is a Cybersecurity company. Founded in 2020, the team provides Cybersecurity and Application Testing.Read More
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262Undisclosed10 - 49 employeesLondon, EnglandEnterprise App Modernization company Camwood Ltd. Offers Enterprise App Modernization and cloud consulting & SI. They are headquartered in London, England.Read More
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263Undisclosed10 - 49 employeesCity of London, EnglandJackson Swiss Partners is a City of London, England-based big data analytics company. They specialize in BI & big data consulting & SI and Application Testing and were founded in 2018.Read More
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264Undisclosed10 - 49 employeesCity of London, EnglandHeadquartered in City of London, England and Dehradun, India, RedHunt Labs is a small Cybersecurity company. Their services include Cybersecurity and BI & big data consulting & SI.Read More
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265Undisclosed10 - 49 employeesBirmingham, EnglandOmniCyber Security is a Cybersecurity company founded in 2015. Their team offers Cybersecurity and IT managed services.Read More
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266Undisclosed250 - 999 employeesCity of London, EnglandInnoWave is a Cybersecurity company launched in 2008. Their team focuses on Cybersecurity and UX/UI Design.Read More
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267Undisclosed250 - 999 employeesCity of London, EnglandIdeyaLabs is an Advertising company launched in 2019. Their team offers Advertising and UX/UI Design.Read More
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268Undisclosed250 - 999 employeesLondon, EnglandAlcor Solutions, Inc., an IT strategy consulting company, was established in 2008. The midsize team offers IT strategy consulting and cloud consulting & SI.Read More
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269Undisclosed250 - 999 employeesLondon, EnglandInsead Tech is a midsize e-commerce development company based in London, England. The team focuses on E-Commerce Development and ERP consulting and SI.Read More
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270Undisclosed50 - 249 employeesManchester, EnglandSmashCloud is an user experience company. Their midsize team of employees is located in Toronto, Canada and Lahore, Pakistan. Their team offers UX/UI Design and Custom Software Development.Read More
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