Top 100 Usability Testing Companies in London
The Best of August 2026Looking for a top usability testing agency in London?
Usability testing helps companies vet if a product is worth investing time and resources in building. It also helps improve existing products by accounting for user feedback and pain points in design and functionality updates.
For example, let's say you're looking at Analytics and notice visitors to your website often visit one page only. You may hypothesize that your navigation is not user friendly. You could design and develop an updated navigation, or you could hold user tests to vet your hypothesis and get suggestions for navigation features your users need.
User testing may seem time consuming up-front, but it ultimately saves time and money later. For expert assistance, consider hiring a usability testing company. Usability testing services define test scenarios, identify test subjects, conduct the tests, and compile feedback for you.
To assist you in your search for a partner, we’ve compiled this list of the top usability testing companies in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Usability Testing Services
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241$25,000+2 - 9 employeesLondon, EnglandRead More
Super User Studio is a design consultancy headquartered in London, with an office in Bath, United Kingdom. Since 2008, their small team of 9 has been specializing in UX/UI design for mainly enterprise-level clients. They primarily serve clients in the business services and financial services industries.
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AMT Sybex (Capita)Industries
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242Undisclosed250 - 999 employeesLondon, EnglandZemoso Technologies is a Farmers Branch, Texas-based software development firm. The team specializes in Custom Software Development and Enterprise App Modernization.Read More
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243$1,000+10 - 49 employeesLondon, EnglandCustomer Insight is a London, England-based UX company. They provide UX/UI Design.Read More
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244$25,000+2 - 9 employeesLondon, EnglandLaunched in 2019, Yaya is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Product Design.Read More
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245$10,000+10 - 49 employeesLondon, EnglandFounded in 1998, Mentor Digital is a small web development firm. Their team specializes in Web Development, Web Design, Branding, Search Engine Optimization, and more. The company is based in Bristol, England and London, England.Read More
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Tree AidIndustries
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246Undisclosed250 - 999 employeesLondon, EnglandTryzens Global is a Market Research company founded in 2004. Their services include Market Research and Digital Strategy.Read More
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247Undisclosed50 - 249 employeesLondon, EnglandImmersion Group is a midsize Johannesburg, South Africa-based user experience agency. Their services include UX/UI Design and Product Design.Read More
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248$25,000+10 - 49 employeesLondon, EnglandSmall e-commerce development firm Konstructive, is in London, England. Their services include E-Commerce Development and Web Development.Read More
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249$5,000+50 - 249 employeesLondon, EnglandTwoFiftyFive by LGG is an UX design agency in London, England and Madrid, Spain. They focus on UX/UI Design and Product Design and were established in 2017.Read More
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Mastercard Nintendo Bentley Quercus -
250$5,000+2 - 9 employeesLondon, EnglandLocated in London, England, LOOT Studio is a web design agency. They provide Web Design and UX/UI Design and were founded in 2012.Read More
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251$1,000+10 - 49 employeesFitzrovia, London, EnglandWeb development firm OWA Digital is based in Oxford, England and Fitzrovia, London, England. Their services include Web Development and Mobile App Development.Read More
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252$5,000+2 - 9 employeesLondon, EnglandHAUS OF EL is an UX design agency. Based in London, England, the firm was founded in 2022. Their services include UX/UI Design and Branding.Read More
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253$10,000+10 - 49 employeesLondon, EnglandInnolab AI is a small artificial intelligence firm. The Columbus, Ohio-based firm was launched in 2020. Their services include Artificial Intelligence, UX/UI Design, Web Development, Mobile App Development, and more.Read More
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Buddy Lee Jump RopeIndustries
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254$250,000+50 - 249 employeesLondon, EnglandFounded in 2019, ParsBiz is an advertising company. Their midsize team is in Santa Monica, California; Paris, France; München, Germany and Madrid, Spain. Their team provides advertising, branding, social media marketing, content marketing, and more.Read More
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255$1,000+2 - 9 employeesLondon, EnglandFounded in 2006, Different Projects Ltd. Is a small UX agency located in London, England. Their team offers UX/UI Design and Digital Strategy.Read More
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256$1,000+2 - 9 employeesLondon, EnglandIn London, England, Particular Agency is an user experience design agency. Established in 2022, the team focuses on UX/UI Design and Branding.Read More
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Rushmoor Knights AcademyIndustries
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257$50,000+10 - 49 employeesLondon, EnglandBlank Space is an user experience company. The small Mississauga, Canada-based agency was founded in 2014. Their team offers UX/UI Design, Mobile App Development, Low/No Code Development, Custom Software Development, and more.Read More
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Dunkin'Industries
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258$1,000+10 - 49 employeesLondon, EnglandAddmustard, a small branding company, is located in Brighton and Hove, England and London, England. The team specializes in Branding and UX/UI Design.Read More
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259$5,000+10 - 49 employeesLondon, EnglandBold Insight is an UX design agency. Their small team of employees is headquartered in London, England and Downers Grove, Illinois. Their team provides UX/UI Design.Read More
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260Undisclosed50 - 249 employeesLondon, EnglandUser experience company Canvendor is based in Dublin, California and Chennai, India. The team provides UX/UI Design and IT strategy consulting.Read More
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261$1,000+2 - 9 employeesLondon, EnglandBxoft is a web development firm. The London, England-based firm was launched in 2019. Their team specializes in Web Development and Web Design.Read More
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STCIndustries
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262$10,000+10 - 49 employeesLondon, EnglandRetailogy, an e-commerce development firm, is located in London, England. The team provides E-Commerce Development and Web Development.Read More
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263$10,000+2 - 9 employeesLondon, EnglandFounded in 2004, Thinkpublic is an user experience design company. Based in London, England, the team provides UX/UI Design and Web Design.Read More
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264$75,000+250 - 999 employeesLondon, EnglandAW Solutions is a branding firm. The New York, New York-based company was founded in 2011. Their team offers Branding and Email Marketing.Read More
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265$25,000+50 - 249 employeesLondon , EnglandBranding company VIVALDI_ is based in New York, New York and London , England. The team offers Branding and Marketing Strategy.Read More
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266$100,000+50 - 249 employeesLondon, EnglandTom&Co. Is a web design agency launched in 2010. The midsize team offers Web Design and UX/UI Design.Read More
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267$25,000+10 - 49 employeesLondon, EnglandUser experience design agency 100 Shapes focuses on UX/UI Design and Custom Software Development. They were founded in 2011.Read More
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268$5,000+2 - 9 employeesLondon, EnglandDesign Broker, a branding firm, was launched in 2024. They are in London, England and have a small team. Design Broker provides Branding, UX/UI Design, Web Design, and Social Media Marketing.Read More
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269$25,000+50 - 249 employeesLondon, EnglandRead More
Box UK is an enterprise software development company based in Cardiff, UK, with an office in London. The company, founded in 1998, has more than 50 employees who provide, among others, custom software development, web development, and enterprise app modernization services to various businesses.
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OKdo.comIndustries
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270$5,000+10 - 49 employeesLondon, EnglandFZHP Global Vision is a mobile & app marketing company. The small team is in London, United Kingdom; 5900 Balcones, Austin, TX, USA., and Niagara Falls, Canada. Their services include mobile & app marketing, social media marketing, search engine optimization, other digital marketing, and more.Read More
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