Top 100 Usability Testing Companies in London
The Best of December 2025Looking 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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211$25,000+10 - 49 employeesLondon, EnglandHatched London is an UX agency. Based in London, England, their small team focuses on UX/UI Design and Branding. The firm was launched in 2011.Read More
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DeBeers ForevermarkIndustries
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212$25,000+10 - 49 employeesLondon, UK, EnglandSolusent is a CRM consulting and SI company founded in 2020. Their team specializes in CRM consulting and SI and Mobile App Development.Read More
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213$25,000+10 - 49 employeesLondon, EnglandLaunched in 2015, The Gradient is an user experience design agency. They are in L'viv, Ukraine; London, England and Tallinn, Estonia and have a small team. The company provides UX/UI Design.Read More
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Lumiere Happy Companies Cashee (powered by Arab National Bank) SAB InvestIndustries
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214$1,000+10 - 49 employeesLondon, EnglandMobiteam UK is a web design company. The small London, England-based team specializes in Web Design and Web Development. The firm was established in 2022.Read More
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215$25,000+10 - 49 employeesWisley, EnglandSmall e-commerce development company Screen Pages, is headquartered in Wisley, England. Their services include E-Commerce Development and Custom Software Development.Read More
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216$10,000+50 - 249 employeesLondon, EnglandI-AM Associates is a London, England-based UX company. Established in 2007, the team provides UX/UI Design and Other Design.Read More
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217$1,000+10 - 49 employeesLondon, EnglandBased in London, England, UX Healthcare is a small UX design company. The team focuses on UX/UI Design.Read More
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218$5,000+10 - 49 employeesLondon, EnglandSquid40 is an UX agency. Their small team of employees is located in București, Romania and London, England. Their team offers UX/UI Design and Mobile App Development.Read More
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219$1,000+10 - 49 employeesLondon, EnglandLaunched in 2024, Hasty Head is a small user experience design agency. Their services include UX/UI Design, Web Design, Web Development, Low/No Code Development, and more. The firm is based in London, England.Read More
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220$10,000+50 - 249 employeesLondon, EnglandPhenomenon Studio is an UX design company. Their midsize team is in Dover, Delaware; Chicago, Illinois; New York, New York and Los Angeles, California. Their services include UX/UI Design, Web Development, Branding, Web Design, and more. The agency was established in 2019.Read More
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Airportr Nomupay One Text ShagaIndustries
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221$75,000+10 - 49 employeesLondon, EnglandPinpoint Designs, an e-commerce development firm, is headquartered in Leeds, England and Manchester, England. They provide E-Commerce Development and UX/UI Design and were established in 2010.Read More
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222$5,000+2 - 9 employeesLondon , EnglandUX company The UX Agency focuses on UX/UI Design and Digital Strategy. They are based in London , England.Read More
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223Undisclosed2 - 9 employeesLondon, EnglandCommon Works, a branding agency, was launched in 2014. They offers Branding and Web Design.Read More
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First Mile Mayku HubbubIndustries
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224$1,000+10 - 49 employeesLondon, EnglandLaunched in 2006, Design Direct UK, a small web development firm, is headquartered in London, England. Their services include Web Development and Mobile App Development.Read More
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225$25,000+50 - 249 employeesLondon, EnglandPocket App, a midsize mobile application development firm, is in London, England. The team offers Mobile App Development and UX/UI Design.Read More
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226$10,000+50 - 249 employeesLondon , EnglandStickyeyes is a midsize SEO company in Leeds, England and London , England. Their services include Search Engine Optimization and Content Marketing.Read More
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227$1,000+2 - 9 employeesLondon, EnglandIn London, England, MLC is a graphic design agency. Founded in 2017, the team focuses on Graphic Design and UX/UI Design.Read More
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228$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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229$5,000+2 - 9 employeesRedhill, EnglandMe&you creative, a branding agency, was launched in 2010. The small team offers Branding and Graphic Design.Read More
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230$5,000+2 - 9 employeesLondon, EnglandLocated in London, England, The Random Stuff is an user experience design company. They offer UX/UI Design and Mobile App Development.Read More
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Our Training DepartmentIndustries
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231$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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232Undisclosed250 - 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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233$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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234$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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235Undisclosed50 - 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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236$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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237$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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238$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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239$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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240$10,000+10 - 49 employeesBerlin, GermanyInnolab 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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