Top 100 Usability Testing Companies in the United Kingdom
The Best of October 2026Looking for a top usability testing agency in the United Kingdom?
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 United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Usability Testing Services
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1$10,000+50 - 249 employeesLondon, EnglandQubstudio is a midsize user experience company. Established in 2006, the agency is located in L'viv, Ukraine and London, England. Their team offers UX/UI Design.Read More
Clients
Bank ABC (Bahrain) Oracle (Germany) Gulf Bank (Kuwait) Benefit (Bahrain)Industries
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2$1,000+10 - 49 employeesLondon, EnglandRead More
UX Connections is a design agency founded in London in 2013 with fewer than 50 experts. They specialize in UX/UI design, market research, and digital strategy solutions for clients ranging from small firms to large companies.
Clients
Immediate MediaIndustries
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3$50,000+250 - 999 employeesLondon, EnglandInfinum, a custom software development company, was established in 2005. They are in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.Read More
Clients
PhilipsIndustries
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4$75,000+50 - 249 employeesLondon, EnglandRead More
Arctic Grey, Ltd. is a creative firm founded in 2015 and located in New York. With a team of fewer than 50 employees, they offer e-commerce development, web development, and content marketing services. They serve mostly small businesses in the e-commerce, business services, and government industry.
Clients
Harvard UniversityIndustries
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5$25,000+2 - 9 employeesLondon, EnglandDigital Product People (formerly Lighthouse) is an user experience design agency. Established in 2008, the small agency is in London, England. Their team provides UX/UI Design and Product Design.Read More
Clients
TotalIndustries
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6$25,000+1,000 - 9,999 employeesSt Albans, EnglandFCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.Read More
Clients
Farfetch IPSOS Elfa Group BTG PactualIndustries
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7$10,000+250 - 999 employeesLondon, EnglandGeekyAnts is an application development firm established in 2006. The firm provides Mobile App Development, Custom Software Development, Artificial Intelligence, Web Development, and more and has a midsize team.Read More
Clients
Siveco Romania Olive Garden Darden KhataBookIndustries
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8$10,000+2 - 9 employeesLondon, EnglandRead More
Precode, an user experience design company, was established in 2018. They are in London, United Kingdom and have a small team. Their services include ux/ui design.
Clients
AvivaIndustries
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9$10,000+10 - 49 employeesBromley, EnglandCustom software development firm Goodface agency was established in 2016. The firm offers Custom Software Development, UX/UI Design, Web Design, Web Development, and more and has a small team. The firm is based in Bromley, England; Kyiv, Ukraine; Tallinn, Estonia and New York, New York.Read More
Clients
Magnetiq Bank 365 Games Corefy KARL STORTZIndustries
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10$50,000+50 - 249 employeesBristol, EnglandRead More
Torchbox is a web design agency launched in 2000. The firm focuses on web design, web development, ux/ui design, pay per click, and more and has a midsize team.
Industries
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11$100,000+50 - 249 employeesLondon, EnglandN-iX Games is a mobile app development firm. They are located in L'viv, Ukraine; Kyiv, Ukraine; Malmö, Sweden and North Miami Beach, Florida and have a midsize team. Their services include Mobile App Development, AR/VR development, UX/UI Design, and Custom Software Development. The firm was launched in 2012.Read More
Clients
Paradox InteractiveIndustries
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12$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
Clients
Lumiere Happy Companies Cashee (powered by Arab National Bank) SAB InvestIndustries
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13$5,000+10 - 49 employeesEdinburgh, ScotlandUX agency Lumi Studio was founded in 2020. They are in Edinburgh, Scotland and have a small team. Their services include UX/UI Design, Mobile App Development, Custom Software Development, IT strategy consulting, and more.Read More
Clients
OpenAI Anthemis YouMail JammJarIndustries
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14$5,000+10 - 49 employeesLondon, EnglandRead More
Applica is a small Mobile & App Marketing company. Established in 2021, the agency is in London, England and L'viv, Ukraine. Their services include Mobile & App Marketing, Conversion Optimization, UX/UI Design, and Mobile App Development.
Clients
DropsIndustries
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15$10,000+10 - 49 employeesLondon, EnglandBrowser London is an user experience agency. They are located in London, England and have a small team that specializes in UX/UI Design, Web Design, Product Design, Market Research, and more. The company was established in 2008.Read More
Clients
The British Library British Airways Vantage Health Mayor of LondonIndustries
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16$75,000+50 - 249 employeesLondon, EnglandRead More
Web development company 10up is headquartered in Sacramento, California; Boston, Massachusetts; New York, New York and London, United Kingdom. The agency provides web development, ux/ui design, web design, digital strategy, and more and is midsize.The agency was established in 2011.
Industries
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17$100,000+1,000 - 9,999 employeesManchester, EnglandLarge UX company DEPT®, is headquartered in Boston, Massachusetts; Amsterdam, Netherlands; Manchester, England and Berlin, Germany. They specialize in UX/UI Design, Digital Strategy, Mobile App Development, Custom Software Development, and more and were launched in 2015.Read More
Clients
TeslaIndustries
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18$5,000+10 - 49 employeesWarrington, EnglandRead More
Atomic Digital Marketing / Atomic Digital Labs, a SEO company, is headquartered in Warrington, England; Southampton, England; Edinburgh, Scotland and Cardiff, Wales. Launched in 2018, the small team focuses on Search Engine Optimization, Pay Per Click, UX/UI Design, Web Development, and more.
Clients
RocambolesqueIndustries
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19$1,000+50 - 249 employeesLondon, EnglandFounded in 2019, Rekos Agency is a web design agency. The firm focuses on Web Design, Web Development, UX/UI Design, and Branding and has a midsize team. The firm is headquartered in Vilnius, Lithuania; Thalwil, Switzerland; London, England and Manchester, England.Read More
Clients
We deeply understand your customer needs and the market you operate in to create unique and customer focus UI/UX and Visual Identity Design Solutions mostly for these industries:Industries
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20$5,000+10 - 49 employeesLondon, EnglandRead More
Launched in 1991, Make it Clear is a UX agency. The small London, United Kingdom-based team provides ux/ui design, marketing strategy, digital strategy, graphic design, and more.
Clients
Cambridge University Press & AssessmentIndustries
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21$1,000+50 - 249 employeesLondon, EnglandDuck Design, a graphic design company, is in London, England and New York, New York. They offer Graphic Design, Product Design, UX/UI Design, Branding, and more and were launched in 2017.Read More
Clients
FarsightIndustries
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22$25,000+10 - 49 employeesLondon, EnglandSuperco is an e-commerce development company established in 2019. Their small team is located in London, England and New York, New York. The agency provides E-Commerce Development and UX/UI Design.Read More
Clients
Represent ClothingIndustries
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23$10,000+50 - 249 employeesKingston upon Thames, EnglandUinno, an artificial intelligence development company, is located in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine. The midsize agency was founded in 2019. Their services include Artificial Intelligence, AI Consulting, Custom Software Development, UX/UI Design, and more.Read More
Clients
OnlyFansIndustries
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24$10,000+50 - 249 employeesLondon, EnglandRhapsody is a midsize London, England-based Digital Strategy company. They provide Digital Strategy, Web Design, Branding, E-Commerce Development, and more and were launched in 1980.Read More
Clients
SpotifyIndustries
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25$25,000+10 - 49 employeesLondon, EnglandRead More
Founded in 2014, Series Eight is a small branding firm. Their services include Branding, Web Design, UX/UI Design, and E-Commerce Development. The company is headquartered in London, England.
Clients
KuoniIndustries
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26$10,000+10 - 49 employeesLondon, EnglandSpaceberry Studio, a small UX agency, is located in Kyiv, Ukraine; Amsterdam, Netherlands; New York, New York and London, England. Established in 2020, the team focuses on UX/UI Design and Web Design.Read More
Industries
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27$10,000+10 - 49 employeesLondon, EnglandApplication development company TopDevs is located in London, England and Burnaby, Canada. Established in 2009, the small team focuses on Mobile App Development, Web Development, UX/UI Design, and Artificial Intelligence.Read More
Clients
SolocatorIndustries
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28$25,000+10 - 49 employeesLondon, EnglandRead More
Founded in 2017, LoveGunn is a London-based branding and design firm. Their team of fewer than 10 serves small to midmarket businesses across a range of industries. Services include branding as well as web, UX/UI, and graphic design.
Clients
Chelsea Football ClubIndustries
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29$10,000+10 - 49 employeesLondon, EnglandFounded in 2018, Hiyield is a web design agency. Their small team is headquartered in London, England; Truro, England and Bristol, England. Their team offers Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
Industries
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30$50,000+10 - 49 employeesLondon, EnglandBoldheart, a mobile application development firm, was founded in 2020. The agency specializes in Mobile App Development, Custom Software Development, UX/UI Design, IT strategy consulting, and more and has a small team. The agency is in Berlin, Germany; München, Germany; Zürich, Switzerland and Wien, Austria.Read More
Clients
ValoraIndustries
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