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$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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3$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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4$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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5$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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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$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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8$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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9$5,000+10 - 49 employeesLondon, EnglandRead More
Creative Navy, an user experience agency, was established in 2010. The small team offers UX/UI Design. The agency is based in London, England; Berlin, Germany; Basel, Switzerland and New York, New York.
Clients
Jaguar Miele General Motors VodafoneIndustries
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10$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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11$5,000+50 - 249 employeesLondon, EnglandUPQODE is a web design agency. The midsize Nashville, Tennessee-based team focuses on Web Design, UX/UI Design, and Web Development. The agency was founded in 2015.Read More
Clients
Gracenote - Entertainment ProvidersIndustries
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12$75,000+250 - 999 employeesLincoln, EnglandCodal is a website development company. The midsize Chicago, Illinois-based team provides Web Development, UX/UI Design, and E-Commerce Development. The company was founded in 2009.Read More
Clients
Baxter Charles Schwab ExpressMed Cocktail CourierIndustries
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13$10,000+50 - 249 employeesLondon, EnglandLocated in Dubai, United Arab Emirates; Kraków, Poland and London, England, Selecto is an user experience company. The midsize team focuses on UX/UI Design and was founded in 2014.Read More
Clients
AbbottIndustries
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14$50,000+250 - 999 employeesLondon, EnglandMethod is a midsize UX agency. They specialize in UX/UI Design, Custom Software Development, Digital Strategy, Mobile App Development, and more and were launched in 1999. The agency is located in New York, New York; London, England; Santa Clara, California and Charlotte, North Carolina.Read More
Industries
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15$10,000+10 - 49 employeesLondon, EnglandRead More
Established in 2013, Inktrap is a small SEO agency. Their team focuses on search engine optimization, web design, advertising, ux/ui design, and more. The firm is based in London, United Kingdom.
Clients
PwC TysersIndustries
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16$25,000+250 - 999 employeesLondon, EnglandRobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
Clients
Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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17$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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18$10,000+10 - 49 employeesLondon, EnglandRead More
Format-3 is a small user experience agency launched in 2023. Their services include UX/UI Design, Custom Software Development, Digital Strategy, and Web Development. The company is based in London, England and Nashville, Tennessee.
Clients
Natural History Museum Alpiq Scottish Power Majid al FuttaimIndustries
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19$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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20$50,000+50 - 249 employeesBournemouth, EnglandLaunched in 2009, 3 SIDED CUBE is an application development company. They are in Washington, District of Columbia; Bournemouth, England; London, England and Winter Garden, Florida and have a midsize team. Their services include Mobile App Development, Custom Software Development, UX/UI Design, and Artificial Intelligence.Read More
Clients
American Red Cross British Red Cross Vodafone GlastonburyIndustries
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21$10,000+50 - 249 employeesLondon, EnglandPhenomenon Studio, an user experience design agency, was established in 2019. Located in Dover, Delaware; Chicago, Illinois; New York, New York and Los Angeles, California, their midsize team offers UX/UI Design, Web Development, Custom Software Development, Branding, and more.Read More
Clients
Wisdom iolo/RealDefense One Text ArtisanIndustries
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22$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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23$10,000+10 - 49 employeesLondon, EnglandFounded in 2016, Solar Digital is a website development company. The company specializes in Web Development, AI Agents, Custom Software Development, UX/UI Design, and more and has a small team. The company is headquartered in London, England and Odesa, Ukraine.Read More
Clients
Stark Shipping (analytical portal of marine industryIndustries
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24$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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25$1,000+50 - 249 employeesLondon, EnglandBased in دبي, United Arab Emirates; Noida, India; London, England and Nottingham, England, Tenet - UI UX Design Agency | Experience Design is an user experience design company. The agency offers UX/UI Design, Web Design, Custom Software Development, Branding, and more and is midsize.The agency was established in 2019.Read More
Clients
Mercedes Gartner G42 Group BalsanIndustries
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26$1,000+1,000 - 9,999 employeesLondon, EnglandRead More
Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.
Industries
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27$25,000+2 - 9 employeesPlymouth, EnglandRead More
Elixel is an UX design company. Their small team is in Plymouth, United Kingdom. Their services include ux/ui design, mobile app development, web design, and web development. The company was established in 2012.
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28$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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29$25,000+50 - 249 employeesLondon, EnglandWebsite development firm Deeep was established in 2009. The midsize team provides Web Development, Custom Software Development, UX/UI Design, Low/No Code Development, and more. The firm is headquartered in London, England and Dubai, United Arab Emirates.Read More
Clients
Societe Generale Group Emirates NBD Bank SBI Bank 24AI & 24ORMIndustries
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30$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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