Top 100 Usability Testing Companies in the United Kingdom
The Best of December 2025Looking 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, EnglandRead More
Qubstudio is an UX company. They are located in L'viv, Ukraine and London, England and have a midsize team that offers UX/UI Design. The firm was founded in 2006.
Clients
Bank ABC (Bahrain) Oracle (Germany) Gulf Bank (Kuwait) Benefit (Bahrain)Industries
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2$50,000+250 - 999 employeesLjubljana, SloveniaInfinum, a custom software development company, was founded in 2005. The firm offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more and has a midsize team. The firm is in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia.Read More
Clients
PhilipsIndustries
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3$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
Mayor of London British Airways Vantage Health The British LibraryIndustries
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4$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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5$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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6$25,000+2 - 9 employeesLondon, EnglandRead More
Lighthouse is a specialist UX and UI design agency, founded in London but now working together from all over the globe.
Founded in 2008, the Lighthouse team use cutting edge design, collaboration and experience to solve the most complex problems. Lighthouse partner with both well-established enterprise businesses seeking to inject life into under-performing applications, and funded startups ready to progress their product. These are typically headed up by seasoned founders who love the process as well as the outcome.Clients
TotalIndustries
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7$10,000+250 - 999 employeesLondon, EnglandGeekyAnts is a Bengaluru, India-based custom software development firm. The midsize team provides Custom Software Development, Mobile App Development, Web Development, Artificial Intelligence, and more. The firm was launched in 2006.Read More
Clients
Siveco Romania Olive Garden Darden KhataBookIndustries
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8$5,000+250 - 999 employeesLondon, EnglandLaunched in 2003, Konstant Infosolutions is an application development firm. The midsize Jaipur, India-based team offers Mobile App Development, Artificial Intelligence, UX/UI Design, and Web Development.Read More
Clients
United Nations Volkswagen Stanley Connect DelmonteIndustries
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9$10,000+10 - 49 employeesNew York, NYSpaceberry Studio is a small user experience design company established in 2020. Their team specializes in UX/UI Design. The agency is based in Kyiv, Ukraine; Amsterdam, Netherlands; New York, New York and London, England.Read More
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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$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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12$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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13$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
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14$1,000+250 - 999 employeesLincoln, EnglandRead More
Promodo is a midsize SEO services firm. The Las Vegas, Nevada-based firm was founded in 2004. Their team offers Search Engine Optimization, Pay Per Click, Marketing Strategy, Email Marketing, and more.
Clients
Karcher Leobank PlantIn ClaspoIndustries
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15$5,000+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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16$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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17$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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18$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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19$100,000+1,000 - 9,999 employeesManchester, EnglandRead More
Dept is a web development firm that was founded in 2016. They have a team of over 1,300 employees, spread out over four offices in Boston, Amsterdam, Berlin, and Manchester, U.K. They offer web development, UX/UI design, and web design to midmarket and enterprise companies across the globe.
Clients
TeslaIndustries
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20$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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21$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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22$10,000+50 - 249 employeesPraha, Czech RepublicValor Software is a Lakewood, Colorado-based web design company. The midsize company was established in 2013. Their services include Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more.Read More
Clients
BreetheIndustries
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23$5,000+50 - 249 employeesLondon, EnglandRead More
In Cluj-Napoca, Romania; London, England and New York, New York, Tapptitude is an app development company. The midsize team offers Mobile App Development, Web Development, UX/UI Design, Artificial Intelligence, and more. The agency was launched in 2013.
Clients
TenorIndustries
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24$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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25$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.
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26$10,000+50 - 249 employeesLondon, EnglandThoughtbot, a web development firm, is located in New York, New York and London, England. They focus on Web Development, Mobile App Development, UX/UI Design, cloud consulting & SI, and more and were launched in 2003.Read More
Clients
Health Match 360Industries
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27$5,000+50 - 249 employeesStamford, EnglandRead More
Offshorly, a custom software development firm, was launched in 2014. Their midsize team is based in Stamford, England and Quezon City, Philippines and provides Custom Software Development, Artificial Intelligence, Web Design, Web Development, and more.
Clients
7-11 (Philippines) Dribble Portfolio: https://dribbble.com/offshorlyIndustries
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28$10,000+10 - 49 employeesLondon, EnglandRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
Clients
Vodacom BMW Liberty Life Signal HillIndustries
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29$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
Clients
Airportr Nomupay One Text ShagaIndustries
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30$5,000+10 - 49 employeesEdinburgh, ScotlandLumi Design is an user experience design company established in 2020. In Edinburgh, Scotland, their small team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more.Read More
Clients
Anthemis Stackwell Ovom Care MusiversalIndustries
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