Top 100 Usability Testing Companies in the United Kingdom
The Best of April 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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31$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
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Anthemis Stackwell Ovom Care MusiversalIndustries
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32$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.
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Vodacom BMW Liberty Life Signal HillIndustries
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33$10,000+10 - 49 employeesLondon, EnglandE-commerce development firm Superco was established in 2019. The firm offers E-Commerce Development and UX/UI Design and has a small team. The firm is in London, England and New York, New York.Read More
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Represent ClothingIndustries
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34$100,000+50 - 249 employeesNewcastle upon Tyne, EnglandHedgehog lab is a midsize mobile application development firm. They specialize in Mobile App Development, Artificial Intelligence, UX/UI Design, Custom Software Development, and more and were launched in 2007. The company is headquartered in Newcastle upon Tyne, England.Read More
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Aviva AJ Bell Tesco Bank Under ArmourIndustries
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35$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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36$1,000+50 - 249 employeesLondon, EnglandRead More
Product Design company Duck.Design is based in London, England and New York, New York. The midsize company was established in 2017. Their services include Product Design, Graphic Design, Branding, Web Design, and more.
Clients
FarsightIndustries
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37$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.
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Cambridge University Press & AssessmentIndustries
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38$10,000+10 - 49 employeesLondon, EnglandRead More
In London, England and Odesa, Ukraine, Solar Digital is a website development firm. The firm specializes in Web Development, Web Design, UX/UI Design, Custom Software Development, and more and is small.The firm was founded in 2016.
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Stark Shipping (analytical portal of marine industryIndustries
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39$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.
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Chelsea Football ClubIndustries
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40$10,000+10 - 49 employeesLondon, EnglandRead More
Top Notch Dezigns® is a small web design agency. Founded in 2004, the firm is headquartered in New York, New York; Melville, New York; Los Angeles, California and London, England. Their team specializes in Web Design, Search Engine Optimization, Pay Per Click, Web Development, and more.
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Home Depot Meadowbrook Financial Mortgage Bankers Long Island University Student Nursing Association (SNA) CassoneIndustries
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41$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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42$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.
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DropsIndustries
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43$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
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SpotifyIndustries
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44$10,000+10 - 49 employeesLondon, EnglandFormat-3 is a small user experience company. Established in 2023, the agency is headquartered in London, England and Nashville, Tennessee. Their services include UX/UI Design, Digital Strategy, Custom Software Development, and Web Development.Read More
Clients
Natural History Museum TripleKey JojoBet DailyWireIndustries
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45$50,000+50 - 249 employeesLondon, EnglandRead More
Supercharge is a digital production firm that is headquartered in Budapest, Hungary with a second office in London. Founded in 2010, Supercharge's team of more than 100 employees specializes in web and mobile app development. The firm also offers UI/UX design services to its clients.
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46$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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47$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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48$1,000+50 - 249 employeesHuddersfield, EnglandFounded in 2013, Phaedra Solutions is a midsize custom software development firm. Their team offers Custom Software Development, Artificial Intelligence, Generative AI, IT staff augmentation, and more. The firm is based in Dubai, United Arab Emirates; Huddersfield, England and Cheyenne, Wyoming.Read More
Clients
OnTrack.co EnMass Energy Stadium Goods EcoFlowIndustries
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49$10,000+2 - 9 employeesLondon, EnglandUniko Studio, a branding agency, was launched in 2022. The company provides branding, web design, ux/ui design, logo, and more and has a small team. The company is based in London, United Kingdom and دبي, United Arab Emirates.Read More
Industries
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50$10,000+10 - 49 employeesLondon, EnglandRead More
TopDevs is a small website development company located in London, England and Burnaby, Canada. Launched in 2009, the team specializes in Web Development, Mobile App Development, and UX/UI Design.
Clients
SolocatorIndustries
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51$10,000+10 - 49 employeesLondon, EnglandRead More
Plug & Play is a UX/UI agency based in London and Surrey. Founded in 2007, they are specialists in user experience and user interface design for software, websites and custom applications. They also have a front-end development service to support clients with the design implementation. Plug & Play work across a number of sectors with their clients ranging from funded startups to large corporations such as Legal & General.
Clients
WWF Powerleague Give A Grad A Go RSL AwardsIndustries
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52$10,000+50 - 249 employeesKingston upon Thames, EnglandRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
Clients
OnlyFansIndustries
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53$5,000+250 - 999 employeesLondon, EnglandBased in Dhaka, Bangladesh; London, England; Dubai, United Arab Emirates and Dhaka, Bangladesh, Riseup Labs is an UX company. They offer UX/UI Design, IT managed services, IT staff augmentation, Custom Software Development, and more and were established in 2010.Read More
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54$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.
Clients
AMT Sybex (Capita)Industries
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55$10,000+10 - 49 employeesLondon, EnglandRead More
CodeLeap is a London, United Kingdom-based application development firm. The small team specializes in mobile app development, web development, Artificial Intelligence, AR/VR development, and more. The company was founded in 2019.
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56$10,000+10 - 49 employeesBristol, 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
Clients
Tree AidIndustries
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57$25,000+10 - 49 employeesLondon, EnglandTogether is a branding company launched in 2018. The small team specializes in Branding, UX/UI Design, Product Design, Web Development, and more. The agency is located in London, England; New York, New York and San Francisco, California.Read More
Clients
UnitIndustries
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58$10,000+2 - 9 employeesFarnham, EnglandFull Clarity is a Farnham, England-based UX design company. The small team provides UX/UI Design, Advertising, Custom Software Development, Web Development, and more. The company was founded in 2018.Read More
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ITVIndustries
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59$50,000+50 - 249 employeesNottingham, EnglandApp development company Atomic is in Nottingham, England; Shoreditch, England and Newport Pagnell, England. The midsize company was established in 1999. Their team specializes in Mobile App Development, Web Development, UX/UI Design, and Digital Strategy.Read More
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VodafoneIndustries
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60$10,000+2 - 9 employeesLondon, EnglandFellow Studio is a branding agency based in London, England. The small agency was launched in 2012. Their services include Branding, Graphic Design, Web Design, UX/UI Design, and more.Read More
Clients
Travel SentryIndustries
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