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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301$5,000+2 - 9 employeesLondon, EnglandHEIGHTS DIGITAL LTD is a web design agency. Founded in 2024, the team offers Web Design, Branding, and UX/UI Design. Their small firm is headquartered in London, England and London, England.Read More
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302$5,000+10 - 49 employeesWatford, EnglandUser experience agency Bellosoft Limited was launched in 2017. The small Watford, England-based team specializes in UX/UI Design, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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303$10,000+2 - 9 employeesBristol, EnglandLaunched in 2018, Lunar is a software development company. The team specializes in Custom Software Development and Web Development.Read More
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Associated Press IHG (InterContinental Hotels Group) Google News Lab OpenAthens -
304Undisclosed10 - 49 employeesBristol , EnglandRead More
Atomic Smash is a WordPress and WooCommerce studio headquartered in Bristol, England. Founded in 2010, they now have about 12 employees who specialize in web development, web design, and UX/UI design services. Their clients are typically small businesses in the arts, entertainment, and music as well as business services industries.
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Positive NewsIndustries
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305$1,000+10 - 49 employeesDenton, EnglandSmall website development company DevOasis Technologies, is located in Denton, United Kingdom and Lahore, Pakistan. Established in 2023, the team offers web development, mobile app development, custom software development, and ux/ui design.Read More
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306$5,000+10 - 49 employeesGlasgow, ScotlandRead More
Spectre Creative is a small e-commerce development firm and web development company. Located in Glasgow, United Kingdom, the firm was established in 2014. Their services include e-commerce development and web development.
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307$5,000+2 - 9 employeesChurch Crookham, EnglandNuttifox is a custom software development firm. They are located in Church Crookham, United Kingdom and have a small team. Their services include custom software development, ux/ui design, search engine optimization, web design, and more. The firm was established in 2009.Read More
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VMware Marks & Spensers 02 -
308$5,000+50 - 249 employeesHounslow, EnglandEstablished in 2022, Synchronous Services is a midsize user experience agency. Their team specializes in UX/UI Design, Custom Software Development, Web Development, Mobile App Development, and more. The company is located in Hounslow, England.Read More
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309$1,000+2 - 9 employeesWare, EnglandRead More
Heavy Penguin is a digital web agency founded in 2010. Based in Ware, United Kingdom, the team specializes in web development, eCommerce development, and UX/UI design. They primarily serve clients in the eCommerce, government, and consumer products and services agencies. Heavy Penguin designed and developed a corporate website for a landscaping and building company, helping them showcase their work and attract clients. The team also implemented email and contact capabilities.
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ArgosIndustries
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310$1,000+2 - 9 employeesLondon, EnglandRead More
Founded in 2011, Pendulum Creative is located in Putney, United Kingdom. Their team of three employees provides UX/UI design, web design, and graphic design services for midmarket and small businesses.
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London Sock CompanyIndustries
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311$1,000+10 - 49 employeesManchester, EnglandDev Bench is a small web design agency launched in 2018. Their services include web design, custom software development, social media marketing, search engine optimization, and more. The agency is in Manchester, United Kingdom.Read More
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312$5,000+2 - 9 employeesLondon, EnglandRead More
Located in London, United Kingdom, Component Product Foundry is a UX design company. The agency offers ux/ui design, marketing strategy, digital strategy, content marketing, and more and is small.The agency was established in 2018.
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313Undisclosed10 - 49 employeesBrighton, EnglandRead More
Creative Stack Ltd, a software development firm, is located in Brighton, United Kingdom. The small team offers custom software development, web development, mobile app development, e-commerce development, and more. The company was founded in 2010.
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314$10,000+10 - 49 employeesLondon, EnglandRead More
Motzheim Development is a San Francisco, California-based mobile app development company. The small company was established in 2023. Their team provides mobile app development, ux/ui design, custom software development, web development, and more.
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315$50,000+2 - 9 employeesLytchett Matravers, EnglandRead More
Launched in 2019, Jupiter and the Giraffe is a small IT strategy consulting company. Their services include IT strategy consulting, web design, ux/ui design, product design, and more. The company is in Borehamwood, United Kingdom.
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RE-DefinedIndustries
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316$1,000+50 - 249 employeesBelfast, Northern IrelandWeb design company Spadasoft Development Software Company was founded in 2020. Their small team is based in Samaheej, Bahrain and specializes in web design, mobile & app marketing, search engine optimization, ux/ui design, and more.Read More
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317$1,000+10 - 49 employeesBirmingham, EnglandPixelBot LTD is an UX agency. They provide UX/UI Design, Graphic Design, Web Development, Mobile App Development, and more and were established in 2024. Their small team is located in Birmingham, England and Lahore, Pakistan.Read More
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318$5,000+10 - 49 employeesLondon, EnglandBranding agency Okapolio was launched in 2012. The small team offers branding, custom software development, web development, mobile app development, and more. The agency is based in.Read More
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319$5,000+10 - 49 employeesChester, EnglandEstablished in 2021, LogicsHorizon is an IT staff augmentation company. Headquartered in Chester, England, the team offers IT staff augmentation and Custom Software Development.Read More
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OnSiteGoIndustries
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320$5,000+50 - 249 employeesManchester, EnglandHashbyt - AI-First Leading Frontend & UI/UX SaaS Partner is an user experience design company. Located in Manchester, England, their midsize team provides UX/UI Design, Web Development, Custom Software Development, Enterprise App Modernization, and more. The company was launched in 2017.Read More
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321$10,000+2 - 9 employeesLeeds, EnglandMotion 12, a custom software development company, was launched in 2018. They are headquartered in Leeds, England and have a small team. Motion 12 focuses on Custom Software Development, UX/UI Design, and Web Development.Read More
Clients
Explora Journeys MSC Group 6Points Cycling Challenges Brass Bee -
322$1,000+2 - 9 employeesWembley, EnglandVUPAX Solutions Limited, an user experience design company, was founded in 2025. Their small team is based in Wembley, England. Their services include UX/UI Design, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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323$5,000+2 - 9 employeesLondon, EnglandWebsite development firm CERKA is located in London, England and Tulum, Mexico. They provide Web Development, Branding, UX/UI Design, Web Design, and more and were launched in 2022.Read More
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324UndisclosedFreelancer employeesLondon, EnglandRead More
NetSwifter is a London, United Kingdom-based web design company. The small team provides web design, web development, ux/ui design, and digital strategy. The company was launched in 2017.
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325$1,000+10 - 49 employeesLondon, EnglandRead More
SOKOLDEV is a small web development firm and mobile app development firm. The Lahore, Pakistan-based company was founded in 2017. Their team provides web development and mobile app development.
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326$10,000+10 - 49 employeesLeeds, EnglandHyperact, an user experience design company, was founded in 2022. Based in Leeds, England and Manchester, England, their small team focuses on UX/UI Design, Custom Software Development, Business Consulting, IT staff augmentation, and more.Read More
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327Undisclosed10 - 49 employeesLondon, EnglandRead More
SmallGiants is a web development firm in London, United Kingdom. The small firm was founded in 2018. Their team provides web development, ux/ui design, application management & support, advertising, and more.
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328$10,000+10 - 49 employeesBirmingham, EnglandEstablished in 2014, KIJO is a web design agency. The company focuses on Web Design, Digital Strategy, UX/UI Design, Web Development, and more and has a small team. The company is headquartered in Birmingham, England and London, England.Read More
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329$1,000+2 - 9 employeesLondon, EnglandParticular Creatives is an advertising company. The small team is based in London, United Kingdom. Their services include advertising, branding, ux/ui design, and graphic design.Read More
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330$10,000+2 - 9 employeesManchester, EnglandActuate Digital, a small Conversion Optimization company, is located in Manchester, England. Founded in 2019, the team focuses on Conversion Optimization, Digital Strategy, Web Design, UX/UI Design, and more.Read More
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