Top 100 Usability Testing Companies in London
The Best of December 2025Looking for a top usability testing agency in London?
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 London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Usability Testing Services
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61$1,000+10 - 49 employeesBoston, MARead More
Seahawk Media is a web design and development company based in Boston, but with offices around the world. Founded in 2015, they also provide SEO, branding, and UX/UI design services. They're also a GoDaddy partner.
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62$10,000+10 - 49 employeesLondon, EnglandHue&machine is an user experience agency. The small London, England-based agency was founded in 2020. Their services include UX/UI Design, Custom Software Development, Web Design, Web Development, and more.Read More
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Stanford University Microsoft Clair HenkelIndustries
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63$25,000+10 - 49 employeesLondon, EnglandIn London, England, Contic is an application development firm. They provide Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more and were founded in 2021.Read More
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64$25,000+10 - 49 employeesLondon, EnglandRead More
Yalla is an UX design company. They are in London, United Kingdom and Gaza City, Palestine, State of and have a small team that specializes in ux/ui design, custom software development, web design, web development, and more. The agency was launched in 2019.
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Shannon TrustIndustries
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65$5,000+10 - 49 employeesLondon, EnglandRead More
Creathive is an UX agency. Their small team is based in İstanbul, Turkey and provides ux/ui design, branding, mobile app development, and web development. The firm was founded in 2016.
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GetirIndustries
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66$10,000+2 - 9 employeesLondon, EnglandRead More
Lemonat is a digital product design agency that was founded in 2012. Their 9-person team is headquartered in London with offices in Istanbul. They offer UX/UI design, web design, and digital strategy services to midmarket companies in the spaces of financial services, arts and entertainment, and e-commerce.
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Turkcell (Gsm operator)Industries
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67$10,000+10 - 49 employeesLondon, EnglandRead More
Rattlesnake Group is a web design company. Established in 2020, the team offers web design, marketing strategy, product design, branding, and more. Their small firm is London, United Kingdom-based.
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68$50,000+50 - 249 employeesLondon, EnglandRead More
Novoda is a digital-product agency based in London, England, that was established in 2008. Their team of 71 employees provides mobile app development, UX/UI design, enterprise app modernization, digital strategy, and AR/VR development services.
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Tesco News UKIndustries
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69$1,000+2 - 9 employeesLondon, EnglandZero To Design, an user experience agency, is in London, England; Barcelona, Spain and Lisbon, Portugal. The firm focuses on UX/UI Design and Web Design and has a small team.The firm was founded in 2021.Read More
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70$10,000+2 - 9 employeesLondon, EnglandSmall UX design company LION+MASON, is located in London, England and Leeds, England. They specialize in UX/UI Design, Product Design, and Web Design and were established in 2016.Read More
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Johnson & JohnsonIndustries
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71$10,000+10 - 49 employeesLondon, EnglandRead More
Lightflows is a website development firm headquartered in Guildford, England and London, England. The small agency was established in 2009. Their services include Web Development, Mobile App Development, UX/UI Design, Custom Software Development, and more.
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HomeViewsIndustries
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72$50,000+10 - 49 employeesLondon, EnglandCustom software development firm Clock Limited was established in 1997. The agency offers Custom Software Development, Mobile App Development, UX/UI Design, and Web Development and has a small team. The agency is headquartered in Sarratt, England and London, England.Read More
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Riot Games Mythical Society Hearst International Tennis FederationIndustries
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73$100,000+10 - 49 employeesLondon, EnglandRead More
Future Platforms is a London based digital agency. Founded in 2000, Future Platforms employs a team of 39 specialists that provide e-commerce, mobile app, and wearable app development.
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Domino’s PizzaIndustries
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74$10,000+50 - 249 employeesLondon, EnglandRead More
Kernelics is a software development company founded in 2020 with over 50 employees. They provide web development, mobile app development, and AI solutions from their office in Minsk, Belarus. They work with small businesses across various industries.
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75$10,000+50 - 249 employeesLondon, EnglandAngry Nerds is a custom software development firm launched in 2015. The agency provides Custom Software Development, UX/UI Design, Web Development, and Mobile App Development and has a midsize team.Read More
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76$50,000+2 - 9 employeesLondon, EnglandRead More
Furthermore is a digital transformation agency located in London. Founded in 2013, they employ five staff specializing in service design and product strategy for small and midmarket companies, typically in education, health and hospitality. Services include business transformations, design experiments, content strategy, data analysis, and front-end and app prototyping.
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Chelsea FCIndustries
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77$50,000+50 - 249 employeesReigate, EnglandSonin App Development is a midsize application development company. Founded in 2008, the team specializes in Mobile App Development, UX/UI Design, and Web Design. The firm is in Reigate, England; Edinburgh, Scotland and Paris, France.Read More
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Alpine Belle Hutt The British Museum CaterpillarIndustries
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78$25,000+10 - 49 employeesTallinn, EstoniaRead More
Umber.Tech — Fintech & Highload Experts is a Microservices Architecture Services company. Their small team is located in Tallinn, Estonia; Dubai, United Arab Emirates; Hannover, Germany and Boston, Massachusetts and offers Microservices Architecture Services, Web Development, Mobile App Development, UX/UI Design, and more. The agency was founded in 2017.
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Benzinga OLX AmeriaIndustries
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79$25,000+50 - 249 employeesLondon, EnglandSoftware development company The Lightning Group was established in 2015. Their midsize team is in London, England. The Lightning Group focuses on Custom Software Development, Web Development, UX/UI Design, Mobile App Development, and more.Read More
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80Undisclosed10 - 49 employeesLondon, EnglandDigivate is a small artificial intelligence company launched in 1998. Their team specializes in Artificial Intelligence, AI Consulting, Web Development, Social Media Marketing, and more. The firm is located in London, England.Read More
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WhistlIndustries
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81$50,000+50 - 249 employeesLondon, EnglandRead More
ClerksWell is a custom software development firm. They are headquartered in London, United Kingdom and have a midsize team that focuses on custom software development, web development, IT strategy consulting, web design, and more. The firm was founded in 1996.
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82$5,000+10 - 49 employeesLondon, EnglandOzeito is an UX company. Their small team is located in London, England and Faisalabad, Pakistan. The agency provides UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more.Read More
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83$25,000+2 - 9 employeesLondon, EnglandRead More
Impact Media is an enterprise-level WordPress web design and support agency based in Wickford, UK, with an office in Shoreditch, UK. The agency, founded in 2003, is a team of less than ten who provide WordPress web development and design, and UX/UI design services to small and midmarket companies.
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Michelmersh Brick Holdings PLC Bakels Group The PIE Don't Buy Her FlowersIndustries
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84$5,000+50 - 249 employeesLondon, EnglandIConnect Digital Solutions Ltd is a London, England-based application development firm. They specialize in Mobile App Development, UX/UI Design, and Web Development and were launched in 2011.Read More
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85$5,000+10 - 49 employeesLondon, EnglandAuthentic Digital, an UX design company, was launched in 2010. They are located in London, England; Hong Kong, Hong Kong and Kraków, Poland and have a small team. Authentic Digital offers UX/UI Design, Web Design, Custom Software Development, Blockchain, and more.Read More
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J.P. Morgan Asset ManagementIndustries
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86$25,000+10 - 49 employeesLondon, EnglandFounded in 2019, Drewl is a small UX design company. Their team specializes in UX/UI Design, Web Development, and Web Design. The firm is in London, England.Read More
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87$10,000+10 - 49 employeesLondon, EnglandStudiomade is an user experience company. Established in 2010, the team focuses on UX/UI Design, Web Development, Digital Strategy, Branding, and more. Their small company is in London, England and New York, New York.Read More
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Broadridge Edelman Department of Business and Trade, Life Sciences Global Pension CorporationIndustries
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88$50,000+50 - 249 employeesLondon, EnglandThinslices Development, a website development company, is located in Iași, Romania and London, England. The midsize firm was established in 2010. Their team focuses on Web Development, Mobile App Development, and UX/UI Design.Read More
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89$50,000+250 - 999 employeesLondon, EnglandRead More
Parkside Interactive is a software company founded in 2007 with more than 50 members. They provide custom software development, enterprise app modernization, and UX/UI design services from their office in Graz, Austria. They work primarily with small businesses.
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LinkedInIndustries
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90$1,000+10 - 49 employeesRuislip,London, EnglandBased in Ambala Cantt, India and Ruislip,London, England, Xportsoft Technologies Pvt. Ltd. Is a web design company. The small company was founded in 2005. Their team specializes in Web Design, Web Development, UX/UI Design, and Mobile App Development.Read More
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