Top 100 Usability Testing Companies in London
The Best of October 2026Looking 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$25,000+10 - 49 employeesLondon, EnglandRead 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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62$10,000+2 - 9 employeesLondon, EnglandCaboodle UX Studio is an UX design company. Their small team is based in London, England and specializes in UX/UI Design, Product Design, Digital Strategy, and Conversion Optimization. The firm was founded in 2016.Read More
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AllianceBernsteinIndustries
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63$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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64$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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65$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
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Health Match 360Industries
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66$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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67$10,000+10 - 49 employeesLondon, EnglandTop Notch Dezigns® is a web design agency. They provide Web Design, UX/UI Design, E-Commerce Development, Pay Per Click, and more and were established in 2004. Their small team is located in New York, New York; Melville, New York; Los Angeles, California and London, England.Read More
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Home Depot Meadowbrook Financial Mortgage Bankers Long Island University Student Nursing Association (SNA) CassoneIndustries
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68$25,000+10 - 49 employeesLondon, EnglandHex Digital, an advertising company, is headquartered in London, United Kingdom. The small company was launched in 2008. Their services include advertising, custom software development, ux/ui design, branding, and more.Read More
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69$5,000+10 - 49 employeesLondon, EnglandBranding company Passionate Agency – Passionates is located in London, England and New York, New York. The small team offers Branding, Conversion Optimization, Web Design, UX/UI Design, and more and was founded in 2019.Read More
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70$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.
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WWF Powerleague Give A Grad A Go RSL AwardsIndustries
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71$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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72$5,000+10 - 49 employeesLondon, EnglandRead More
NU Creative is a London, United Kingdom-based branding company. They offer branding, email marketing, advertising, graphic design, and more and were launched in 2004.
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73$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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74$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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75$10,000+2 - 9 employeesLondon, EnglandUser experience design agency LION+MASON was founded in 2016. The agency provides UX/UI Design, Product Design, Web Design, Market Research, and more and has a small team.Read More
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Johnson & JohnsonIndustries
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76$10,000+10 - 49 employeesLondon, EnglandRead More
Small user experience design company Earthr, is in İzmir, Turkey. The team provides ux/ui design, web design, product design, and branding.
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77$10,000+10 - 49 employeesLondon, EnglandRead More
Located in London, England and Madrid, Spain, Catch is a small Digital Strategy company. They focus on Digital Strategy, UX/UI Design, Web Development, Web Design, and more and were founded in 2007.
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SharpIndustries
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78$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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79$10,000+10 - 49 employeesLondon, EnglandTapptitude is a mobile app development company. Located in Cluj-Napoca, Romania; London, England and New York, New York, their small team focuses on Mobile App Development, Web Development, UX/UI Design, Artificial Intelligence, and more. The agency was founded in 2013.Read More
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TenorIndustries
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80$25,000+10 - 49 employeesLondon, EnglandBlott is an AI development company established in 2019. Their small team is located in London, England and Colombo, Sri Lanka. The firm focuses on Artificial Intelligence, UX/UI Design, Web Development, Mobile App Development, and more.Read More
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81$10,000+10 - 49 employeesLondon, EnglandUPDIVISION is an application development company launched in 2010. They are headquartered in București, Romania; London, England; Roma, Italy and Zürich, Switzerland and have a small team. The firm focuses on Mobile App Development, Web Development, Custom Software Development, UX/UI Design, and more.Read More
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82$10,000+10 - 49 employeesLondon, EnglandLaunched in 2001, Artistsweb is a web design company. The small London, England-based team provides Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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BMW Hurom Jaeger LeCoultre Alveena CasaIndustries
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83Undisclosed10 - 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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84$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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85$10,000+10 - 49 employeesLondon, EnglandHeadChannel Consulting, a software development company, is based in London, England; Katowice, Poland and New York, New York. The small team provides Custom Software Development, Artificial Intelligence, UX/UI Design, Web Development, and more and was founded in 2004.Read More
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The William Pears GroupIndustries
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86$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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87$25,000+50 - 249 employeesLondon, EnglandIncepteo Labs is a midsize artificial intelligence development company. The London, England-based company was founded in 2007. Their services include Artificial Intelligence, Mobile App Development, UX/UI Design, Custom Software Development, and more.Read More
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GeodisIndustries
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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+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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90$1,000+10 - 49 employeesLondon, EnglandEstablished in 2006, Cefar is a small web design agency. Their team focuses on Web Design, Branding, Search Engine Optimization, UX/UI Design, and more. The agency is based in Leeds , England and London, England.Read More
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Hillsborough Fencing Ginetta NHS Springfield TrainingIndustries
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