Top 100 Usability Testing Companies in London

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Top 100 Usability Testing Companies in London

September 2022

Looking 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. 

Jump to Most Reviewed Companies

List of the Best London Usability Testing Services

  • 1
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Based in London, UK, Creative Navy's team of about 10 employees focuses entirely on UX/UI design. This agency works across a broad spectrum of industries, partnering with startups as well as established brands on mobile apps (iOS, Android, etc.), web and native apps (macOS, embedded, devices), and other projects.

    Clients

    • Jaguar
    • Philips
    • Bosch
    • Discovery Channel

    Industries

    Notable Project

    A manufacturing company partnered with Creative Navy to restructure their content production processes. The team designed a new UI that could streamline content management across the company's various websites.

    "Creative Navy was very transparent—always openly telling us what they were thinking without trying to impress us."

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  • 2
    • $25,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.

    Clients

    • Samsung
    • Johnson & Johnson
    • GlobePayroll
    • Siemens

    Industries

    Notable Project

    Andersen Inc. redeveloped a website for a healthcare company that shifted from investigational to commercial use. They built a sitemap, graphics, and animations and added new functionalities.

    "We were impressed with how they took care of their teams and held up the business."

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  • 3
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Momentum Design Lab is based in Silicon Valley, with offices also located in New York City and London. The approximately 30-person company, which was founded in 2002, principally works on UX/CX for digital product design. Momentum assists by delivering digital product innovation, customer experience management, and digital transformation programs using their design thinking and technology-driven approaches. Momentum specializes in financial services, healthcare, high technology and software startups, and cx/ad/marketing technologies.

    Clients

    • Fiserv
    • Intuit
    • Dell EMC
    • Walmart

    Industries

    Notable Project

    Momentum Design Lab has analyzed the UI/UX of a transportation management company’s iOS and Android app. Their goal is to make the app seamless for the drivers and dispatchers who use the app. 

    "Working with them is one of the best experiences I’ve had with a vendor."

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  • 4
    • Scheduling

      4.8
    • Quality

      4.5
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Osedea is a computer software company boasting a team of just over 40 employees that provide custom software and mobile app development, as well as AI services. From their headquarters in Montreal, Canada, they partner with enterprise and mid-market companies in the manufacturing, energy, and telecom sectors. 

    Industries

    Notable Project

    A swimming lessons company hired Osedea to improve their web app. The team addressed the app’s issues and worked on the booking system, which includes a customizable calendar. They still support the app.

    "They're able to find solutions within our budget."

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  • 5
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

    Clients

    • Philips
    • Nike
    • Porsche
    • Coca Cola

    Industries

    Notable Project

    Infinum has been hired by a sound design and music software company to create a standalone solution for their diverse user base. They've built an iPadOS app that handles complex signal paths in real-time.

    "Infinum had a well-realized way of work that we were able to onboard and blend with our existing tools."

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  • 6
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    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

    • Total
    • John Lewis
    • Red Bull
    • PayPoint

    Industries

    Notable Project

    Lighthouse provides mobile application development and UX/UI design services for a transportation and logistics company. They’ve redesigned the client’s apps and integrated them into a single code base.

    "Their most distinguishing quality is that they’re sincere, humble, and empathetic."

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  • 7
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Mobile app development company Tapptitude has offices in Romania, the US, and London. The team of 100+ employees specializes in iOS and Android app development and offers UX/UI design, IT strategy consulting, and web development. Founded in 2013, Tapptitude mainly works with small businesses and startups in the real estate, automotive, and arts and entertainment industries.

    Clients

    • Tenor
    • Glorify
    • Wellory
    • Ontapp

    Industries

    Notable Project

    Tapptitude was an IT services company’s software development partner. They conducted research and planned for the implementation before building the solution. 

    "They were very easy to work with."

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  • 8
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Method is a strategic design firm based in New York with offices in London; Denver; Atlanta; Charlotte, N.C.; and San Jose, Calif. The firm, founded in 1999, has more than 130 employees and provides UX/UI design, custom software development, digital strategy, web development, and branding services. Method serves enterprise and mid-market companies in the financial services, IT, arts & entertainment, customer products & services, medical, and e-commerce industries.

    Clients

    • Ubisoft
    • Manchester City
    • Evry
    • Clear

    Industries

    Notable Project

    Method is tasked with developing and implementing a design system for an insurance company. They help the company create a style guide and provide design and engineering support to handle its production.

    "Their ability to communicate and their investment in the project is impressive."

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  • 9
    • Scheduling

      4.5
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Bit Zesty is a custom software development firm. They provide custom software development, ux/ui design, web development, application management & support, and more and were launched in 2009. Their small team is London, United Kingdom-based.

    Clients

    • Oxford Medical Simulation
    • Trussell Trust (UK Foodbanks)
    • Queen's Awards for Enterprise
    • HMRC

    Industries

    Notable Project

    Bit Zesty upgraded and rewrote two existing apps for a health and safety software company. They developed upgrades for APIs, added new functionality, and more.

    "For any urgent issues we were able to contact them quickly."

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  • 10
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Limeup is a Product Design Studio headquartered in London, United Kingdom. It was founded in 2019 and has since grown to over 20 employees and helped over 50 companies create stellar designs for their products. They primarily serve clients from Fintech and Gambling industries.

    Clients

    • Connect44
    • Nexte
    • Pokerhouse
    • Koto English

    Industries

    Notable Project

    Limeup provided UX design services for a financial services company. They performed UX research and eventually utilized mockups to create an application's interface.

    "Their approach was methodical and consecutive."

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  • 11
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    CubeZoo is a web development company. The small team is headquartered in Randburg, South Africa. Their services include web development, mobile app development, and enterprise app modernization.

    Clients

    • Allegra
    • BMW
    • Investec
    • Vodacom

    Industries

    Notable Project

    CubeZoo is developing an API tool for a financial services company. The solution extracts data from accounting software programs and transforms those into reports and graphics. 

    "Their team goes out of their way to ensure that the product is of superior quality."

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  • 12
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Hiyield is a small website development firm located in St. Austell, United Kingdom. Launched in 2018, the team focuses on web development, custom software development, ux/ui design, application management & support, and more.

    Industries

    Notable Project

    Hiyield created a wellbeing assessment web application for a wellness company. The team provided an intuitive design that can be fully utilized within 90 seconds, supporting the welfare of people. 

    "Hiyield designed an incredible product!"

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  • 13
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    Burst Digital is a web design company in London, United Kingdom. They offer web design, graphic design, web development, digital strategy, and more and were launched in 2018.

    Clients

    • Vivienne Westwood - The Vivienne Foundation
    • Lucinda Green
    • Clean Kitchen
    • Verity Bowditch

    Industries

    Notable Project

    Burst Digital was hired by a nonprofit organization to design and develop a WordPress website. They're also tasked with designing a logo, typography, color scheme, brand book, and social media templates.

    “We’re most impressed with Burst Digital’s flexibility and willingness to go the extra mile to cater to our needs."

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  • 14
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Ester Digital is a web design agency based in Tallinn, Estonia. Founded in 2015, the team of 7 specializes in web design, graphic design, and logos. They work mostly with small business clients, and primarily work within the advertising and marketing, information technology, and business services industries.

    Clients

    • Toptal
    • McDonald's
    • Bridgestone
    • T-Mobile

    Industries

    Notable Project

    Ester Digital adhered to a musician school's design specifications to create their website. Now, they provide support for the platform's online marketing campaigns on an ongoing basis.

    "Even the leaflet and brochure designs provided to us look elegant."

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  • 15
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    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 Media
    • Ladbrokes
    • ASOS
    • News UK

    Industries

    Notable Project

    UX Connections provided video production support for a global creative agency. They produced a two-minute video within just a month for a third-party client.

    "They were excellent to work with."

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  • 16
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    Browser London is a digital product agency based in London, United Kingdom. This company has 11 employees and was founded in 2008. Services offered by Browser London include UI/UX design, web design, and custom software development for companies of all sizes.

    Clients

    • Mayor of London
    • Lightning API
    • Shell
    • NHS

    Industries

    Notable Project

    A technology company hired Browser London for frontend development. They built an interface using PHP to connect with an Elasticsearch backend, allowing a graphical visualization of analytics from the frontend.

    "They involved us in their systems from the get-go — it was quite refreshing."

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  • 17
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $75,000+
    • 10 - 49 employees
    • London, United Kingdom

    Glance Creative Ltd. is an app development firm founded in 2016. Based in London, the team of 10 specializes in mobile app development, UX/UI and wearable app development. They mainly serve small business and midmarket clients in the entertainment, media and consumer products industries. 

    Clients

    • The Times
    • The Sun
    • Universal Music
    • Lucozade

    Industries

    Notable Project

    Glance provides mobile app development services to a social media startup for art lovers. They're handling the front- and backend development of a gaming platform that features a leaderboard and news feed. 

    “Their team has done a great job of accomplishing all the requirements in a timely and transparent manner.”

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  • 18
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    We Are Kitty is a small London, United Kingdom-based user experience design company. Founded in 2017, the team provides ux/ui design, e-commerce development, web design, web development, and more.

    Industries

    Notable Project

    We Are Kitty has built a bespoke CMS tool for a sports betting company from scratch using WordPress. The tool has enabled the client’s team to upload and distribute mass content, speeding up their workflow.

    “I’ve been impressed with their ability to get the job done to a high standard.”

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  • 19
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    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.

    Clients

    • Turkcell (Gsm operator)
    • Fizy (Music service)
    • Vendigo (Fintech)
    • Creativehub (Professional service)

    Industries

    Notable Project

    To support the launching of their company, a gaming studio hired Lemonat to develop and design their website. The team built the site from scratch and made sure it was consistent with the client's branding.

    "They have very good communication skills."

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  • 20
    • Scheduling

      4.4
    • Quality

      4.9
    • Cost

      4.4
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    NEVERBLAND is a web development firm. They provide web development, web design, ux/ui design, custom software development, and more and were launched in 2010. Their small team is London, United Kingdom-based.

    Clients

    • Togetherall
    • Lick
    • MyTrees
    • Bulb

    Industries

    Notable Project

    A global healthcare company was looking to streamline and digitize their code of conduct document, so they engaged with NEVERBLAND for their software and web development, hosting, and maintenance services.

    "They’re an easy choice for us to make because of the quality of the work they deliver."

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  • 21
    • Scheduling

      4.6
    • Quality

      4.7
    • Cost

      4.5
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    Fortnight is a boutique design and development studio based in Manchester, U.K., with offices in London and New York. The studio, founded in 2014, has a team of more than ten that provides mobile app development, branding, product design, web design, and UX/UI design services to small and larger-sized companies. 

    Clients

    • OnePlus
    • Bumble
    • Thursday
    • Simba Sleep

    Industries

    Notable Project

    In line with their brand launch, an automotive company hired Fortnight to develop their visual identity. The client wanted a fresh, innovative, and appealing look that resonates with a broad audience.

    "They seemed genuinely excited to work on our brand, and it showed in the final result of the project."

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  • 22
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    Uitop is an Austin, Texas-based user experience design agency. The small team specializes in ux/ui design, web design, product design, and graphic design and was founded in 2021.

    Clients

    • Kenjo 🇩🇪
    • ResHub 🇮🇪
    • FocusED 🇺🇸
    • Cicada 🇺🇸

    Industries

    Notable Project

    An online recipe platform has collaborated with uitop for website redesign using Figma. 

    "I like their willingness and dedication to create a unique design."

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  • 23
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 2 - 9 employees
    • London, United Kingdom

    Digiruu is a digital firm founded in 2016 run by a team of fewer than 10 professionals. Based in London, the company lends their expertise in mobile app development, UX/UI design, and web design to clients ranging from startups to large enterprises, working in various industries such as consumer products, advertising, and media.

    Clients

    • Pretty Lavish
    • ByErim
    • The Climate Week NYC
    • Subconsciously

    Industries

    Notable Project

    Digiruu is developing an iOS and Android application. They’ve progressed from wireframes and mockups to a functional MVP and now a live application. They work with Firebase and React Native for this project.

    Whenever we find a bug, their team jumps right on it. They care about us, which is a key plus.”

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  • 24
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    Caboodle UX Studio is a design company located in Winchester, Hampshire, England. Their team of around five employees provides UX/UI services and custom software development for businesses of all sizes. Primarily, they work in the financial and consumer services industries.  

    Clients

    • AllianceBernstein
    • Visa
    • Ipsos Mori
    • EMVCo

    Industries

    Notable Project

    Caboodle UX Studio created a new website for a freelance producer and director who wanted to highlight their work. The portfolio site featured the client's past works and upcoming projects.

    "I was most impressed by their creative skills and technical knowledge."

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  • 25
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Propeller is a web design and development company that was founded in 2000. Headquartered in London, with another office in New York, they have a team of over 55. They specialize in e-commerce development, email marketing, web design, and SEO or clients in the hospitality, leisure, consumer products, and retail industries.

    Clients

    • Azzuri Restaurant Group
    • Twinings
    • Young's Pubs
    • MWELL - Kellogg's

    Industries

    Notable Project

    Propeller has created a managed pub website for a brewer and pub company. They work as a digital partner agency providing web-related tasks to the company, including API redevelopment and SEO.

    "They are an innovative and excellent web agency."

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  • 26
    • Scheduling

      4.6
    • Quality

      4.5
    • Cost

      4.4
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Catch is a digital experience agency founded in 2007. Based in London, United Kingdom, they also have an office in Madrid, Spain, and a team of over 30 employees. They specialize in web development, UX/UI design, and content marketing. 

    Clients

    • Sharp
    • Tony Blair Institute
    • Worldpay
    • The Body Shop

    Notable Project

    Catch refurbished the website of an investment management company to improve their online presence. They've used Figma to rebuild the UX, upgraded the system to Drupal 9, and hosted the site via Acquia and AWS.

    "We’re most impressed with their team’s adaptability — they work within our schedules and stick to our project scope."

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  • 27
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    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.

    Clients

    • Tesco News UK
    • The Times
    • CCleaner
    • Channel 4

    Industries

    Notable Project

    Novoda configured a desktop application and built an Android prototype for a system-optimization software company. Their team coded the main functionalities and inserted an in-app purchasing feature. The app gained over 50 million downloads and a 4.4-star rating on the Google Play Store.

    "Last December, monthly revenue for CCleaner was about $100,000. I attributed these metrics to the freemium model and Novoda’s collaborative efforts." – Head of Product, System Optimization Company

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  • 28
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Digital product studio Series Eight is located in London. Since the company's founding in 2014, their small team of five has specialized in web design and development, UX/UI design, branding, and more with primarily small and mid-market businesses.

    Clients

    • Kuoni
    • Cardconnect
    • First Data
    • Trōv

    Industries

    Notable Project

    Series Eight provided development upgrades for a Shopify website, creating a new filter system, page type, and more. They now provide ongoing maintenance for the client. 

    "Their team did a great job on our site. It looks exactly how we want it to."

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  • 29
    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom

    Passionate, a web design company, was established in 2018. The firm focuses on web design, ux/ui design, logo, custom software development, and more and has a small team.

    Industries

    Notable Project

    Passionate Design Agency developed a WordPress site for an IoT startup. They also updated the client's imagery, style, fonts, and look and feel.

    "Their creativity and speed were impressive."

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  • 30
    • $50,000+
    • 50 - 249 employees
    • Reigate, United Kingdom

    Sonin is a mobile app development agency based in Reigate, England, and was founded in 2008. Their team of 28 employees specializes in mobile app development, web development, and UX/UI design.

    Clients

    • FatFace
    • Morrisons & Schwartz
    • esure
    • The British Museum

    Industries

    Notable Project

    Sonin App Development provides ongoing mobile app development for a real estate company. The team is developing a property management software that will be available for iOS, iPadOS, Android, and web.

    "The team from Sonin was instrumental in helping us build the platform."

    Visit Site

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