Top 100 Usability Testing Companies in London

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Top 100 Usability Testing Companies in London

May 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
    • $10,000+
    • 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 designed the UI/UX for a digital therapeutics company's application. They conducted initial research, evaluated existing wireframes, and delivered UX prototypes.

    "They established clear deliverable timelines and stayed on point."

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  • 2
    • $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

    Creative Navy designed a UI to help an automotive company consolidate their technology. They created a UX concept for the company’s product range and provided designs for car and wheel calibration systems.

    “Their technical capabilities set them apart.”

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  • 3
    • 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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  • 4
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    QubStudio, located in Lviv, Ukraine, focuses on UX/UI design. The company has about 25 employees on hand and more than 200 successful projects in its portfolio. The largest number of QubStudio's clients have been in information technology, but the company has also worked on advertising/marketing, business services, and consumer products projects. In addition, QubStudio provides customer support services.

    Clients

    • Oracle
    • Scoutbee
    • Go To-U
    • AXA

    Industries

    Notable Project

    Qubstudio redesigned and rebranded a warehouse management platform to align with a previous marketing side they'd designed for the same client. They implemented the new look and feel to much appreciation. 

    "Everything was spot on — on time and well within budget." 

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  • 5
    • Scheduling

      4.6
    • Quality

      4.8
    • Cost

      4.6
    • 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 provides mobile app development services for a bank. Their team built an Android and iOS app from scratch. Now, they handle maintenance and updates as well as resolve any issues that may arise.

    “Infinum has a young responsive team that’s well-equipped for what it does.”

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  • 6
    • 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 40+ 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 is providing mobile app development support for a messaging technology company. They specifically provide iOS and Android SDK support to streamline the client's development capabilities.

    “They’re a team of people we culturally mesh with and feel very comfortable working with.”

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  • 7
    • $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
    • EMC
    • Walmart

    Industries

    Notable Project

    Momentum Design Lab developed a set of wireframes to redesign the customer's platform. They validated the logic with customers and ensured the designs were ready for integration by the client. 

    "The nature of their relationship was very open and communicative. I wouldn’t have done anything differently." 

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  • 8
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.5
    • 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 (formerly Skookum) manages UX design and user testing for a financial services company. They research concepts, assist with journey mapping, track data, and assist with POS kiosk and API development.

    “Their production schedule allowed us to move faster on the project.”

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  • 9
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    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 was tasked with website maintenance and support for a human rights charity. They used Trello to manage the development process. They also completed a feature development sprint.

    "They didn't hesitate to challenge our thinking, deconstruct ideas, and propose solutions we may have overlooked."

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  • 10
    • $1,000+
    • 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 financial management company for their web development and branding services. The team's other tasks include ongoing maintenance and content creation.

    "Burst Digital helped us establish our branding and visibility."

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  • 11
    • $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

    Browser London created a simple software platform for a supply chain transparency firm. The client worked with a UI/UX specialist and a senior web developer to build the prototype. 

    "They were highly involved and engaging. We also came up with some good ideas for how to present information together."

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  • 12
    • $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

    A marketing and communications agency partnered with UX Connections for a UX design. The team manages service designs requirements, competitors reviews, personas, content audits, wireframes, testings, and more. 

    "They are easy to work with."

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  • 13
    • $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

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

    Industries

    Notable Project

    Ester Digital was in charge of rebuilding the outdated website of a venture capital firm. The new site was expected to be modern, engaging, user-friendly, and consistent with the client's branding.

    "Their team went above and beyond to meet our needs."

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  • 14
    • Scheduling

      4.9
    • 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 small web design company established in 2019. Their team offers web design, product design, ux/ui design, architectural design, and more. The firm is headquartered in Kyiv, Ukraine.

    Clients

    • Connect44
    • Nexte
    • Pokerhouse
    • Koto English

    Industries

    Notable Project

    Limeup developed the UI/UX design for an application featuring online poker. They defined the user flows and designed several mockups before producing the final product.

    "Their design was indeed easy to implement."

    Visit Site
  • 15
    • 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 Creative developed a mobile app for a student housing company to combine resident services in one platform. The team provides ongoing maintenance. 

    "It was the first app I’ve developed with an agency and it was by far the easiest and smoothest run I’ve done."

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  • 16
    • 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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  • 17
    • Scheduling

      4.5
    • Quality

      4.7
    • Cost

      4.5
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 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

    Fortnight was tasked with developing and designing the website of a mental health technology company. The site was expected to be consistent with the brand. Webflow was used as the platform.

    "We were impressed with their ability to respond swiftly to tasks."

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  • 18
    • 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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  • 19
    • 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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  • 20
    • $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 has developed a user-friendly mobile app for a personal training business. The app gives users access to training programs, as well as live workout sessions.

    "They always find ways to make my ideas come to life within the app."

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  • 21
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Headquartered in Kyiv, Ukraine, Sense Production is a web development firm. The small team offers web development, web design, ux/ui design, and e-commerce development and was launched in [node:field_pp_year_founded:value].

    Clients

    • SOVAjewels.com
    • Mirasvit.com
    • CustomPrint.market
    • Luxoptica.ua

    Industries

    Notable Project

    Sense Production has been hired by a print-on-demand business to create a modern website design. After their initial meetings and discussions, the client was pleased with the team's first version of the design.

    "The strengths of this company are solutions for e-commerce — design, UX/UI, and optimization."

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  • 22
    • Scheduling

      4.7
    • Quality

      4.5
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 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

    Osedea provided web development services for a technology platform. They advised the client on the technologies to use and the resources needed. Then, they developed the MVP from scratch using JavaScript.

    “They had the right people working on my project; the teammates understood it.”

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  • 23
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    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.

    Clients

    • Dormakaba
    • Hall & Partners
    • Heathrow Airport
    • Hachette

    Industries

    Notable Project

    Furthermore provided branding and web development services for a government-owned IT and services company. They ran workshops to produce a brand profile, then supported efforts to develop the new site and add content. Users have been delighted with the easy-to-navigate site, remarking on its improved design for information gathering.

    “Everything was communicated clearly and Furthermore made sure to provide subject matter experts to work with our team. They presented information in a professional way, especially around content development.” – Head, IT and Services Company

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  • 24
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    STAKK is a London-based mobile app company founded in 2020. With fewer than 50 employees, they specialize in mobile app development, web development, and UX/UI design for clients that work in various industries, such as IT, business services, and the government.

    Clients

    • The British Museum
    • Nivoda
    • London North Eastern Railway
    • Volopa

    Industries

    Notable Project

    Stakk provides web development and maintenance services for a fitness company. They rebuilt the website, revamping MemberPress and matching the UX to the client’s app. Currently, they provide site maintenance.

    "I appreciate the amount and depth of communication we get from Stakk."

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  • 25
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    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.  

    Clients

    • Kodak Alaris
    • Metlife
    • Silicon Labs
    • Ericsson

    Industries

    Notable Project

    A financial company hired Supercharge to provide Ui/UX design and web development. They created the platform from scratch and perform ongoing maintenance service to it.

    "If there’s a problem, they're available for us."

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  • 26
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    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 building a mobile app prototype for a digital workout startup. The vendor will also be maintaining the platform with continual testing and updates. 

    "They provide honest and trustworthy advice and feedback for the client's propositions."

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  • 27
    • $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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  • 28
    • $10,000+
    • 2 - 9 employees
    • Shoreditch, United Kingdom

    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. 

    Clients

    • Don't Buy Her Flowers
    • Bakels
    • Vetro Tooling
    • AIS

    Industries

    Notable Project

    Impact Media serves as the web development partner to an energy management consultancy. They have developed a network of websites for the client and are currently working to build an energy management database.

    "They have vast technical capabilities and always find a solution."

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  • 29
    • 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 is redesigning two websites for a beverage company. They’ve ensured the sites are functional for both desktop and mobile, and they’ve used Trello, Figma, and VideoDrops for the collaboration.

    "They’re very flexible, responsive, and friendly."

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  • 30
    • $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

    An online casino wanted to rebrand their business to align more as an entertainment brand. They hired We Are Kitty to create content, drive traffic to a new website, and engage with a new audience.

    "They are a young and dynamic that's friendly and committed."

    Visit Site

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