Top 100 Usability Testing Companies in the United Kingdom

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Top 100 Usability Testing Companies in the United Kingdom

February 2023

Looking 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. 

Jump to Most Reviewed Companies

List of the Best United Kingdom Usability Testing Services

  • 1
    • 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 has collaborated with a market research company to design the UI/UX of their product. Their work has included a thorough discovery phase with interviews, as well as a knowledge transfer process.

    “Our experience working with Lighthouse has been extremely positive; they’ve been a fantastic partner.”

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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

    With the end goal in mind to increase usage, Creative Navy improved the lead management system, re-designing the interface to make it easier to use, more intuitive, and kinder on the eyes.

    “I liked that we were partners in this and that Creative Navy didn’t act like a service provider.”

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  • 3
    • Scheduling

      4.6
    • Quality

      4.7
    • Cost

      4.0
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Martlesham, United Kingdom

    Coderus is a software and mobile app development company based in Martlesham Heath, U.K., with offices in Cambridge and Norwich, U.K. The company, founded in 1998, has a team of more than 30 that provides mobile app development, IoT development, UX/UI design, product design, IT strategy consulting, wearable app development, and application testing services. Coderus serves small and larger-sized companies in various industries that include consumer products & services.

    Clients

    • INEOS Team UK (America's Cup)
    • EO Charging
    • Bowers & Wilkins
    • ELGA Veolia

    Industries

    Notable Project

    To automate and simplify the organization's processes, a recruitment company hired Coderus to build a code foundation. They were tasked with building, testing, and annotating scripts for the client.

    "Coderus made every part of the process quick and easy for us, unlike the other developers we've worked with."

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  • 4
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.8
    • NPS

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

    Founded in 2018, Together is a creative agency. Their team of around 10 employees is based in London. They focus on web development and design and branding.

    Clients

    • Mosaic
    • SeedLegals
    • Amazon
    • Coast

    Industries

    Notable Project

    A financial services company hired Together to provide web development. Their efforts have also included branding tasks, like marketing strategy, color schemes, and copywriting.

    "I genuinely think they're the only design brand I'd recommend."

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

    Atomic Digital Marketing is a digital marketing agency headquartered in Stretton Warrington, United Kingdom. Founded in 2016, their team of 4 provides SEO, web design, PPC management, and social media marketing. Their specialties are WordPress development and Facebook advertising. 

    Clients

    • Rocambolesque
    • Enbi Global Inc
    • Savants UK
    • The Student Lawyer

    Industries

    Notable Project

    Atomic Digital Marketing developed and designed a website for a dog walking and dog sitting company. The team optimized the site for SEO and provided social media management services.

    "Their affordability and lead time set them apart."

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  • 6
    • 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 was hired by a health tech startup for web design services. The team handled every stage of the project.

    "Everything was simple and clear."

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  • 7
    • $25,000+
    • 2 - 9 employees
    • London, United Kingdom

    Super User Studio is a design consultancy headquartered in London, with an office in Bath, United Kingdom. Since 2008, their small team of 9 has been specializing in UX/UI design for mainly enterprise-level clients. They primarily serve clients in the business services and financial services industries. 

    Clients

    • Capita
    • Dunnhumby
    • Gain Theory
    • Acturis

    Industries

    Notable Project

    Super User Studio analyzed UX for several websites. They focus on improving the user journey, increasing follow-through rates, and visualizing that data in order to advise and improve business decisions.

    "The reason I chose them in the first place is because they actually challenged my thinking."

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  • 8
    • Scheduling

      4.4
    • Quality

      4.7
    • Cost

      4.3
    • 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

    NEVERBLAND has helped a cocktail business completely redesign their Shopify website. They’ve incorporated new features, applied optimizations, and made the site’s backend more user-friendly.

    "They’re very good at meeting our deadlines."

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  • 9
    • $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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  • 10
    • 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

    A marketing agency partnered with hiyield to develop a site that would better represent their brand. The team was in charge of creating mood boards and wireframes, fixing bugs, and conducting final reviews.

    "They're freaking awesome. They do great work and are a pleasure to work with."

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  • 11
    • $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 global consulting company hired UX Connections to provide UI/UX design. The client gave them the creative freedom to design a clean, modern, and simple interface for their product.

    ''Collaborating with them was amazing.''

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  • 12
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.0
    • NPS

      4.5
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • Lurgan, United Kingdom

    GCD is a custom software development company. Established in 1999, the team specializes in custom software development, ux/ui design, application management & support, mobile app development, and more. Their small company is Lurgan, United Kingdom-based.

    Industries

    Notable Project

    GCD has developed a library’s WordPress website and their digital platform in PHP with a CollectionIndex+ API. The two platforms are integrated, allowing users to browse the client’s collection on the frontend. 

    “GCD is approachable and easy to work with.”

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  • 13
    • $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

    A household staff recruitment agency hired Kitty to rebrand the company and develop their website from scratch. The goal was to improve customer and candidate conversions.

    "I couldn't be happier with the outcome."

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  • 14
    • Scheduling

      4.4
    • Quality

      4.6
    • Cost

      4.6
    • NPS

      4.8
    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

    A logistics company hired Glance to create an MVP of their custom booking and sales system. The service provider subcontracted this development work to complete the build.

    "I think more transparency would have helped me make better informed decisions."

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  • 15
    • $50,000+
    • 50 - 249 employees
    • York, United Kingdom

    Netsells is an app development agency based in York, UK. The agency was founded in 2009 and now employs a team of about 30. Netsells specializes in mobile app development, but also provides web development and UX/UI design services. Most of Netsell's clients are small to midmarket businesses.

    Clients

    • Hiscox
    • Uber
    • Trainline
    • Warburtons

    Industries

    Notable Project

    Netsells designed and developed the client’s website and integrated their existing booking management system. The agency also provides SEO marketing services.

    "With Netsells, you get a lot of added value you get beyond what you pay for.. Netsells is very collaborative."

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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

    Browser London provides WordPress web design and development services for a London government office. Their work is ongoing with updating site functionality and a scheduled site rehaul in the near future.

    "They're always ready to help us in whatever way they can."

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  • 17
    • Scheduling

      4.5
    • 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

    Fortnight provided website creation and app development. They built an interactive app for a digital offering. 

    "We are really happy with this partnership."

    Visit Site
  • 18
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

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

    Founded in 2017, LoveGunn is a London-based branding and design firm. Their team of fewer than 10 serves small to midmarket businesses across a range of industries. Services include branding as well as web, UX/UI, and graphic design.

    Clients

    • Chelsea Football Club
    • Jungle Creations
    • Iconic Labs
    • Jealous Sweets

    Industries

    Notable Project

    LoveGunn delivered a complete rename and brand refresh to the junior member program of a major professional football team. They provided color schemes, designs, and advertising content.

    “They’re very flexible and quick to react to any challenges that arise over the course of the project.”

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  • 19
    • $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 designed a functional prototype to meet the different regulations of several markets. They also designed numerous research reports to not only clearly present data but also engage readers.

    "Their open-mindedness was most impressive to me. Their team was willing to try different ideas."

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  • 20
    • Scheduling

      4.8
    • Quality

      5.0
    • 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

    TBD

    "Quote."

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  • 21
    • Scheduling

      4.5
    • Quality

      4.9
    • Cost

      4.3
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Cardiff, United Kingdom

    Box UK is an enterprise software development company based in Cardiff, UK, with an office in London. The company, founded in 1998, has more than 50 employees who provide, among others, custom software development, web development, and enterprise app modernization services to various businesses. 

    Clients

    • OKdo.com
    • Investec Asset Management
    • ateb
    • Welsh Government

    Industries

    Notable Project

    To revamp a gaming publisher’s website, Box UK audited the site to analyze its traffic, user needs, and functions. They then identified a new tech stack and rebuilt the site on WordPress.

    “They make sure that they’re delivering the best that they possibly can.”

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  • 22
    • 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 developed native iOS and Android apps focusing on UX/UI, including user navigation and personalized subscriptions. They continue to build out video functionality and provide technical support.

    “They are our go-to people when we need top-quality work done well and done quickly.”

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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

    A parenting app provider hired Digiruu to develop a prototype and website they could use to pitch their ideas to investors. They explored the HLRs, designed the app, and built the prototype and website.

    "Digiruu were a total delight to work with — their knowledge, expertise, commitment, and service were faultless."

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  • 24
    • Scheduling

      4.6
    • Quality

      4.6
    • 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

    Industries

    Notable Project

    Catch delivered a web platform for a professional association’s members and a Salesforce CRM. They worked with third-parties to build and integrate custom APIs and delivered an authentication feature.

    "The project underwent acute changes, including in project managers, and Catch dealt with it all with panache." 

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  • 25
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.8
    • NPS

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

    MAJOR is a small web development firm. Headquartered in Brighton, United Kingdom, the agency was founded in 2007. Their team focuses on web development, branding, web design, and custom software development.

    Industries

    Notable Project

    MAJOR built a website for a trade union. They initially conducted user research before designing and developing the site.

    "I found working with MAJOR very easy, and their responsiveness was at an utmost professional level."

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  • 26
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 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

    • Chelsea FC
    • Grant Thornton
    • Hall & Partners
    • The Wildlife Trust

    Industries

    Notable Project

    Furthermore worked to design a platform to establish a guided selling experience for a software company’s salespeople. The team interviewed stakeholders in an extensive feedback session before prototyping.

    They were able to listen very effectively to understand the exact scope of work.”

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  • 27
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • 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

    Following the discovery meetings, a leisure destination company collaborates with Propeller to handle the entire website development process, from wireframe and design to the launch and post-launch phases. 

    "There have been clear and thorough steps during our working relationship with Propeller."

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  • 28
    • $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 was tasked with revamping the website of a SaaS company. The site was expected to be more user-friendly and help people better understand the client's services.

    "We were very happy with their services and wouldn't hesitate to recommend them."

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  • 29
    • Scheduling

      4.7
    • Quality

      4.7
    • Cost

      4.3
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 2 - 9 employees
    • Gateshead, United Kingdom

    ARCH is a digital solutions firm specializing in the design, development, and hosting of websites, mobile apps, and business systems. They also have extensive experience in e-commerce, intranet, e-learning, CMS and CRM systems. Founded in 2005 and headquartered in London, with an office in Gateshead, U.K., their team consists fo fewer than 10 employees. 
     

    Clients

    • Nestle
    • So Vegan
    • NHS Engalnd
    • SKIN

    Industries

    Notable Project

    ARCH developed a mobile app for an independent charity, mainly focusing on the app's UX. They initially had a discovery meeting to identify the client's goals and agreed on the project's scope and technology. 

    "The initial response has been great."

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  • 30
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Leeds, United Kingdom

    Eden Agency is a digital agency based in Knaresborough, UK. It was founded in 2007 and now employs a team of 21 that provides web design, digital strategy, web development, mobile app development, UX/UI design, social media marketing, and AR/VR development services.

    Clients

    • Link Group
    • McCain
    • Switch2
    • Minster Law

    Industries

    Notable Project

    With the goal of updating a financial business from paper to digital documentation, Eden Agency constructed an entire system, including its user journey, visuals, and structure. 

    "[T]hey actually came in and contributed to the thinking and design process."

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