The 10 Best User Testing Companies in The United Kingdom - 2025 Reviews

Top User Testing Companies in The United Kingdom

Which one is the best for your company?

Takes 3 min. 100% free
192 companies
Search location
Ratings
Budget
Elevate your digital products with the UK's leading User Testing companies and experts. Our carefully selected roster showcases top-tier professionals specializing in user experience evaluation and optimization. Explore each company's portfolio and client testimonials to find the perfect match for your project needs. Whether you're developing a website, mobile app, or software, these User Testing specialists can provide invaluable insights to enhance usability and user satisfaction. Need help finding the ideal User Testing partner? Sortlist allows you to post your specific requirements, enabling the UK's finest User Testing experts to reach out with tailored solutions. From usability studies to A/B testing, discover the expertise you need to create user-centric digital experiences that drive engagement and conversions.

Top Featured User Testing Companies

All User Testing Experts in The United Kingdom

  • 5
    (22 reviews)

    Only senior designers. Evidence-based approach.

    Highly recommended
    Top awarded
    At home in the UK and Germany, we are probably the oldest company in Europe specialised in UX and UI. Our team is formed only of senior designers with 8+ years of experience. Going beyond webapps and mobile apps, we're the foremost experts in embedded systems.
    2 works in User Testing
    Located in London, United Kingdom (+7)
    From €1,000 for User Testing
    Worked in Technology Hardware & Equipment (+24)
    Speaks English, Finnish(+5)
    11-50 members
  • 5
    (10 reviews)

    We help data-driven businesses grow through world-class digital product and branding design solution

    Top awarded
    Qubstudio is a globally recognized Digital Product Design Agency founded in 2007. We have been long-term partners of worldwide digital-first companies. We design digital products and brands in various industries, such as financial, logistics, medical, educational, and entertainment. For five years in a row, our agency has been globally recognized as a Top UX Design Agency by Clutch. We have received the Red Dot Best of the Best Design Award, Red Dot Design Award, UX Design Award, and others. Our team is 70 highly-qualified creative professionals working on a wide range of design and development. Together we form a community of open-minded people ready to solve complex business issues.
    Looking for work in User Testing
    Located in Lviv, Ukraine (+1)
    From €1,000 for User Testing
    Worked in Education (+15)
    Speaks English, Ukrainian
    51-200 members
  • 5
    (2 reviews)

    We specialise in building high-performance teams to power your entire marketing engine.

    A trusted UK agency of 20 years, our unique partnership model has been the foundation for our client's success. Working with brands all over the world, our dedicated digital teams have driven significant results for our clients tech platforms and performance marketing.
    Looking for work in User Testing
    Located in Warwickshire, United Kingdom
    From €10,000 for User Testing
    Worked in Others (+8)
    Speaks English
    11-50 members
  • 5
    (2 reviews)

    Product and Innovation Design

    THINGS IS a product & innovation design agency for disrupting global B2C/ B2B markets. We design compelling experiences for hybrid (IoT) or pure digital products & services (including any kind of functional touchpoints: physical devices, web apps/sites, mobile apps, environmental...) and communication touchpoints (websites, interactive showcases, video tutorials, packaging, brochures...). We create easy, immediate & natural (voice, gesture, haptic) interactions to increase inclusivity and bring real value to every stakeholder and user.
    Looking for work in User Testing
    Located in Milan, Italy (+1)
    From €5,000 for User Testing
    Worked in Consumer Electronics (+7)
    Speaks English, Italian
    11-50 members
  • 5
    (8 reviews)

    We collaborate with purpose-driven organisations to create tech solutions that empower communities

    Top awarded
    Working together across the UK, Gaza, and the EU, we’re committed to designing and developing digital solutions that can drive positive, transformational change. We partner with non-profits, NGOs, and impact-driven businesses to create innovative solutions through technology that address societal challenges, spread knowledge, and transcend borders. If you are looking for a trusted digital partner to help amplify your impact, then get in touch. Why We Are the Partner You Need to Solve Your Problem Leverage the impact of digital with a partner you can trust You know the problems you want to solve, but it can be challenging to know how to use technology effectively. We collaborate with our partners in an open, transparent manner to identify and build digital solutions that amplify your impact and accelerate behavioral change. Create Innovative and Sustainable Solutions We are genuinely committed to tackling societal challenges with you. This means not just creating a product and moving on, but working with you over the long term—building, learning, and iterating with your community to provide lasting impact and amplify sustainability. Unlock Funding and Achieve More with Your Resources We assist our partners in finding and securing grants or investments. We create digital tools in a cost-efficient way, focusing on impact that can be tracked and demonstrated to secure the next round of funding. Our Focus Areas To achieve our mission, we have focused on a number of areas where we combine our digital expertise with partners to deliver digital solutions. Community Resilience and Wellbeing: We support organisations in simplifying complex social issues, providing digital tools for universal credit claims, personal independence payment benefits, cost of living assistance, and housing support. Our commitment lies in addressing these pressing challenges through digital innovation and user-centric design. Education and Empowerment: We believe education should be accessible to all. Our expertise spans e-learning platforms, digital literacy programmes, remote learning tools, and bespoke training resources, all designed to foster inclusive and accessible education for learners of all backgrounds. Healthcare Access and Equity: Our healthcare partnerships focus on creating groundbreaking solutions that bridge gaps in access and delivery. We develop telemedicine platforms, medical professional networks, research and evaluation systems, and other technologies that enhance patient care and streamline healthcare services for all. Advocacy and Civic Engagement: We collaborate with unions and grassroots movements to develop impactful campaigns, create digital platforms for advocacy, harness the power of crowdsourcing, and offer tools to enhance public engagement. By leveraging our expertise in public policy and digital communication, we empower organisations to drive meaningful societal change and influence policy decisions. Volunteer Mobilisation and Impact: We partner with charities and community groups to build effective volunteer engagement systems, making volunteering more accessible, meaningful, and scalable. Our work includes developing comprehensive volunteer management platforms, skills-based matching systems, and time-banking solutions that maximise the impact of volunteer programmes. Sustainable Agriculture and Environmental Stewardship: Our expertise extends to partnering with organisations focused on food security, climate action, and biodiversity conservation. We collaborate to create digital tools for sustainable farming practices, develop climate resilience strategies, and support initiatives aimed at reducing carbon footprints and promoting circular economy principles.
    Looking for work in User Testing
    Located in Greater London, United Kingdom
    From €3,000 for User Testing
    Worked in Non-profit (+5)
    Speaks English, Arabic(+2)
    11-50 members
  • 4.7
    (18 reviews)

    You need design done. Just get it!

    Top awarded
    Your brand designs are too important to be left in the hands of unreliable freelancers or expensive creative agencies. Why not hire an experienced, full-time designer who knows you by name and your brand by heart? Since its creation, Duck.design has been able to capitalize on a number of areas that currently constitute its strength: - Logo, Brand Guide, Style Guide; - Graphic Design; - Web Design; - UI/UX Prototyping; - 3D Design; - Game design; - Explainer Video, 2D Animation, GIF.
    Looking for work in User Testing
    Located in Greater London, United Kingdom
    From €1,000 for User Testing
    Worked in Banking & Financials (+8)
    Speaks English, German(+2)
    51-200 members
  • 5
    (5 reviews)

    Reach your digital potential

    Top awarded
    We’re GRM Digital, an award-winning, full-service web development and digital marketing agency based in Leeds, London, Sarajevo, Amsterdam and Islamabad. Since 2009, we've been helping world-leading brands grow by providing high-quality, robust web development, SEO and digital consultancy, backed by in-depth research and analysis.
    Looking for work in User Testing
    Located in West Yorkshire, United Kingdom (+4)
    From €1,000 for User Testing
    Worked in Education (+6)
    Speaks English, Croatian(+2)
    11-50 members
  • 4.9
    (12 reviews)

    The last word in digital

    Recommended
    Top awarded
    At Propaganda Solutions, we believe marketing should be accessible, effective, and built for real business growth—not just empty metrics. That’s why we’ve redefined digital marketing with a science-backed, psychology-driven approach that puts you in control. We specialize in SEO, paid media, social, web development, and performance analytics, crafting strategies that don’t just generate clicks, but drive real influence and long-term customer trust. Our unique AI-powered tools and deep expertise in human behavior and decision-making mean we don’t just market—we engineer outcomes. If you want marketing that’s built on clarity, control, and measurable success, you’re in the right place. Let’s transform your business together. 🔹 Data-led. Influence-driven. Results-proven. 🚀 Let’s talk. German Version Bei Propaganda Solutions glauben wir, dass Marketing zugänglich, wirkungsvoll und auf echtes Geschäftswachstum ausgerichtet sein sollte – und nicht nur auf leere Kennzahlen. Deshalb haben wir digitales Marketing neu definiert – mit einem wissenschaftlich fundierten, psychologisch optimierten Ansatz, der Ihnen die Kontrolle gibt. Wir sind Experten in SEO, Paid Media, Social Media, Webentwicklung und Performance Analytics – und entwickeln Strategien, die nicht nur Klicks generieren, sondern echte Einflussnahme und nachhaltiges Kundenvertrauen schaffen. Unsere KI-gestützten Tools und unser tiefes Verständnis für menschliches Verhalten und Entscheidungsfindung sorgen dafür, dass wir nicht einfach nur vermarkten – wir konstruieren Ergebnisse. Wenn Sie Marketing wollen, das auf Klarheit, Kontrolle und messbarem Erfolg basiert, sind Sie hier richtig. Lassen Sie uns Ihr Business gemeinsam transformieren. 🔹 Datenbasiert. Einflussstark. Ergebnisorientiert. 🚀 Lassen Sie uns sprechen.
    Looking for work in User Testing
    Located in Berlin, Germany (+1)
    From €1,000 for User Testing
    Worked in Construction (+12)
    Speaks English, German(+3)
    11-50 members
  • 5
    (1 review)

    We help businesses like you thrive online using our custom digital solutions.

    We specialise in app and web development , software solutions , and digital content creation. We work with well-known brands such as Hornby Hobbies and Tarmac as well as celebrities including Jim Moir , and small and medium-sized local businesses. Our clients like the fact that we are responsive, easy to work with, and completely focused on delivering results that make a difference. Web & Mobile App Development – Creating visually stunning websites and building robust, intuitive mobile applications. Custom Digital Platforms – Tailored development of CMS and platforms, including e-commerce solutions (WooCommerce, Shopify, Squarespace). Digital Marketing & SEO – Enhancing online visibility through targeted campaigns across social media, email, web, and search engines. E-learning & CPD Solutions – Development and conversion of CPD and e-learning into online solutions. Content Creation – High-quality image, photography, and video production to support your digital strategy.
    Looking for work in User Testing
    Located in Kent, United Kingdom
    From €1,000 for User Testing
    Worked in Toys (+3)
    Speaks English
    1-10 members
  • 5
    (11 reviews)

    Сreating unique products to give others a chance to live out the best experience.

    Highly recommended
    Top awarded
    We’re an expert design & development team, turning product usage into the best experience. We dive deep into every project, exploring it from three angles: business ideas, design thinking, and technology. This is how ambitious 💡 ideas turn into 🚀 successful products. We're experienced in various industries but always up for new 💪 challenges. Check out the domains we've worked with: FinTech, EdTech, eSports, SaaS, and Mental Health. Got something new to add? Let’s create the best digital experience for your business together! 📩 [email protected]
    Looking for work in User Testing
    Located in Greater London, United Kingdom (+1)
    From €3,000 for User Testing
    Worked in Software & Computer Services (+6)
    Speaks English, Ukrainian
    11-50 members
  • 4.9
    (17 reviews)

    The Right Agency For Your Digital Marketing Needs

    Highly recommended
    Top awarded
    Adapts Media is a creative marketing agency specializing in curating multi-pronged marketing strategies. Our experts will help you discover the best opportunities and execute campaigns to drive higher ROI for your business.
    Looking for work in User Testing
    Located in Dubai, United Arab Emirates (+3)
    From €1,000 for User Testing
    Worked in Consumer Electronics (+20)
    Speaks English, Arabic(+5)
    51-200 members
  • 5
    (3 reviews)

    Best Mobile App Development Agency in the UK

    Top awarded
    At Evangelist Apps, we're not just app developers; we're pioneers in crafting mobile solutions. Our ethos revolves around guiding clients with innovative solutions and industry best practices in specialized app development. Our journey in app development is marked by adherence to stringent quality standards and a commitment to delivering cost-effective, efficient, and high-quality solutions. Our portfolio boasts a diverse range of apps, each showcasing our ability to handle complex challenges with ease. We stand out as a dynamic app development company, boasting a skilled team and an impressive global client roster, including British Airways, BBC, UBS, KLM Airlines, Hastens, Virgin Money, News International, Channel 4, and BMJ. Our offshore development model not only ensures cost-effective solutions but also guarantees superior software quality. Why Us Over 2 decades of specialized expertise. A robust app development team. Cost-effective solutions without compromising quality. Agile methodology ensuring regular updates and builds. Comprehensive end-to-end project delivery. Our Expertise Proficient in developing apps across all platforms: Native iOS, Android and Cross Platform (React Native and Flutter) Develop user centric UX/UI designs Utilizing the latest app development toolkit and best practices. Dedicated to quality with specialized teams for testing, configuration management, and project management.
    1 work in User Testing
    Located in Hampshire, United Kingdom
    From €2,000 for User Testing
    Worked in Banking & Financials (+2)
    Speaks English
    11-50 members
  • 5
    (6 reviews)

    High-impact digital products. Thoughtfully crafted solutions driven by data and creativity.

    Pixie Labs is a leading London-based digital product studio. We partner with ambitious organisations to design and build high-impact apps, platforms and digital tools. Whether you're at the ideation stage, need help with user-centric design, are ready to build a rock-solid platform or app, or want to improve an existing product - we can help. We'll partner with you to deliver a unique solution to achieve your unique business goals.
    Looking for work in User Testing
    Located in London, United Kingdom
    From €3,000 for User Testing
    Worked in Government & Administration (+6)
    Speaks English
    1-10 members
  • 5
    (2 reviews)

    Creativit Meets Strategy

    Recommended
    Creative X Growth is a full-service digital marketing agency committed to delivering innovative and data-driven solutions that empower brands to thrive in the digital world. We specialize in crafting customized strategies that drive growth, combining expertise in SEO, online advertising, social media, and web design. Our passionate team of creatives, strategists, and analysts works closely with clients to transform their digital presence, boost engagement, and achieve measurable results. At Creative X Growth, we believe in the power of collaboration, creativity, and transparency to create lasting impact and success.
    Looking for work in User Testing
    Located in Greater London, United Kingdom
    From €1,000 for User Testing
    Worked in Clothing & Accessories (+3)
    Speaks English, Arabic(+2)
    11-50 members
  • 5
    (5 reviews)

    We combine research, UX and technical strategy for outcome-focused innovation and transformation.

    Full Clarity is a Digital Product and Service Design Consultancy, bringing together research, UX design and technical strategy to deliver outcome-focused innovation and transformation. Our expertise has delivered impactful digital experiences for clients such as ITV, Harrods and Gov.uk, built on our tried and tested process to deeply learn, adapt and optimise for user needs. Whether working on new product development, platform modernisation or improving customer experiences, we deeply understand the challenges and opportunities to create intuitive solutions to complex problems.
    2 works in User Testing
    Located in Farnham, United Kingdom
    From €10,000 for User Testing
    Worked in Software & Computer Services (+4)
    Speaks English
    11-50 members
  • 4.8
    (10 reviews)

    Take the software path to your digital future

    Highly recommended
    Top awarded
    Andersen is a leading software development company with a strong focus on technology-intensive industries. Since its founding in 2007, the company has opened 16+ development centers in the USA and Western Europe. For over 16 years we have been helping enterprises around the world to transform business by creating effective digital solutions with the use of innovative technologies. Andersen has completed over 1000 projects in each industry and received hundreds of positive reviews from customers. Today, the company is working on over 250 global projects. Andersen has a rich front-end, back-end, and mobile stack. 90% of recurring customers mention that Andersen's advantages are fast delivery, ongoing support, and accessible prices. Most of our developers have 10+ years of experience and have successfully delivered many projects. 3500+ qualified experts are ready to implement your idea into the real world. 2024 is going to be a year of digital transformation for all industries. Stay on top of your performance with our IT talent!
    2 works in User Testing
    Located in Greater London, United Kingdom (+8)
    From €10,000 for User Testing
    Worked in Hospitals & Healthcare (+24)
    Speaks English, Arabic(+2)
    1001-5000 members
  • 5
    (6 reviews)

    PRODUCT DEVELOPMENT TAILORED FOR YOUR BUSINESS

    Recommended
    Magora is a Web & Mobile Development Company that offers digital services to businesses across a broad range of industries, including Pharma & Medtech, Edtech, eLearning and eCommerce. Whether a B2C or a B2B project, iOS or Android app, first of all, we take the time to understand your goals, your product and the end-user’s needs. Our software development cases are loved by users for their convenience and appreciated by customers for the real value they add to your business.
    Looking for work in User Testing
    Located in London, United Kingdom
    From €5,000 for User Testing
    Worked in Consumer Electronics (+9)
    Speaks English
    11-50 members
  • 4.9
    (73 reviews)

    Let’s Give Wings To Your App

    Highly recommended
    TechGropse is an Indian-based mobile app development company that specialises in providing one of the best solutions worldwide. Having over 7+ years of experience in this industry, we provide functional application, maintenance and support services. Our team of professionals are well-versed in building applications using different technologies such as IoT, Blockchain, AR/VR and many more. As a customer-oriented agency, we understand the requirements of our clients and try to fulfil them on time. Our team of experienced professionals are also passionate about their work, doing everything with dedication. They are well-versed in building modern and fast-loading applications, including modern technologies and trends. This agency completed several projects worldwide at a pocket-friendly price. As a leading name, it understands the value of time, which is why it makes sure that the project is delivered on time. Our professional team is proficient in easily completing complex projects and troubleshooting issues that may affect your project. We Can Help You With: Provide quality mobile app development services. Streamlining the testing procedure in order to detect issues and features efficiently without sacrificing quality. Partnership Advantages: Deep knowledge of different programming languages 100% transparency Effective communication Dedicated team with years of experience UX testing Technology we Use Programming Objective-C Swift Flutter React Kotlin Framework React Ionic Google Fit SDK AR Core Google Assistant SDK UI/UX Design Photoshop Illustrator Sketch Figma XD Backend PHP .Net Laravel Node.Js Python Cloud Amazon AWS Microsoft Azure Google Cloud Digital Ocean Firebase We are committed to providing you with ultimate solutions that are modern and advanced. We work with several enterprises and provide one of the best services to all our customers. In order to opt for the best services, contact us for a free consultation.
    1 work in User Testing
    Located in Dubai, United Arab Emirates (+2)
    From €1,000 for User Testing
    Worked in Clothing & Accessories (+13)
    Speaks English, Arabic(+3)
    51-200 members
  • 5
    (2 reviews)

    Scale your engineering teams with SENLA

    Top awarded
    SENLA is a leading Talent Augmentation provider in Europe, offering access to over 700 highly skilled tech professionals . Trusted by global leaders such as BOSCH, IKEA, Bayer, and Deloitte, we specialize in enhancing tech teams with top-tier engineers, architects, and data scientists. Our proven talent system guarantees 95% client satisfaction and a 94% staff retention rate . With flexible options including individual experts, dedicated teams, or development centers, we can launch new teams in as little as 10 days . Since 2012, we’ve delivered over 350 successful projects across a wide range of industries. Our approach focuses on: Rapid access to pre-vetted tech talent; Building tailored teams that fit your unique requirements; Effortless integration with your workflows; Reliable ongoing support and quality assurance. Ready to transform your tech capabilities? Partner with SENLA and discover the unmatched value of expert Talent Augmentation.
    Looking for work in User Testing
    Located in Warsaw, Poland (+1)
    From €10,000 for User Testing
    Worked in Retail (+15)
    Speaks English, German(+1)
    501-1000 members
  • 4.7
    (4 reviews)

    Fixing F🤬cked Up Brands and Websites Fast

    Armed with our zero-bullsh*t framework, clear communication and lean design approach, we transform your business in weeks. Branding: Develop a brand strategy and create an identity that resonates with your audience. Websites: Design and build your website using Webflow. We also use our 20 years in tech to help your software look its best and deliver a solid experience to your users. UX Roadmap Audit: Evaluate the state of your Product's UX and UI. UX Design Sprint: 30 days of Unlimited UX and UI design support from a team of experts.
    4 works in User Testing
    Located in Eccles, United Kingdom
    From €1,200 for User Testing
    Worked in Software & Computer Services (+14)
    Speaks English
    1-10 members

Struggling to choose? Let us help.

Post a project for free and quickly meet qualified providers. Use our data and on-demand experts to pick the right one for free. Hire them and take your business to the next level.


What are the criteria of selection for the best User Testing in United Kingdom?

What is User Testing?

Before starting to specify your requirements for your next User Testing project, it's very important to understand what it's about. The digital age has never been so diversified in matter of the particular set of skills that our User Testing providers will be able to assist you with. Employing the ideal agency for your job starts with the ideal definition of your needs.

In a nutshell, user testing is an evaluation method where you invite users to test your product and give them tasks. You can learn what works and what doesn't, then use the findings of these tests in concrete design decisions.

User Testing vs Usability Testing

User testing is the technique which assesses user responses during actual use of a product or brand, whereas usability testing refers to designing and conducting tests on a design with the purpose of identifying features, which impede or enhance its usability.

User evaluation identifies a procedure utilized by applications programmers to test out a product, module or program with actual users. There are various reasons why you may want to experience user testing, so the most popular reason since it enables the specialized design team to uncover usability problems within a user interface that they are designing, even before they are released or built. User Testing also identifies any potential defects or glitches in the performance of the program or application that the programmers may not have noticed during testing. User Testing Definition indicates that User evaluation refers to the capability for users to experience the advantages of new software or hardware, and also to offer feedback to developers about their experiences. This report tries to explain the User Testing Definition, what it implies, and ways to use it to effectively conduct User Testing throughout your job.

What can User Testing agencies do for you?

When it comes to User Testing, clients may expect various kinds of services and/or deliverables from our services. In Sortlist, We've seen a trending need in United Kingdom for solutions which included:

  • Usability testing
  • User-experience testing
  • User research (interviews, surveys, observations)
  • Task analysis and design (for usability) and so on…
  • Get users to use your product
  • Understand the usability of the product

Introduction

Sortlist has compiled a list of the best user testing agencies in United Kingdom. User testing is a valuable tool to help you understand how your product or service is being received by your audience. Check out the range of services and rates offered by these top United Kingdom user testing agencies.

Discover what other have done.

Get inspired by what our companies have done for other companies.

Daimler Case Study

Daimler Case Study

a heart for Human Rights with BIC-RHR

a heart for Human Rights with BIC-RHR

Vodafone Pay | Dedicated Expert

Vodafone Pay | Dedicated Expert