Top 10 UI/UX Design Agencies in the UK for 2026

Top 10 UI/UX Design Agencies in the UK for 2026
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15 mins read
Table of content
💡 UI/UX Design Services Delivered in One Package Ninja Promo is a top-rated UI/UX design agency in the UK that designs for functionality, aesthetics, and results. We do this by offering comprehensive packages that cover everything from strategy to research to design to optimisation. Every element is intentionally built to support your success metrics you set at the start. Click Here To Schedule Your Free Consultation Now

Nearly half of businesses (44%) believe that in order to improve their UX design process, they need to hire more designers. If they want to improve the research stage specifically, closer to 60% feel that it’s once again a matter of increasing their resources. 

Working with one of the hundreds of UX/UI design agencies in the UK can solve both these problems. By outsourcing your project to them, you don’t have to increase your own headcount or resources. Here are the best picks, each with an experienced team and latest tools.

List of the Best UX/UI Design Companies in the UK

1. Duck.Design

Duck.Design

Positioning itself as an all-in-one digital design company, Duck.Design is ideal for UK businesses looking for a partner that can handle every creative need. For teams focused specifically on improving their user experience, their team can work across web and mobile environments.   

They use a structured, end-to-end process and implement proven best practices to improve usability as well as accessibility. Data plays a key role in how they approach UI/UX design services, whether that’s visualising complex data in a dashboard or helping you define which performance metrics you should track. 

Details Information
📍Location London
⏳Founded 2020
🧑‍💻Team Size 11-50
💻Key Services
  • UI/UX Design
  • User Research
  • Data Visualisation
  • Wireframing
  • Prototyping
  • Web App Design
  • Web Development
💼Top Clients
  • Logitech
  • HSBC
  • Stripe
  • Anything SPF
  • Ionise
💸Pricing Plans start at $1,199 per month. 
📁Case Studies See case studies

Why Choose Them:

  • They charge a fixed monthly rate, eliminating any hidden costs.
  • All subscription plans include unlimited requests and revisions.  
  • Their UI/UX services are backed by a seven-day, money-back guarantee. 

2. Box UK

Box UK

Box UK takes a strong collaborative approach to UX/UI design by using interactive workshops and kickoffs to understand their clients’ visions. They also tailor their research methodologies and rely on both qualitative and quantitative data to solve your company’s specific challenge. 

After tackling the UX design aspect of the project, they’ll turn their attention to building your user interface iteratively. They use a similar approach and will involve all stakeholders during their sessions. This way, they reduce the risk by avoiding spending too many resources at the beginning and get key players’ support. 

Details Information
📍Location Cardiff
⏳Founded 1998
🧑‍💻Team Size 51-200
💻Key Services
  • UX Audits
  • User Research
  • Usability Testing
  • Accessibility Audits
  • Information Architecture
  • Responsive Website Design
💼Top Clients
  • World Vision UK
  • Thinkbox
  • Royal Yachting Association
💸Pricing Available upon request
📁Case Studies See case studies

Why Choose Them:

  • Their designers and consultants participate during the strategy and development phases which means that they have a much better understanding of your vision.
  • Boasting more than 25 years’ experience, they’re one of the most experienced UX/UI design agencies in the UK.  

3. Ninja Promo

Ninja Promo

Ninja Promo is a UK-based UI/UX company with deep expertise in digital design and proven specialisation in building conversion-focused websites, landing pages, and apps. Using a subscription model, clients get access to a full cycle of services that include strategy, on-brand designs, custom integrations, speed optimisation, performance dashboards and more on-demand for a monthly subscription. 

We’re driven by real business metrics. Instead of just designing for aesthetics, we use meaningful success metrics like increasing sign-ups and customer lifetime value which we define upfront to decide what the layout should look like. 

To help us realise our clients’ specific goals and deliver a strong performance, we use the most effective tools and proven strategies. For example, by zooming in on industry-specific pain points and optimising user experiences across devices, we exceeded DiscoverMarket’s initial goals. Their mobile traffic conversions improved by 18%, while their landing page boasted a conversion rate of 3.3%.  

If you want to use design to realise a reliable, measurable, and scalable growth, Ninja Promo’s expertise consistently delivers results. 

Details Information
📍Location London
⏳Founded 2017
🧑‍💻Team Size 51-200
💻Key Services
  • Comprehensive UI/UX Services
  • Responsive Design
  • User Flows
  • User Research
  • Web & Mobile App Design
  • Performance Dashboards
  • Post-launch Support
💼Top Clients
  • Samsung
  • HTX
  • IronFX
  • Burger King
  • Intellectsoft
💸Pricing Pricing starts at $3,200. 
📁Case Studies See all our case studies
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Why Choose Us:

  • Our multidisciplinary team includes UI/UX designers, graphic designers, motion designers, and others, giving you access to a variety of creative perspectives.
  • While we’re an experienced well-known B2B UI/UX design company, we have experience working with major, high-profile clients. 
  • Our subscription model gives you access to over 30 services on demand. 
A User-first Approach Based on Real Data and Feedback
At Ninja Promo, we interact with your users so that they’ll engage more with your product. We analyse user behaviour to discover insights about your audience that will drive up engagement. Then, when it’s time for testing, we once again turn to actual users and use their feedback to make smart improvements.
Talk to our team

4. Strafe Creative

Strafe Creative

Strafe Creative has a team of creative thinkers and digital doers that creates digital experiences for a wide range of industries’ websites and apps. Compared to other UX/UI design agencies in the UK, they implement a very comprehensive approach discovery phase. All of their clients are guided through their 12 steps that include internal and external interviews, competitor research, and persona development. 

This comprehensive approach is carried all the way through to the end. Instead of simply launching your new website, they’ll also combine UX and SEO ensuring that your site will be optimised for immediate impact.  

Details Information
📍Location Nottingham and London
⏳Founded 2010
🧑‍💻Team Size 11-50
💻Key Services
  • App UI and UX Design
  • User Testing
  • UX Consulting
  • Information Architecture
  • Accessibility Testing
💼Top Clients
  • London Socks
  • Hubstar
  • Quell
  • Experian
💸Pricing Available upon request
📁Case Studies See case studies

Why Choose Them:

  • They’ve won over 40 awards, proof of their expertise. 
  • Since 2018, they’ve been a DRUM- recommended agency. 

5. CreativeWeb

CreativeWeb

CreativeWeb has grown from a small, boutique web design studio into an award-winning agency that has designed more than 500 bespoke websites. From aviation to agency sites, they understand the nuances of a wide range of sectors and how to use design to showcase their brand. 

All websites are built from scratch and custom-coded and designed to be fully responsive, ensuring optimal user experience across any device. They’ll research demographics, develop wireframes and user flows to ensure the website is easy to navigate and use. Then, to pull your visitors deeper into your site and keep them engaged, they like to use animation. 

Details Information
📍Location London
⏳Founded 2013
🧑‍💻Team Size 25+
💻Key Services
  • Mobile Optimisation
  • Animation
  • Speed Optimisation
  • Analytics Setup
  • Enterprise CMS
  • Wireframing
  • User Flows
💼Top Clients
  • 4media Group
  • NATO Innovation Fund
  • Strata
💸Pricing Minimum project size of $12,500
📁Case Studies See case studies

Why Choose Them:

  • Their projects have clear milestones for review and sign-off that gives their clients structured opportunities to leave feedback and request revisions. 
  • They offer retainers and care plans allowing you to choose the level of ongoing support you’ll need after launch. 
  • All their websites are optimised for mobile devices and search engines. 

6. Make it Clear

Make It Clear

Make it Clear’s mission is to create user-centered designs and experiences that simplify complex problems. Their team of experienced UX designers and usability experts follow an evidence-based approach that also takes into account the bigger context within which your business and its target audience interacts. 

From research to testing and analysis, their services will take your product through the entire design process. They’ll then also develop a style guide, which will make it easier for your team to implement your new visual designs consistently. 

Details Information
📍Location London
⏳Founded 1991
🧑‍💻Team Size 11-50
💻Key Services
  • User Research
  • Design Systems
  • Information Architecture
  • Wireframes
  • Prototyping
  • User Testing
  • Conversion Rate Optimisation (CRO)
  • UI Style Guides
💼Top Clients
  • Laiya AI
  • Mark & Co
  • Imperial College London
💸Pricing Available upon request
📁Case Studies See case studies

Why Choose Them:

  • After the project, they’ll work with your team’s developers to ensure smooth handover.
  • Boasting over 20 years’ experience, they’re one of the most experienced agencies in the United Kingdom. 

7. BGN

BGN

BGN’s UX design process balances strategic thinking with creative output. They intentionally work with various sectors and categories so that they can gather fresh perspectives and innovate their thinking. 

For them, website and UX design are synonyms with each other. As such, UX and UI design remain central throughout their website design process. In practice, this means that each project starts with their user testing prototyping stage. They’ll also continuously test your website for speed and performance to ensure that it’s also designed for search engines. 

Details Information
📍Location Manchester
⏳Founded 2017
🧑‍💻Team Size 10-20
💻Key Services
  • Web Development
  • Digital Design
  • Visual Identity
💼Top Clients
  • Carlsberg
  • Total Fitness
  • Mark Hill
💸Pricing Available upon request
📁Case Studies See case studies

Why Choose Them:

  • They keep their agency intentionally small so that each client remains important. 
  • They’re a Drum-recommended agency and their campaigns were The Drum Roses Awards finalists.
A UX Design Agency Available on Repeat Subscription
Ninja Promo understands that while design possibilities are infinite, budgets aren’t. To help our clients get all the services they need to build user experiences and interfaces that drive business growth, we offer a selection of plans. This way, you get access to an entire design team without having to carry the overhead costs.
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8. Musemind

Musemind

Musemind is an award-winning UI/UX design agency in the UK that combines strategy with creativity to create new digital products or redesigning existing ones. To do this, they follow a comprehensive five-step approach that starts with research and marketing analysis and concludes with rigorous testing and iterative design improvements.  

During all these different steps, they make room for client involvement and will use your feedback to ensure their designs match your vision. Then, after they’ve concluded their testing and tweaks, their team will still be available to offer ongoing support so that your digital product remains optimised after launch. 

Details Information
📍Location London
⏳Founded 2020
🧑‍💻Team Size 50+
💻Key Services
  • UI/UX Consulting
  • UX Research 
  • Usability Testing
  • Information Architecture
  • Prototyping
  • Wireframing
  • UX and Design System Audits
  • Visual Design
  • Data Visualisation
  • Interaction Design
💼Top Clients
  • Microsoft
  • The Motley Fool
  • Indeed
💸Pricing Prices start at $2,600 per month.
📁Case Studies See case studies

Why Choose Them:

  • They have a proven track record with 97% of their clients satisfied with their communication and work, and most of them hiring their services again. 
  • As they have experience designing for a wide range of industry, they can apply industry-specific design strategies. 

9. Myth Digital

Myth Digital

Myth Digital is a full-service software development and web design agency that works with businesses of various sizes. While websites and software were their initial vision when they started, they’ve grown their scope to digital products and include UX design in their list of services now. 

Their UI/UX design process involves user research, user personas and journeys, wireframing, prototyping, testing, and front-end development. During all these stages, you’ll be able to review the visuals they’ve designed via Figma, where you can also leave feedback. Alternatively, if you prefer a different platform, reviews can be done using PDFs instead.

Details Information
📍Location London, Belfast and Dublin
⏳Founded 2016
🧑‍💻Team Size 11-50
💻Key Services
  • Mobile App Design
  • Software Development
  • Website Design
💼Top Clients
  • Bushmills
  • The North Face
  • Juice Jar
💸Pricing Available on request
📁Case Studies See case studies

Why Choose Them:

  • They take a flexible client-first approach which invites clients to decide how much they want to be involved in the project. All clients also receive their own personalised login via which you can request support or communicate with their team directly. 
  • They offer various billing structures that include fixed fees, hourly rates, and monthly retainers, making it easier for clients to find a payment arrangement that works for their budget. 
  • For most projects, they assign a full team boasting various types of skills and expertise.

10. Webskitters

Webskitters

Webskitters creates tailored mobile and web apps using a four-step process. Before any work gets started, they first involve their clients in key decisions regarding the team, methodology (unified, agile, or scrum), and hiring model. Taking into account your goal and requirements which they gather during a kickoff call or email, they’ll suggest the team most suitable for your project. You’ll then have an opportunity to arrange interviews with team members to evaluate their capabilities before the team is confirmed.

Product-market fit is just as important to them. Their prototypes go through testing during the initial stages so that potential problems can be identified and fixed early. 

Details Information
📍Location London
⏳Founded 2010
🧑‍💻Team Size 500+
💻Key Services
  • Graphic Design
  • Wireframing
  • Front-end Architecture
  • UI Concept Creation
  • Testing and Analysis
💼Top Clients
  • Yamaha
  • IBM
  • Visa
💸Pricing Available on request
📁Case Studies See case studies

Why Choose Them:

  • They are ISO 9001:2015 & ISO 27001:2015 Certified. 
  • They have hundreds of reviews on Google and Clutch, proof of their reliability. 
  • They offer a refund if you’re not entirely satisfied, making their UX/UI design services less risky. 

Our Key Points for Selecting the Most Suitable UI/UX Design Companies in the UK

To help you choose a UI/UX design agency that can deliver real, measurable results, we avoided getting wrapped up in polished portfolios that we lose sight of results and capabilities. Our evaluations also looked at measurable impact and execution so that we could identify potential partners that can design solutions that look great, work equally well, and convert. 

Here’s what we considered during our reviews:

  • Transparent, structured process. Teams should show clear workflows that start with research and take an iterative approach. 
  • Cross-industry versatility. Experience across various sectors like healthcare, fintech, and B2B mean that you’ll be getting fresh perspectives and adaptable design thinking. 
  • Case studies with measurable impact. We evaluated how their design impacted business outcomes key to app and website design like bounce rate and conversions. 
  • Reviews and client testimonials. Feedback from clients were used to validate claims and give insight into the process from the client’s first-hand experience. 
  • Long-term partnerships. Ongoing work was an indication that agencies could consistently deliver and that they were open and responsive to requests and suggestions. 

Let’s Redefine How Users Interact with Your Digital Product!

At Ninja Promo, we prioritise both function and aesthetics to create digital products that users want to engage with repeatedly. We do that by simplifying flows and identifying and eliminating friction points. Not only do we plug the gaps that prevent users from converting but we also uncover gaps in your market that you can fill by redesigning your user experience and interface. 

However, while your users and their needs are crucial, we don’t lose sight of your own ambitions. We use research-driven insights and our years of experience to create a strategy tailored to your specific business goals. We realise that when you set out to hire a UI/UX design company in the UK, you’re after results. Whether it’s driving more sign-ups, growing an online community, improving engagement, or securing new investors, we’ve helped our clients achieve all of this and more before. 

FAQs:

A quick design review is a surface-level check of your product’s visuals and usability. It looks at obvious issues like layout inconsistencies and visual clutter. A full UI/UX audit is an in-depth evaluation of the whole user experience. It looks at aspects like user flow, navigation, and accessibility and typically includes user journey mapping, heuristics evaluation. With quick reviews, you usually get only high-level feedback for obvious improvements, while UI/UX audits include a comprehensive report.
There isn’t a single timeline, but it’s recommended that you refresh your UI every 12 to 18 months. Minor updates can even be done more frequently (every two to three months). Testing, on the other hand, should be treated as an ongoing activity with checks being done weekly or monthly.
User behaviour red flags like lower conversion rates or a higher bounce rate are signs that it’s time for a redesign. You can also study qualitative data like user complaints, if you notice an increase in support tickets, especially when they’re about the same pain points, your UI and UX could be to blame. Then, there are also more obvious indicators like outdated design.
Yes, because it reduces friction, especially during complex processes like checkout and onboarding, and builds trust and credibility. Custom UI/UX design signals that professionalism. When the interface looks consistent and on-brand and feels reliable, users are more likely to trust the business and stay loyal.
UX designers know how to turn your brand into an experience, helping your target audience to form a stronger emotional connection with your brand. With their fresh eyes and proven research methods, they can also identify and fix areas and elements like a confusing user flow which can cause friction. With your website or app feeling more seamless, users will also start interacting with your website more which will translate into more repeat usage and stronger brand loyalty too.
If you’re planning to hire a UI/UX design company in the UK, look for the following qualities:
  • A strong portfolio backed up with case studies explaining their design process and results
  • A research-driven approach that considers users’ needs, pain points, and behaviour
  • Experience designing across web and mobile
  • Transparent processes that encourage client involvement
  • Post-launch support and iterative optimisations
Top agencies will start every project by linking design choices to concrete goals like improving conversion rates or retention. This way, creativity becomes a tool to reach specific measurable outcomes. They also know how to combine their creative instinct with quantitative insight so that data refines their creative vision. This way, design is treated as an artistic craft, but never at the expense of what users need or the product’s performance.
Hiring a specialised UX design company is the better route to take when you’re considering UI/UX design services outsourcing. This is because they bring more depth and consistency to projects. As you’ll be working with multi-disciplinary teams, you’ll have access to a broader range of skills and different perspectives. A UX design agency also typically has project managers and tried-and-tested processes to ensure on-time delivery. Plus, if your product suddenly needs more output, they have the team and design systems to scale quickly.
UX/UI design companies in the UK typically use a combination of qualitative and quantitative research to gain insights into how users think, behave, and interact with digital products. Popular methods include: user interviews, surveys, customer journey mapping, heatmaps, and session recordings.
It depends on the scope and complexity of the project and how much research will be required. That said, the typical project timeline for simple landing pages or websites is between four to six weeks. For multi-page websites, apps, or dashboards, a UI design agency will need closer to 12 weeks. Large projects can take anything between 12 and 20 weeks on average.
UX/UI projects typically cost anything between $1,500 and $40,000. The final cost will depend on several factors like the number of screens/pages, custom interactions, team size, deliverables, level of ongoing support, and timeline.
Best-in-Class UI/UX Design Agency in the UK
Outdated website design, drop in conversions, inconsistent branding, and unclear messaging and user flows are just some of the pain points that our UI/UX design services can solve. We’ve helped over 300 brands build digital experiences that grow their revenue with 87% already seeing results in only 60 days.
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