15 Best UI/UX Design Agencies in the World for 2024

The challenge of designing websites and developing mobile apps is that these digital assets need to be functional, yet visually pleasing. Prioritize function over looks and you risk getting labeled as out of touch. On the other hand, if the design is on brand and on trend but comes with navigational nightmares, users will stop using it. 

Ever bought a fashionable clothing item to wear it only once because it’s simply too uncomfortable to wear? The same principle applies to some websites. 

To avoid that your target audience associates your business with pain, you can hire a user experience design agency or a user interface design company. Some agencies choose to double up and label themselves as a UI/UX design agency. As both the look (user interface aka UI) and feel (user experience aka UX) matter and work hand in hand, it’s best to go this route and pick an agency that excels in both areas.   

The Importance of UI/UX Design for Product Success

Let’s be honest, customers are demanding. They’re expecting a lot more nowadays. While they want the convenience of having all the information at their fingertips, they don’t want to invest more time to find that which applies to their needs. 

Your product can be great. However, if consumers experience any issues trying to learn more about the features or buy it, the hassle won’t be worth it to them. 

In fact, according to the State of UX Survey Report 2022, good user experience can boost customer satisfaction and brand perception. Over 66% feel that user experience impacts customer satisfaction, while just over 60% feel that it can boost brand perception. These are just two figures that show that you can offset the costs of hiring a UI/UX design agency.

If users are happy and view your brand in a positive light, they’re more inclined to use your product. This will grow into customer loyalty which will ultimately boost your bottom line, more reason to pay a UI/UX agency for their expertise.  

Aside from keeping customers happier, a UI/UX design agency can help differentiate your offering from competitors. If there are two products that offer the same features, the experience can be the deciding factor. For example, if one website makes it easier to buy, customers will rather turn to that website as their go-to supplier even if it means having to pay more.  

Reasons Why You Should Hire a UX Design Agency

Improving the user experience is more than adding another menu to the navigation bar. It requires rigorous research and testing. From trends to tech, there are various factors to consider. 

Not only do you need to understand what’s going on in the market, but you should also understand consumer behavior. After all, you’re designing for real users. 

UI/UX design agencies have the right expertise and tools to gather all this data. They have UI designers to focus on the aesthetic and UX designers who can see how and where these elements fit into the user journey. 

As UI/UX design companies have everything at hand, it will also work out more cost-effective for businesses. If you have an in-house marketing team, you’ll have to add a designer that can focus solely on the UX component. Plus, if you outsource this specialised skill to a UI/UX design company from the start, you can likely save time and money in the long run as there’s a lower risk that you’ll need to redesign your app or website significantly. Skilled professionals apply working marketing strategies for apps or websites that significantly improve user interaction with the product.

List of the Top 15 User Experience (UX) Agencies 

Here’s our selection of the of the best UI/UX design agencies for 2024:

1. Duck.design 

Website: https://duck.design/ux-ui-design-services/  

Founded: 2020

Number of Employees: 11-50

Location: London, the UK

Small businesses and startups that want their user experience design company to help them with all their design-related projects can check out Duck.design. A self-proclaimed, one-stop-shop for design, they offer an array of design services including graphic design, website design, and UI/UX design. 

If you specifically need help in the user experience department, they can design for web as well as mobile. They use a proven, fully managed process that can adapt to your requirements. If cost-savings is one of your needs, their out-of-the-box solutions for enterprise teams can be the solution and, what’s more, unlimited graphic design services are also included for extra cost-efficiency. 

Key Services:

• Brand identity design
• Motion graphics
• Landing page design
• Infographics
• Illustrations
• Packaging design

Why Choose Them:

• Unlike many other UI/UX design companies, they charge a fixed monthly rate which means that there are no hidden costs. What’s more, you can request as many designs. 
• They offer a seven-day, money-back guarantee, another rare offer made by UI/UX design agencies.  

Best for:

• Businesses that have a tight turnaround time as they offer a same-day delivery.  
• Small businesses that can’t afford an in-house designer or team. 

Portfolio: View examples of work

2. Clay 

Website: https://clay.global/

Founded: 2016

Number of Employees: 51-100

Location: San Francisco, California, USA

Clay focuses on two core areas: UX design and development and branding. In fact, they’re also rated as one of the top branding companies in the world. 

One of their unique selling points is that they take what they like to call an “AI-infused creative approach” where they combine artificial intelligence with design and tech. The result — future-proof designs that are easily scalable. 

Another trait that sets them apart from several other UI/UX design agencies is that their co-founders get involved. They lead dedicated teams with expertise across various disciplines. Collaboration is at the core of what they do which also means that client communication is prioritized at all stages of the project. 

Key Services:

• Content strategy and production
• Art direction
• Web design
• Frontend and backend development
• Mobile app development
• Graphic design
• UI design
• Customer experience (CX) design

Why Choose Them:

• They have a proven track record and received a number of awards for their work. 
• They take a collaborative approach and can work as an extension of their clients’ teams with past clients praising them for their project management and communication in particular.  

Best for:

• Brands with bigger budgets.  
• Tech companies and businesses in the financial services niche.

Portfolio: View examples of work

3. Digital Silk 

Website: https://www.digitalsilk.com/web-design/ui-ux-design-agency/ 

Founded: 2019

Number of Employees: 150-200

Location: Miami | New York City | Chicago | San Diego

Along with the likes of Duck.design, Digital Silk is rated as a leading responsive web design agency, making them a great choice for basically anything related to website design. Their team of UX professionals and designer specialists takes care that the digital experience, mainly optimized for mobile devices, is then scaled to desktop.

They’re also happy to take on redesigns in addition to their custom solutions. If you suspect that your website’s current user experience can be improved, their designers will conduct an UX audit to identify issues and areas for improvement. 

Key Services:

• Brand strategy
• Graphic and logo design
• eCommerce development
• Mobile app development
• Search engine optimization (SEO)
• Marketing strategy

Why Choose Them:

• They have a team of award-winning designers. 
• Instead of classifying themselves as a UI/UX design agency exclusively, they prefer the full-service web design agency label. This means that they can help with other related services too. 
• They work with businesses of all sizes. 

Best for:

• eCommerce, B2C and B2B businesses looking to invest in website design.  

Portfolio: View examples of work

4. NinjaPromo

Website:  https://ninjapromo.io/ 

Founded: 2017

Number of Employees: 51-200

Location: London | New York City | Dubai | Hong Kong | Singapore | Vilnius

Rated by the likes of Sortlist as one of the top UX design firms in New York, we deserve this spot on our own coveted list. Aside from being versed in various marketing strategies, we’re also a full-cycle website development agency.

Our web dev team combines creativity with advanced tech to create responsive, high-performing websites that optimize the user experience. The process kicks off with a discovery meeting that includes a detailed analysis. Only after we grasp your current needs, do we continue to the other steps — planning, design, development, and quality assurance. One of our unique selling propositions is that we’ll also train your employees on how to use the content management system (CMS). 

Key Services:

• UI/UX Design
• Web Design
• Website development
• Mobile App Design
• Branding
• Mobile App Development
• Digital Marketing Services
• Marketing Subscription

Why Choose Us:

• We use a rigorous quality assurance process before a website goes live. We’ll also send you a demo link so that you can share feedback before deployment.   
• More than half of our customers turn into long-term clients. 
• We offer round-the-clock support, something few UI/UX design agencies advertise.  

Best for: 

• Businesses that want flexible pricing. 

Portfolio: View examples of work

5. Ramotion

Website: https://www.ramotion.com/ui-ux-design-los-angeles/

Founded: 2009

Number of Employees: 11-50

Location: New York City | Los Angeles | San Francisco

If you prefer a boutique agency feel, you can check out Ramotion. They keep their UI/UX design agency intentionally small and restrict their workload to a couple of clients at a time. 

While their team might be small, it doesn’t apply to the types of clients they’ve worked with. Aside from growing startups, they’ve also worked with enterprise clients that include the likes of Adobe, Netflix, and Stripe. 

Their team of creatives combine art with technology. The result — designs and digital experiences that deliver in both function and aesthetics. 

Key Services:

• UI/UX audits
• UI design
• Web app development
• Branding
• Web design 
• Design assets and application

Why Choose Them:

• They have a multidisciplinary team that can become an extension of your own in-house design/marketing department. 
• They tailor their approach and strategies to your unique goals and brand. 

Best for:

• UI/UX design projects start at $20,000, making them better suited for brands with bigger budgets. 
• Businesses operating in more technical industries like cybersecurity, healthcare, and financial technology. 

Portfolio: View examples of work

6. UX Studio

Website:  https://uxstudioteam.com/  

Founded: 2013

Number of Employees: 51-100

Location: Budapest, Hungary

UX Studio describes their approach as proactive as well as collaborative. To come up with their innovative, personalized solutions, a strong focus is placed on research. Design testing, validation, and iteration are key. They’ll also take the time to immerse themselves into your business as well as its broader industry. 

Whether you need to start from scratch or a redesign will work, their team is flexible enough to work with various visions and projects. Plus, according to Clutch, their most common project size starts at $10,000, making them one of the more affordable options. 

Key Services:

• UX audits
• Consulting
• Usability tests
• UX research
• Training
• Mobile app development 

Why Choose Them:

• They can get started quickly and typically need only a week before they can commence with discovery and research. 
• They have a global team that can work with businesses in various time zones. 
• They’ll assign a team that will focus only on your project and has the capacity to dedicate 40 hours per week to it. 

Best for: 

• Businesses that want to focus solely on UX design. 

Portfolio: View examples of work

7. frog 

Website: https://www.frog.co/

Founded: 1969

Number of Employees: 5,000+

Location: Multiple locations across the world

The team at frog takes a different approach to many of the other UX design agencies. While they remain completely customer-centric, they jump one step further to apply it internally so that your employees also enjoy a positive experience. The result —  a truly holistic experience that both customers and employees can experience. 

While they create a single experience, they take into account various insights drawn from behavioral science and human-centered design. This way, they also help their clients to reach diverse audiences using an experience designed for everyone. 

Key Services:

• Growth strategy
• Brand strategy and design
• Content and communication strategy
• Content and asset management
• Membership and loyalty programmes
• Product design and delivery
• Augmented services

Why Choose Them:

• Founded in 1969, they’re one of the most experienced UX agencies and have decades of experience to draw upon. 
• They take a truly holistic approach that considers the user experience of both clients and employees. 

Best for:

• Businesses that want to improve the experience of their employees too. 

Portfolio: View examples of work

8. Onething Design Studio

Website: https://www.onething.design/ 

Founded: 2015

Number of Employees: 51-200

Location: Two offices in India and one in the USA

Onething Studio doesn’t just do one thing very well. While UX/UI design is at the core of what they do, they also help with related services like branding and content. On top of that, they’re also versed in multiple industries including eCommerce, fast-moving consumer goods (FMCG), and education. 

The name rather stems from their approach — changing one thing at a time. It’s this systematic way of tackling complex designs that has helped them to complete over 250 projects successfully and gain a reputation as a top-rated UI/UX design agency. 

Key Services:

• UX audits
• Customer journey mapping
• Digital strategy
• Digital copywriting
• Logo and packaging design
• Responsive web design
• Frontend and backend development

Why Choose Them:

• They’ve won multiple awards, including being named the winner in the UI design category at the 2023’s Paris Design Awards, making them a great choice if you specifically want a UI design agency. 
• On Clutch, they boast a rating of 4.9 out of 5. 

Best for: 

• Businesses looking to spend between $10,000 and $50,000 on UX design. 

Portfolio: View examples of work

9. Beyond 

Website: https://www.bynd.com/  

Founded: 2010

Number of Employees: 51-200

Location: Lisbon | London | Mexico City | New York City | San Francisco

As their name suggests, Beyond is all about helping brands move forward. Their mission is simply, yet bold: using design to improve customer experiences. 

They believe that everything begins with a need and their UX services are designed to satisfy these needs. Blending strategy with design and technology, they help their clients to build better customer relationships using a well-designed app, website, or system. 

Instead of simply doing a regular UX audit like many other UX agencies, they make sure to include competitor analysis in their analysis too. In addition to revealing these market opportunities, they’ll also introduce you to the processes and tools you need for growth so that you can move beyond your current position. 

Key Services:

• Customer experience audits
• Solution architecture
• Prototyping
• Vision and strategy
• Cloud platform transformation

Why Choose Them:

• As they adopt a remote-first culture, their team is distributed across the globe helping them to cover a 16-hour timezone.  
• They include a cultural sensitivity in their work. 

Best for:

• Businesses that want to incorporate diversity, equity, and inclusion (DEI) into their designs. 

Portfolio: View examples of work

10. Designit

Website: https://www.designit.com/  

Founded: 1991

Number of Employees: 700+

Location: Multiple locations across the world

Designit describes themselves as a “global experience innovation company”. Where many UX agencies blend design and technology, they take it further to include UX strategy and marketing in the process too. 

They also see their project with diverse lenses and are open to taking purposeful risk. As such, where other user experience agencies take a customer-centric approach, Designit prefers to use a humanity-centered perspective. Their mission is to create long-term progress for everyone instead of immediate value for a few. 

Key Services:

• Product design
• Brand strategy and design
• Customer experience management (CXM)
• Design research
• Digital design

Why Choose Them:

• They prioritize sustainability and offer a number of services to reach their sustainability goals.
• They have over 30 years of experience to draw upon, making them one of the most experienced UI/UX design companies.  

Best for:

• Like Beyond, they’re best suited for businesses that want to incorporate diversity, equity, and inclusion (DEI) into their designs, as well as sustainability. 

Portfolio: View examples of work

11. IDEO 

Website: https://www.ideo.com/ 

Founded: 1991

Number of Employees: 500+

Location: Multiple locations across the world

IDEO is an international design company that crafts everything from strategies to services to experiences. They refer to their multidisciplinary team as “a community of makers”. 

Whether there’s a problem that you need to solve or want to set your business apart from competitors, IDEO knows how to use design to meet the goal. They know how to translate vision and strategy into something tangible, enabling their clients not only to imagine new possibilities but achieve that. 

Key Services:

• Product design
• Interaction design
• Design thinking
• UX design
• Organization design

Why Choose Them:

• They boast over 40 years of experience, making them one of the oldest UI/UX design companies.  
• They place a lot of emphasis on responsible solutions that can create a more sustainable and equitable future. 

Best for:

• Like Designit, they’re best suited for brands that want to prioritise sustainability. 

Portfolio: View examples of work

12. Work & Co. 

Website: https://work.co/  

Founded: 2013

Number of Employees: 101-500

Location: Multiple locations across the world

Part of Accenture Song, a tech-powered creative group, Work & Co. launches digital, transformative experiences. They offer a long list of services that fall under three core areas: product management and strategy, technology, and design. From travel to technology to telecommunications, they also work with a wide array of industries. 

As for their process, they describe it as “intensely collaborative”. Using specific key performance indicators (KPIs), rapid prototyping, and continuous testing which occur at all phases, they cut down time spent on presentations. The majority of their projects take only 20 days to market feedback. 

Key Services:

• Brand strategy
• User research and testing
• SEO
• Performance analysis
• Rapid prototyping
• Motion design
• Game design

Why Choose Them:

• They assign small, multidisciplinary teams which will see the project through. 
• They use a pool of global talent helping them to uncover diverse perspectives. 

Best for:

• Businesses with a tight time frame.

Portfolio: View examples of work

13. Fantasy 

Website: https://fantasy.co/  

Founded: 1999

Number of Employees: 51-200

Location: New York City

Trusted by global brands in entertainment like Netflix and Spotify, Fantasy is one of the leading UX agencies based in New York City (along with yours truly). While they’re based in NYC, their team comes from all across the globe adding valuable perspectives to projects.

They’ve dubbed their unique process “Think Beyond”. Using human-centered design, product strategy, and AI, they launch global products that they feel so confident in that they don’t need a sales team. They know how to translate insight into impact and integrate a wide range of skills. 

Key Services:

• Creative strategy
• Product design
• Visual design
• Interaction design
• Information architecture
• Iconography
• AI design

Why Choose Them:

• All clients get a senior team that’s been selected based on their specific project needs. 
• They offer more than 20 years of experience. 

Best for:

• Bigger businesses that also want to focus on UI design. 

Portfolio: View examples of work

14. Orizon 

Website: https://www.orizon.co/  

Founded: 2018

Number of Employees: 2-10

Location: Montreal, Canada

Orizon is a remote, full-cycle design agency that specialises in websites, app and brand design. From startups to enterprise clients, they have experience working with businesses of all sizes. 

Aside from being flexible when it comes to the types of clients they partner with, they’re also flexible when it comes to how they go about projects. They’re equally comfortable when given a blank canvas or asked to augment in-house staff. In fact, according to their website, they’re two to three times faster than solely relying on your own internal team. 

Key Services:

• Website design and development
• Landing page design
• Web 3.0 design
• Animation and motion design
• Prototyping
• Wireframing and user testing

Why Choose Them:

• They require no big upfront payments.
• Each week they focus on design deliverables, helping to speed up the process. 

Best for:

• Businesses on a tight budget and time frame. 

Portfolio: View examples of work

15. Neuron

Website: https://www.neuronux.com/ 

Founded: 2016

Number of Employees: 11-50

Location: San Francisco, California, USA

B2B businesses that need to hire a UI/UX design agency can check out Neuron. Not only are they one of the most reviewed UX agencies on Clutch, but also one of the highest rated. In fact, they boast five stars on this popular review website. On top of that, Influencer Marketing Hub has also named them as one of the Top 10 product design agencies, along with the likes of Clay.

What makes Neuron such a great choice is their laser focus. Where many other agencies in this niche also choose to focus on related fields like branding, Neuron chooses to categorize themselves as a special ops design team. Using their SPARC process, they add that missing spark to products. Their iterative process kicks off with low-fidelity design options and concludes when the mockups are pixel-perfect and ready for development.    

Key Services:

• Product strategy
• Competitor analysis
• Persona and user journey mapping
• Interaction design
• Animated video
• UI style guides

Why Choose Them:

• Their partners actively work on all the projects. 
• Project teams are small making their services more cost-efficient. 

Best for:

• B2B businesses looking for a senior UX consultant. 

Portfolio: View examples of work

What Does a UX Design Agency Do?

A user experience design agency (aka UX design company or UX agency) is a type of design agency that concentrates on how people use digital products like websites, mobile apps, and web apps. Their goal is to make these interactions more seamless and accessible. 

As such, UX design agencies will zoom in on usability. Where user interface design companies (aka UI design firms) focus on visual aspects, UX agencies limit their scope to functionality. 

UX professionals can typically offer a range of services that include:

• Website development and design
• Conversion rate optimization (CRO)
• Project management
• Branding
• Product design and development

What to Look for When Choosing a UI/UX Company

As you would’ve noticed, many UX agencies combine design with other areas like strategy and technology. In addition to this, also double-check that the UI/UX design agency offers the following:

• Clear Communication: You want to work with a UX agency that asks a lot of questions and actively listens to your answers. Then, they should be equally skilled at conveying to you the hard facts about your digital assets in a way that is easy to understand and accept. 

• In-depth Research: To understand common user pain points and needs, UI/UX design agencies rely on research into your field, market trends, and consumer behaviour. They need this data in order to make the right improvements.  
• Continuous Testing and Iterations: A UX design agency does continuous testing to gain user feedback. To do this testing, they’ll also typically create interactive prototypes.
• Responsive Design: The mobile experience is crucial to any brand’s success. Part of their UX services should include adapting your website design to multiple devices. 
• Post-launch Support: The majority of UX agencies will extend their support to after deployment. As iterations form such a big part of the UX design process, a reputable UX design agency will ensure that enhancements and improvements are introduced in response to user feedback. 

Conclusion

Investing in website design is a good place to start. Most reputable web design agencies for small business clients will be able to craft a functioning website.

However, if you really want to ensure that your conversion rate exceeds industry benchmarks, you’ll have to pay specific attention to the overall user experience. Getting from point A to point B should be self-explanatory. Any one of these 15 UX agencies will be able to guide you and your target audience seamlessly along the way.