Great UX/UI design can make or break a digital product. It directly impacts usability, conversion rates, customer retention, and ultimately business outcomes, whether that’s higher revenue, faster adoption, or lower churn.
Yet with hundreds of UX/UI agencies claiming product expertise, choosing the right partner has become a real challenge for founders and product leaders. That’s why we’ve created this list of top UX/UI design agencies for digital products. Inside, you’ll find a carefully curated selection of trusted agencies, a clear side-by-side perspective on their strengths, and practical guidance to help you make a confident, informed decision. This list is curated based on proven expertise, portfolio quality, and industry recognition, with a strong focus on agencies that design digital products that deliver real results.
What It Takes to Be a Top UX/UI Design Agency?
To create a list that's genuinely useful for founders, product managers, and decision-makers, we evaluated each agency using clear, product-focused criteria. Our goal was to highlight teams that don’t just design attractive interfaces, but consistently deliver digital products that perform in real-world conditions. We focused on agencies that demonstrate:
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Proven experience in digital product design across web and mobile platforms, with portfolios showing end-to-end product work rather than isolated design tasks
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Strong UX research and discovery processes, including user research, validation, and data-informed decision-making
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High-quality UI design and scalable design systems that support consistency, accessibility, and long-term product growth
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Real-world case studies with measurable impact, such as improved conversion rates, retention, usability, or time-to-market
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Positive client reviews, testimonials, or industry recognition signal trust and long-term partnerships
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The ability to collaborate closely with product and development teams, ensuring smooth handoffs and design decisions that are feasible, scalable, and aligned with business goals
By applying these criteria, we aimed to create a balanced and transparent comparison of UX/UI design agencies that specialize in building successful digital products.
Top UX/UI Design Agencies for Digital Products
Location: Warsaw, Poland
Founded in: 2011
Company Size: ~50–249 employees
Specialties: UX/UI design, product design, web & mobile app design, progressive web apps (PWAs), full-stack development, Agile product delivery
Overview:
EL Passion is an agile product design and development agency that combines user-centered design with engineering excellence to build digital products people love. The team focuses on creating intuitive and engaging web and mobile experiences that solve real user problems and drive business outcomes. With over a decade of experience across numerous industries, EL Passion partners closely with clients from startups to established businesses to transform ideas into scalable products. We've earned recognition as a trusted software house in Poland and beyond, highlighted for smooth collaboration, transparent communication, and a passion for building functional, user-friendly applications.
Key Strengths:
Strong combination of UX research, product design, and development capabilities
- Agile, iterative workflows that support discovery through delivery
- Expertise in web apps, PWAs, and cross-platform mobile apps
- Emphasis on usability and product outcomes
- Positive client reviews underscoring collaboration and service quality
Notable Clients / Projects:
- EY (Ernst & Young)
- Polaroid
- Varner Group
Best For:
Startups • Scaleups • SaaS • Fintech • Healthtech • Digital Platforms
Location: Warsaw, Poland
Founded in: 2009
Company Size: ~51–200 employees
Specialties: UX/UI design, product design, web & mobile development, illustration, branding
Overview:
10Clouds is an agile software house known for blending thoughtful product design with high-quality development. The agency emphasizes user testing and user-centered design to ensure products are both beautiful and functional. Its services span discovery, UX/UI design, web and mobile development, and advanced technologies such as blockchain and AI.
They work with startups through enterprises, delivering tailored digital products that resonate with users across industries, including fintech, healthcare, and marketplaces.
Key Strengths:
- Strong user-centered discovery and testing processes
- Full-stack design + development capability
- Experience with complex and innovative technologies
- Collaborative, agile process
Notable Clients / Projects:
- Crescent (fintech)
- Swile (payment & employee benefits)
- GoSeqIt (biotech platform)
Best For:
Startups • Scaleups • SaaS • Fintech • Healthcare
Location: Wrocław, Poland
Founded in: 2010
Company Size: ~130+ employees
Specialties: Product design, UX/UI design, web & mobile application development, Ruby on Rails, cross-platform apps, generative AI services, MVP, and full product delivery
Overview:
Monterail is a full-service software development and design agency delivering web and mobile products with a strong focus on usability, performance, and strategic design. With more than a decade in the market and 390+ projects completed, the company supports clients ranging from ambitious startups to established enterprises worldwide. Their services span discovery, product design, UX/UI, and robust engineering using popular technologies such as Ruby on Rails, Vue.js, React, and Flutter. Monterail is also known for embracing AI-assisted development and modern workflows, enhancing both the product output and collaborative experience. The acquisition of EL Passion further strengthens their design and UX capabilities.
Key Strengths:
- End-to-end product design and engineering services
- Deep technical expertise with Ruby on Rails and modern JavaScript frameworks
- UX/UI design integrated with research and product strategy
- Long-term partnerships with transparent communication and agile delivery
- Experience across industries in,cluding fintech, healthtech, e-commerce, and enterprise platforms
Notable Clients / Projects:
- Merck
- Bosch
- Elvie
- Cooleaf
- Docplanner
- Pizza Hut
Best For:
Startups • Scaleups • Enterprises • SaaS • Fintech • Healthtech • E-commerce
Location: Warsaw, Poland
Founded in: 2016
Company Size: ~60+ employees
Specialties: UX/UI design, mobile & web app development, custom software, design thinking workshops
Overview:
LeanCode is a Warsaw-based software studio that combines strong design thinking with custom development expertise. Their services span UX/UI design, research, prototyping, and full mobile/web development using technologies like Flutter. Known for a disciplined, agile approach, LeanCode’s teams walk clients through strategy, UX research, and design implementation to deliver intuitive products.
Key Strengths:
- Design thinking + research emphasis
- End-to-end product delivery
- Strong cross-platform mobile expertise (Flutter)
- Focus on scalable and maintainable solutions
Notable Clients / Projects:
- Credit Agricole Bank Polska mobile app
Best For:
Startups • Scaleups • Fintech • Enterprise mobile apps
Location: Wrocław & Warsaw, Poland
Founded in: 2011
Company Size: ~80+ employees
Specialties: UX/UI design, mobile app design, web app design, backend development
Overview:
Droids On Roids is a development firm with a strong track record in mobile-first product design and engineering. While rooted in mobile development, the company integrates UX/UI design into its full-cycle delivery approach, prioritizing functionality and usability. The agency’s TAP (Team and Process) methodology emphasizes deep research, iterative feedback, and data-driven design decisions.
Key Strengths:
- Integrated UX/UI within the full development lifecycle
- Agile team + process alignment
- Experience with mobile and web products
- Data-informed decision-making
Notable Clients / Projects:
- Mobile products in finance, retail, and IoT spaces
Best For:
Mobile-first digital products • Scaleups • SaaS • Retail
How to Choose the Right UX/UI Design Agency for Your Product
Even the most impressive agency portfolio won’t guarantee success if the partnership isn’t aligned with your product’s real needs. Before making a decision, it’s worth stepping back and evaluating a few key factors that can significantly influence the outcome of your collaboration.
- Consider your product stage. Early-stage products and MVPs typically benefit from agencies experienced in rapid discovery, validation, and iteration, while scaling products often need partners who can optimize existing experiences, evolve design systems, and support long-term growth.
- Look for relevant industry experience. While great UX principles are universal, agencies familiar with your industry—such as SaaS, fintech, or healthtech—can better anticipate user expectations, compliance requirements, and common usability challenges.
- Balance UX research depth with visual design focus. Some agencies excel in research-heavy discovery and validation, while others lean more toward polished UI and branding. The right choice depends on whether your product needs foundational user insights, visual refinement, or a combination of both.
- Evaluate the collaboration model. Decide whether you need an embedded design team that works closely with your internal product and development teams, or an external partner delivering defined design milestones. Each model offers different levels of flexibility, speed, and ownership.
- Factor in communication and time zones. Smooth collaboration depends on clear communication, regular feedback loops, and overlapping working hours. Time zone alignment and communication practices can have a major impact on project velocity and overall experience.
Choosing the right UX/UI design agency is less about finding the “best” name on a list and more about finding a partner that fits your product goals, team structure, and way of working.
What Are the Current Trends in UX/UI?
UX/UI design continues to evolve alongside technology, user expectations, and business demands. Understanding current trends can help product teams choose partners who design with the future in mind—not just today’s requirements. Here are some of the key UX/UI trends shaping modern digital products:
- AI-assisted UX
Artificial intelligence is increasingly used to enhance user experiences through smart recommendations, predictive interfaces, and adaptive content. From AI-driven onboarding flows to contextual suggestions, UX design is becoming more responsive and personalized.
- Accessibility-first design
Accessibility is shifting from a compliance checkbox to a design standard. Agencies are prioritizing inclusive design practices that ensure products are usable by people with diverse abilities, improving overall usability and expanding market reach.
- Design systems at scale
As products grow, scalable design systems have become essential. Well-structured design systems help teams maintain consistency, speed up development, and support cross-platform experiences without sacrificing flexibility.
- Data-informed personalization
UX decisions are increasingly backed by behavioral data and analytics. Personalization driven by real user data allows products to adapt interfaces, content, and flows to different user segments while still respecting privacy and transparency.
- Motion & micro-interactions
Subtle animations, transitions, and micro-interactions are used to provide feedback, guide users, and add clarity to complex interactions. When applied thoughtfully, motion enhances usability rather than distracting from it.
Staying aligned with these trends helps ensure that digital products remain intuitive, inclusive, and competitive in an increasingly experience-driven market.
Which UX/UI Design Agency Is the Right Fit?
There's no single “best” UX/UI design agency, only the one that best fits your product goals, team setup, and stage of growth. Some teams excel at rapid MVP validation, while others shine when scaling complex platforms or evolving mature design systems. What matters most is finding a partner whose approach aligns with how you build products, not just how they make them look.
Looking for a UX/UI partner for your digital product? Explore how experienced product teams approach UX/UI design and delivery, and see how thoughtful design, research, and collaboration translate into real business outcomes. Strong visuals are important, but long-term success usually comes from shared ownership, clear communication, and a design process that integrates seamlessly with product and development workflows.
