Top Product Design agencies to work with.

From e-commerce to SaaS platforms, digital product design agencies are building products used worldwide, combining research-driven design with technical execution. At the moment, these are the agencies setting the benchmark for digital experiences across industries.

Each agency here was chosen for a couple of reasons: a strong track record in product design, recognisable client work, industry recognition, and the ability to adapt to different markets and challenges. Whether through award-winning case studies, innovative methods, or proven results at scale, these agencies represent some of the best examples of UI/UX and product design today.

Significa

Significa is an award-winning design and development agency based in Porto, Portugal. Known for combining user-centred design with engineering excellence, Significa works in close collaboration with clients worldwide to build digital products that are both reliable and impactful.

Services: Strategy, UI/UX Design, Custom Software Development

Clients: FC Porto, Hey Harper, Mishmash, The Fertility Partnership

Why they stand out: A certified B Corp and member of 1% for the Planet, Significa delivers digital products with a focus on usability, scalability, and measurable business outcomes. Their portfolio spans e-commerce, SaaS, and large-scale platforms, showing how design and development can work hand in hand.

Pentagram

Pentagram is the world’s largest independent design consultancy. Known for its multidisciplinary teams, it blends branding, digital, and product design at a global scale.

Services: Branding, UX/UI, Graphic Design

Clients: Mastercard, Rolls-Royce, Samsung

Why they stand out: Pentagram’s partner-led model ensures industry leaders guide each project, making it a benchmark in both identity and digital design.

Clay

Clay is a digital product and UX design agency with growing influence in the design landscape. They’re known for interfaces that combine beautiful visuals with seamless user flows.

Services: UX/UI Design, Product Strategy, Branding

Clients: Google, Meta, Slack

Why they stand out: Clay merges Silicon Valley product expertise with European sensibility, delivering high-end design for some of the world’s biggest tech players.

ueno

Ueno began as a boutique studio founded in Iceland, quickly gaining global recognition before being acquired by Twitter/X. Now it’s back, stronger than ever.

Services: UX/UI, Branding, Digital Product Design

Clients: Airbnb, Google, Slack

Why they stand out: Ueno shaped a generation of product aesthetics with bold, playful yet functional digital design. Their legacy largely influences the European scene.

ustwo

ustwo is a pioneering product studio, equally famous for client projects and its own experimental ventures, such as Monument Valley.

Services: UX/UI, Product Strategy, Emerging Tech, Game Design

Clients: L’Oréal, Lego, Google

Why they stand out: ustwo blends playful experimentation with commercial expertise, pushing the boundaries of what digital experiences can be.

Work & Co

Work & Co is a global product design and technology company known for creating large-scale digital platforms.

Services: Product Design, UX/UI, Engineering, Strategy

Clients: IKEA, Google, Mercedes-Benz, Loewe

Why they stand out: Work & Co focuses on mission-critical digital products, combining design precision with robust engineering. Their work demonstrates how design and technology can scale seamlessly for some of the world’s most recognisable brands.

Cuberto

Cuberto is a digital design and technology agency focused on interactions, UX, and AI-enhanced experiences.

Services: Design, UX/UI, Development, Strategy

Clients: mapbox, Yandex, TradingView

Why they stand out: Cuberto is widely recognised for striking, highly interactive design systems and conversion-focused digital experiences.

How to choose the right design agency.

Not every agency will fit every need. Before making a choice, consider your scope: do you want a lean partner to launch an MVP fast, or a heavyweight to manage enterprise-scale change? Think about expertise: some excel at research and testing, others at design systems or visual execution. And don’t overlook the practicalities: budget, time zone, and cultural fit can make or break a collaboration.

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