We think, design or improve digital products & services by putting your users first.

:ratio is a web agency that specializes in ergonomics and design of websites, mobile apps, intranets and machine interfaces. Based in Lausanne and Fribourg, our UX team work closely with your team or handle your project from A to Z in collaboration with our network of partners.

A new service

We are now helping companies and startups
 to think and design connected objects.

Discover BIG ratio

Recent projects

Interfaces for digital health in Switzerland

Rethinking an application to appeal to the readership

Modernizing the n°1 traffic management app in Switzerland

These days, we are also working on the redesign of the site of the Cantonal Museum of Fine Arts, and we are collaborating with the CHUV’s communication team to improve its public website.

Have a look at our projects


The most alluring interface remains unsuccessful unless it is usable. At each step of your project, we place users at the center of our thinking in order to ensure an elegant and intuitive experience.


What problems are you looking to solve? For whom?
We help you state, refine and better formulate your goals. And meet your users’ needs.

  • Strategic workshop
  • Key performance indicators
  • Usability evaluation
  • Competitive analysis
  • Content strategy
  • Service design


Who are your users? What are their needs and behaviors?
Our expertise in user research methods allows us to test and validate your hypotheses, find potential problems and unseen opportunities.

  • User interviews
  • On-site observation
  • Online survey
  • User testing
  • Persona creation
  • Statistics and behaviors
  • Site search analytics


How are research findings translated into a concrete, user-adapted product?
We transform a clearly defined vision into tangible prototypes and graphically designed models.

  • Information architecture
  • Card sorting and tree testing
  • Design studio
  • Wireframes
  • Interactive prototypes
  • Responsive design
  • Visual design and style guides
  • Embedment in Agile teams


Through several years of experience, and with constant vigilance, we have acquired a multi-facetted expertise in the field of user experience. We further develop and share this knowledge by offering courses and attending or organizing conferences.

  • Introduction to UX for developers and graphic designers (ECAL, SAWI, CREA, Webmardi)
  • Client training in UX methods
  • Strategic monitoring for our clients
  • Founding and organization of UX Romandie monthly events
  • Launch and organization of UX Lausanne conference

They trust us

Industries, startups, government agencies and institutes, festivals and cultural organizations: we have contributed in enhancing the web user experience for major actors in the local economy.

Get in touch

Do you wish to create or enhance a website, an interface, an application, or a service? We are always eager for new projects. Come meet us and together we will evaluate if we are the right partner to collaborate with on your project.

+41 21 544 54 54 · info@8ratio.ch

Chemin de Boston 1 · 1004 Lausanne
Route de la Fonderie 2 · 1700 Fribourg

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