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A user experience and usability consulting agency, striving to design user-friendly and intuitive interfaces and make the Web a better place to experience and enjoy. Based in Lausanne Switzerland, we put our passion and creativity at the disposal of companies desiring to improve the usability and user experience of their websites, extranets, intranets, as well as mobile, Web and desktop applications.

:ratio Questions

The :ratio annual revenue was $5.5 million in 2026.

Yann Ringgenberg is the Founder and managing director of :ratio.

18 people are employed at :ratio.

:ratio is based in Lausanne, Vaud.

The NAICS codes for :ratio are [54143, 54, 5414, 541].

The SIC codes for :ratio are [73, 733].

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