Creating Light for Professionals

How about making more with … L.E.S.S. ?

Our goal is to design and develop effective and innovative lighting solutions to ensure reliable, sustainable and competitive systems.


Our Vision

Become a major and innovative solution provider in the field of technical lighting.


Our values

Available and concrete innovation:
we bridge our key expertise and innovation potential to your industrial applications

User empathy:
we are focused on the final user needs by providing safe and ergonomic products

Responsible manufacturing:
we provide energy-efficient solutions that do not contain hazardous materials

The Founders

Yann Tissot is the inventor of the core technology. He holds a PhD in Optics from the Swiss Federal Institute of Technology (EPFL) and gained additional knowledge on systems management and entrepreneurship at Oxford University and the Babson College in Boston. Yann has an extensive network in the industry of optics and telecommunication and gained strong skills in team leading and go-to-market in the field of optics, telecom and space technologies.   LinkedIn

Simon Rivier holds a PhD in non-linear optics from the Max Born Institute of Berlin with a strong focus on ultra-fast phenomena and material luminescence. He subsequently specialized in the fabrication of nanostructures at the Swiss Federal Institute of Technology (EPFL) and worked with pioneers in the field of OLEDs. Simon is author and co-author of over 25 publications and more than 40 conference contributions.  LinkedIn

A multi-awarded company

L.E.S.S. thanks the following companies and organizations for their significant support through grants and prizes that supported them at an early stage.

2nd best Swiss startup (TOP100) - 2017
Best Swiss startup (TOP100) - 2016
Best Swiss startup (TOP100) - 2015
2nd best Swiss startup (TOP100) - 2014
>>venture>> business plan competition - 2014
Strategis Prize competition
- 2014
International Business and Management School (IMD) - 2013
Entrepreneurship Prize from the foundation W.A. de Vigier - 2013
venture kick I, II & III - 2012
Inspiration Grant from KPMG - 2011
Innogrant from the Swiss Federal Institute of Technology  in Lausanne (EPFL) - 2011