L.E.S.S. raises $22 million Series C Financing
05.03.2026L.E.S.S. SA, which develops ultra-thin nano active fiber lighting solutions for industrial vision, automotive applications and medical illumination, has successfully closed a USD 22 million (CHF 17 million) series C financing. The financing will be used to scale up the business.

L.E.S.S. SA is a Swiss high-tech scale-up, founded in 2012, that designs, develops and manufactures advanced lighting solutions based on its proprietary nano-active fiber technology. The LuxiBright technology delivers ultra-bright, ultra-uniform and ultra-thin lighting systems that outperform traditional LED technology in precision, efficiency and flexibility. These solutions are used across demanding technical applications such as industrial machine vision (for precise inspection), automotive lighting (including high-end signal and contour lights), and medical illumination, addressing both performance and energy-efficiency needs.
Recently L.E.S.S. SA presented the world’s first series production vehicle featuring LuxiBright technology marking a major milestone in automotive lighting, combining cutting-edge technology with visionary design.
“In a demanding market and challenging environment, closing an oversubscribed financing round, is a powerful vote of confidence in our strategy and execution. With key milestones achieved in recent months, we are now ready to accelerate at scale”, says Yann Tissot, CEO of L.E.S.S.
A LinkedIn post about the investment states: “In automotive lighting and machine vision, innovation only matters if it scales and scales with quality. Anchored by strong foundations and powered by momentum, we are now driving execution towards sustainable growth at scale.”
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