FenX, founded in 2019 as an ETH Zurich spin-off, is a Swiss cleantech startup based in Turgi, near Zurich. The company transforms industrial mineral waste into high-performance, sustainable insulation materials for the construction industry. FenX's innovative technology produces non-flammable, recyclable insulation panels with a minimal carbon footprint.

Led by CEO and co-founder Etienne Jeoffroy, FenX has grown to a team of 13 professionals. The company has attracted significant interest, receiving 150,000 Swiss francs from the Venture Kick funding initiative in 2019. FenX aims to address the construction industry's need for affordable, safe, and eco-friendly insulation materials.

FenX's approach involves offering turnkey production units to building material manufacturers, enabling them to produce insulation panels on-site. This strategy aligns with circular economy principles and reduces transportation costs. The company's technology can potentially transform various types of mineral waste, including fly ash and mining residues, into valuable construction materials.

In 2022, FenX was selected for the Venture Leaders Cleantech program, showcasing its potential in the sustainable construction sector. The company continues to develop its technology and expand its partnerships, working towards its goal of creating more sustainable and energy-efficient buildings worldwide.