Helvetia Environnement SA is a leading Swiss company specializing in the collection, sorting, recycling, and energy recovery of industrial and household waste. Headquartered in Carouge GE, it operates 13 sites across Switzerland, treating over 500,000 tons of waste annually with 500 employees.

Magenta Eko in Crissier is a Swiss sustainable real estate company dedicated to improving building energy performance , environmental efficiency , and sustainable construction practices . Based in Crissier, Vaud , the company supports property owners and professionals in eco-friendly renovation , sustainable building design , and long-term asset optimization . As a multidisciplinary hub for sustainable construction , Magenta Eko provides services such as energy optimization of buildings , low-impact construction strategies , responsible deconstruction , carbon footprint reduction , and circular economy solutions for real estate projects. The sustainable materials library is a key resource, offering access to eco-materials , recycled construction products , bio-based materials , and innovative sustainable building solutions . It enables professionals to make informed decisions based on environmental impact , durability , and energy efficiency . Magenta Eko also delivers training programs in sustainable construction , workshops on green building , and awareness sessions on circular economy and eco-materials . These initiatives actively support the transition toward sustainable real estate development in Switzerland.