Verum Lignum GmbH – Nature-Conscious | Solution-Oriented | Straightforward Verum Lignum GmbH stands for true craftsmanship, the highest quality, and sustainable solutions centered around wood as a building material. As an experienced specialist in timber construction , modern carpentry , durable roofing , and high-end joinery and design work , we execute projects with passion and precision – from classic roof structures to custom-made interior fittings. Whether it’s a private home, commercial development, or a unique design piece – we combine traditional craftsmanship with innovative techniques to create long-lasting and aesthetically pleasing results in wood. Our carpenters and joiners work closely with architects, builders, and designers to bring your vision to life with accuracy and care. Our services at a glance: • Timber Construction : Load-bearing wooden structures, extensions, additions, and more • Carpentry : Roof trusses, carports, balconies, wooden facades • Roofing : Roof coverings, roof renovations, waterproofing • Joinery : Custom furniture, built-in wardrobes, wooden staircases • Design Work : Bespoke wood solutions for interiors with aesthetic appeal Trust in the expertise and reliability of a master craftsman company – Verum Lignum GmbH is your partner for holistic timber construction projects with character. Get in touch today and bring your wood-based project to life!

Project Evolution SA is a company specialized in the construction of energy-efficient wooden houses and buildings. With over 20 years of experience and an operational headquarters in Grono (Canton of Graubünden) since 2020, it is organized to operate throughout Switzerland , managing every construction phase: from planning to final delivery. We work with Swiss precision and a rigorous technical approach, focusing on site organization, timeline compliance, and cost transparency. Structures and Building Systems • Wooden structures using X-LAM system with high static and energy performance • Prefabricated eco-friendly walls , with battens, double mineral wool insulation, and breathable finishes • Custom solutions for single-family homes, villas, extensions, elevations , and multi-storey buildings (up to 7 floors) Insulation and Living Comfort • Natural breathable insulation in rock wool or wood fiber • External thermal insulation systems using ecological, high-efficiency materials • Drywall partitions and suspended ceilings , perfectly smoothed and finished • Carefully executed interior finishes: smoothing, leveling, and surface preparation Interior Works and Installations • Supply and installation of high-efficiency windows and doors • Interior wall cladding and partition walls in drywall • Full coordination of technical installations (electrical, plumbing, mechanical ventilation) Sheet Metal and Roofs • Construction of ventilated and waterproof roofs • Custom-made metal sheet works : copper, aluminum, stainless steel • Gutters, flashings, chimney caps, and external finishes with maximum attention to detail Logistics and Material Transport Even the most complex construction sites are no challenge for us: we transport materials using any necessary method, including crane trucks, tractors, helicopters , or special solutions for isolated or hard-to-reach areas. Efficient organization is one of our core values. Why Choose Project Evolution SA • ✅ Over 2,000 projects completed in Switzerland and Italy • ✅ Advanced shell approach , with a single technical point of contact • ✅ Accuracy in installation, hidden details, and site management • ✅ On-time and on-budget delivery, no surprises • ✅ Expertise in eco-construction and certified natural materials • ✅ Solid experience with prefabricated and sustainable buildings Building with wood in Switzerland? Trust Project Evolution SA We create your eco-friendly wooden house, your sustainable building, or your custom project with maximum technical competence and attention to detail. From design to installation – we are by your side at every step. 📍 Active throughout Switzerland – Contact us for a quote or a personalized consultation.