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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.

Based in Sarmenstorf, Switzerland, Retrotec is your reliable partner for custom technology solutions. From electrical engineering and IT networks to control systems and electronics, we bring your visions to life. With Swiss precision, extensive experience, and state-of-the-art technology, we deliver the highest quality standards to realize your projects efficiently and sustainably. Electrical Engineering: Tailored Solutions for Industrial Applications Retrotec provides bespoke control systems, energy management solutions, and custom machinery and prototypes. • Energy Efficiency & Security: Optimize your systems for sustainable energy use and transition to renewable resources with our expertise. • Custom Control Systems: Unique solutions designed to meet your specific needs, ensuring flexibility and operational excellence. Let us transform your challenges into solutions, from concept to commissioning. Electronics: Repair, Optimize, Innovate From developing innovative prototypes to restoring older systems, Retrotec offers comprehensive electronic services. • Retrofit: Modernize existing machines for enhanced performance and sustainability – an affordable alternative to new purchases. • Prototyping: Bring your product ideas to life with precision and attention to detail. • Repairs: Our extensive component inventory and reverse engineering expertise enable us to restore nearly any device. At Retrotec, innovation and sustainability are at the core of everything we do. Control Systems & Machinery: Custom-Made for Your Business Retrotec specializes in building customized machinery and control systems tailored to your exact requirements. • Specialized Solutions: From small series production to fully customized designs, we deliver what your business needs. • Industrialization Support: Transition smoothly from prototype to mass production with our expertise. Our mission is to exceed your expectations with intelligent engineering and top-tier quality. IT & Networks: High-End Technology for Maximum Performance In today’s digital age, Retrotec is your trusted partner for secure and high-performance IT and network solutions. • Data Centers: Efficient, scalable server rooms designed for maximum uptime and reduced operational costs. • Network Infrastructure: High-performance solutions featuring the latest hardware and connectivity technologies. • Cybersecurity: Safeguard your data with firewalls, VPNs, two-factor authentication, and more. Boost productivity, security, and speed with IT solutions designed by Retrotec. Why Choose Retrotec? • Swiss Quality: All our development, design, and manufacturing is proudly Swiss-made, ensuring precision and durability. • Sustainability: We prioritize eco-friendly processes and resource-efficient solutions. • Customer Focus: From initial consultation to delivery, our dedicated team supports you every step of the way. Start your next project with us! Visit our website at www.retrotec.ch to learn more about our services and capabilities.

Since 2015, Bräm AG in Dietikon has been your reliable partner for professional municipal and forestry work in the Limmattal, the Zurich region, and the canton of Aargau. Our company offers a comprehensive range of services tailored to your specific requirements. With an experienced and well-coordinated team and a modern, extensive fleet of machinery, we are fully equipped to efficiently and expertly handle projects of any size. Our services include: Weed Control Maintaining a neat appearance of your green spaces is our priority. We utilize effective and environmentally friendly weed control methods that ensure sustainable care while minimizing the use of chemicals. Whether it's for public areas or private gardens, we make sure your spaces remain weed-free. Street Cleaning Cleanliness is our strength. Using state-of-the-art technology, we clean streets, plazas, and pathways, ensuring a safe and attractive urban environment. Whether it's regular maintenance cleaning or specific clean-up operations after events or construction work, we are your reliable partner. Tree Felling Our tree felling services are characterized by precision and safety. We specialize in complex felling operations, even in hard-to-reach areas. We use gentle methods to protect surrounding plants and structures. Naturally, we also handle the disposal and transport of any resulting material. Garden Maintenance A well-kept garden requires continuous care. Our garden maintenance service ensures that your green spaces are always in top condition. Whether it’s lawn care, tree trimming, hedge or flower maintenance, we offer a comprehensive and professional service tailored to your individual needs. Site Clearance and Transportation The professional preparation of construction sites is one of our specialties. We manage the complete site clearance, including the removal and disposal of any material. Our efficient work ensures that your construction project can start on time without any delays. Winter Service Safe paths and driveways in winter are essential. Our winter service ensures that roads, walkways, and private driveways are cleared and gritted promptly. With our reliable and fast service, we make sure your paths are always safe to walk or drive on during snow and ice conditions. Your Local Expert in the Limmattal, Zurich Region, and Aargau Bräm AG is your trusted partner in the region. Our extensive expertise, combined with the latest equipment and technology, allows us to successfully complete projects of any size. Whether in the Limmattal, Zurich region, or Aargau, we are always here when you need us. Rely on Bräm AG for quality, reliability, and customized solutions. Let’s realize your project together and benefit from our passion for top-notch services.