Spielmann Invest AG is the investment and holding company owned by Urs Spielmann. The company pursues a continuous growth strategy, which it finances from its own resources.

About us Hintermann & Ruffini Ltd is a new venture, but based on a long-standing, successful past. The young company was founded in 2018 by Stefan Hintermann. He will continue the success story of Giacomazzi & Ruffini Ltd thanks to many years of experience in the timber industry and various further education courses. Our Team We can count on many years of loyal staff. Our motivated, competent employees, who receive regular training, are one of the main reasons for our success. At the moment our team consists of 15 employees, who are led by Stefan Hintermann. In detail: 1 wood construction technician HF, 1 technician - draftsman, one administrative responsible person and 7 carpenters / roofers. Our story The success story started 30 years ago in the Maggiatal. Giacomazzi & Ruffini Ltd was founded in 1988 in Moghegno by Dario Ruffini and is still a successful venture in carpentry and roofing. In 2002 the company moved to Avegno. The wood construction business has grown steadily in the new, generously sized workshop with office and was able to count a large number of architects and private customers among its customers. Since September 1st, 2018, Stefan Hintermann is responsible for the newly founded timber construction company carpentry Hintermann & Ruffini Ltd . An apprenticeship as a carpenter, many years of experience in the timber industry, several years of further training as a timber construction technician and construction management expert are the best prerequisites to continue the success story of Dario Ruffini. OUR SERVICES • Roof • Roofer • Coverage • Tiles • Houses • Roof ridge • Roof control • Coverage control • Waterproofing • Roof repair • Maintenance • Pediment • Roof cleaning • Restoration • Redevelopment • Insulation • Restructuring • Under-roof • Wood • Costruction • Plumber • Tinsmithy • Skylight • Carpenter • Carpentry • Wood construction • Thermal insulation • Velux • Façade • Coibentazione • Prefabricated house • Modular houses • Wooden houses • Top-up's • Coatings • telaio • Eaves • X-lam • Coppi tiles • Eternit • Shed • Warehouse • Gutter • Technical office • Stable • Rustico • Roof truss