We are a medium-sized architecture firm with nine employees, successfully active for over 50 years in Eastern Switzerland, particularly in Toggenburg. As experienced partners, we support construction projects in all areas of building – from the initial idea to final implementation. Our clients include public institutions such as schools and municipal authorities, social organizations, private clients, and small to medium-sized businesses. Thanks to our long-standing presence in the region, we have in-depth knowledge of local conditions, building regulations, and specific requirements. Our core competencies are architecture and design, building technology, construction management, and professional cost and schedule management. We provide sustainable, functional, and economical solutions tailored to the needs of our clients in the region. As an architecture firm in Toggenburg, we place particular emphasis on personal support, clear communication, and reliable project execution.

We are highly active in the PHOTOVOLTAIC market in the TICINO region, where we operate with a physical location and a solid network of qualified suppliers and installers. We offer high-quality solar systems, guaranteeing efficiency, reliability and comprehensive support at every stage of the project. At the same time, we supply WINDOWS AND DOORS that offer excellent value for money and can meet all aesthetic and functional requirements, with customised solutions for every type of property. AS PROTECH is a leading innovator in renewable energy and high-performance building solutions. We specialize in designing and delivering cutting-edge photovoltaic systems, windows, and doors, operating as a general contractor to provide integrated, customized solutions for individuals, businesses, and public administrations. With a forward-thinking vision, AS PROTECH is committed not only to providing advanced technological solutions but also to fostering a culture of sustainability, actively contributing to building development and urban regeneration.