A&S Holzbau GmbH is a young and dynamic timber construction company with a modern approach, which emerged from the traditional company Benno Erni GmbH. Based in Wiesendangen, our team employs over 40 specialists in the fields of carpentry, joinery, tinsmithing, roofing, scaffolding and cranes as well as PV and solar systems. Thanks to our wide-ranging expertise, we can carry out all conversion work for you from a single source.

Whether it's the renovation or conversion of a single-family home, residential, commercial or public buildings - we are your reliable partner for efficient and sustainable construction at a solid level of quality. By combining traditional craftsmanship and innovative technologies, we offer our customers tailor-made and environmentally friendly solutions.