baubüro in situ has been involved in the conversion, appropriation and renovation of buildings and the reuse of architectural elements for more than 25 years. The name of the firm indicates that they do not practise architecture from the office, but they are a construction firm which builds on site.

Component exchanges markets store building components that have been dismantled and repaired to promote component reuse and circular construction. They are called Bauteilbörsen in German-speaking Switzerland.

Madaster is a material passport platform. It provides detailed information on the materials and products used in buildings. This enables better reuse, waste reduction and circularity in the construction industry.