The core activity of Multi Montagen GmbH is the execution of assembly, metal construction and renovation work, particularly in the following areas: renovations and conversions of residential and commercial properties, metal construction work, including the manufacture and installation of windows, doors and garage doors, master builder work, facade work, masonry and plastering work, floor covering work, consulting and construction planning for building and renovation projects. The company offers a comprehensive range of services, from planning to execution of building and renovation projects, and focuses on the Basel region.