The core activity of Karl Gisi AG is the execution of construction projects, in particular:
* New construction of single-family and multi-family homes as well as public buildings
* Renovation and refurbishment of existing buildings
* Sanitation and modernization of older houses and apartments
* Demolition of houses and commercial properties
* Construction consulting and planning of construction projects
* Execution of special construction services such as core drilling, milling and cutting of concrete and masonry
* Grinding and refinement of subfloors
* Construction of sight walls and sight concrete work
The company thus offers a wide range of construction services and positions itself as a comprehensive service provider for construction projects of all kinds.