The core activity of Giger Holzbau AG is timber construction, particularly the planning and execution of construction projects in the field of timber construction, including: timber construction, timber element construction, carpentry, renovation, new construction, facade construction, staircase construction, and Isofloc thermal technology. The company also offers planning and consulting services and specializes in the implementation of individual construction projects, ranging from single-family homes and multi-family homes to renovation of old buildings and agricultural buildings.