The core activity of Brunoni & Leu AG is the provision of plastering services and related activities, in particular: plastering work (basic, finish, renovation, magnetic and thermal insulation plaster), thermal insulation in interior and exterior areas, renovation and conversion work, facade renovations, stucco work, drywall construction (walls and ceilings), and ceiling cladding. The company offers these services for interior walls and exterior facades, positioning itself as a specialist in renovations, conversions, and new constructions in interior and exterior areas.