The core activity of Guido Hossmann Gips is the execution of plastering work, particularly in the area of conversions and renovations. This includes, among other things: all plastering work, base coat, finish coat, smooth finish, abrasion, damage repair, drywall construction, partition walls, suspended ceilings, acoustic ceilings, fire protection cladding, facade insulation/thermal insulation, base renovation, stucco work, Stucco Veneziano, and Naturofloor. The company also offers consulting services, particularly in the area of planning conversions and renovations.