The core activity of Ernst Brunner Bewertungen GmbH is the valuation of all types of real estate, including single-family homes, condominiums, multi-family homes, mixed-use properties, residential and commercial buildings, industrial and commercial properties, building land, project valuations, and hotel and restaurant properties. The valuations are carried out in accordance with the Swiss Valuation Standards (SVS) and include various methods such as the comparative value method, income value methods, discounted cash flow method, and asset value method. The company also offers consulting services in the field of real estate, including the optimization of properties and the review of services provided by architects, general contractors, and real estate agents.