In Switzerland and abroad, execution of all general contracting work, provision of services and work covering all processes related to the construction of buildings and other structures, as well as all consulting and management activities in the fields of construction and renovation; realization of all real estate transactions, such as the purchase, sale, holding and construction of real estate, as well as all real estate investment, real estate development or related activities, including brokerage, management and administration of real estate, excluding any operations prohibited by the Federal Act on the Acquisition of Real Estate by Foreigners of December 16, 1983 (LFAIE).