Provision of services related to the administration, leasing, brokerage, operation, maintenance, and upkeep of real estate. Provision of services as an architect, general contractor, project manager, construction manager, engineer, as well as the performance of planning and execution works in the construction industry. Trading in real estate and provision of all services related thereto, except for any transactions that require a permit under the Federal Act on the Acquisition of Real Estate by Persons Abroad.