Acquisition, management and disposal of interests in companies of all kinds, primarily in the hotel and catering industry; establishment, operation, leasing and subleasing as well as consulting and management of any kind of business in the hotel and/or catering industry; operational consulting and management on its own account or on a contractual basis in Switzerland and abroad; trade in products of all kinds, in particular in connection with the hotel and catering industry; training and further education of executives from the hotel and catering industry as well as brokerage of services in these areas; investments; acquisition, establishment, encumbrance, conversion, renovation, management and sale of properties and real estate; taking up and granting loans; provision of guarantees and securities; acquisition, management and exploitation of intellectual property rights.