Participation in other companies in the fields of industry, trade, finance, movable and immovable property, purchase, sale, holding, management and development of commercial, residential and tourist properties in Switzerland and abroad, including holiday resorts and all facilities in the tourism, hotel and sports sectors, development and realization of real estate projects in these areas, purchase and sale of goods of all kinds, research and conduct of studies in the fields of manufacturing and marketing of goods, as well as provision of consulting and other services in the fields of trade, finance, real estate and tourism; full description of purpose according to the articles of association.