Construction assembly, crane work, planning/construction management in the field of high-rise construction. The company can acquire and transfer patents, trademarks and industrial know-how and conduct all financial transactions related to the fulfillment of its purpose, in particular take out loans. The company can acquire, manage and sell real estate in Switzerland and abroad, acquire, manage and sell copyrights, patents and licenses of all kinds, establish branches in Switzerland and abroad, and participate directly or indirectly in other companies in Switzerland and abroad.