Consulting, planning, construction, acquisition, sale, management and rental of real estate as well as all related activities; purchase and sale of properties in Switzerland and abroad; brokerage of plots of land, construction projects and investors. Financial consulting and management of properties. Promotion and support of sustainable technologies and systems. Excluded are transactions prohibited by the Federal Act on the Acquisition of Real Estate by Persons Abroad (Lex Koller). The company may participate in other companies, establish subsidiaries and branches in Switzerland and abroad, acquire, manage and sell properties, securities or intellectual property rights of all kinds, arrange financing or grant loans, and provide securities or guarantees in favor of affiliated companies, and perform all legal transactions that may be necessary to achieve the purpose of the company.