The research, development, construction, marketing in Switzerland and abroad, import-export and installation of renewable energy and energy-saving and/or energy optimization products. The execution of commercial and financial transactions. Participation in companies and commercial, industrial, financial and real estate companies in Switzerland and abroad. The purchase, sale and administration of real estate. The company may also carry out all commercial and financial transactions deemed necessary or useful or functionally connected with the company's purpose; establish branches or subsidiaries in Switzerland or abroad.