Planning, design and implementation of services in the field of renewable energy, in particular from wind and solar energy. Furthermore, execution of renovation and new construction projects, as well as provision of services in the construction industry; assumption of construction management tasks, construction and project management mandates; national and international trade in goods of all kinds. The company may establish branches in Switzerland and abroad, participate in or establish other companies, or acquire or sell acquired companies. It may acquire, hold or exploit real estate and intellectual property rights, as well as securities. It may take out and grant loans, as well as provide guarantees and other securities. It may carry out all commercial and financial transactions that may be conducive to the realization of its purpose.