Provision of services in the areas of energy concept creation, planning, tendering, construction supervision and electricity trading. Creation and maintenance of photovoltaic systems, heating systems and other building technology installations. The sole proprietorship can acquire, encumber, manage and dispose of real estate in Switzerland and abroad. It can establish subsidiaries and branches in Switzerland and abroad, as well as participate in other companies in Switzerland and abroad. It can acquire, encumber, manage and dispose of copyrights, patents and licenses of all kinds.