Who are we? esfera - your reliable provider for solar energy. Started as an architecture and real estate appraisal start-up in Bern, we have developed into a modern energy company in solar energy. Our photovoltaic systems convince not only through fast delivery times, but also through transparent processes that involve our customers at all times. Benefit from our support and always stay informed about the progress in planning, material supply and installation. With us you get the all-round carefree package!