Wir haben mit der Keller Immobilien-Treuhand AG sehr gute Erfahrungen gemacht: immer sehr schnelle Rückmeldungen, man kümmert sich um die Anliegen, immer pünktlich. Wir haben uns tets gut betreut gefühlt.

Founded in 2017, we have already implemented over 1000 orders. Our customers include private individuals as well as small, medium-sized and large companies and public institutions such as municipalities, the canton and the federal government. We feel particularly at home in complex systems and with high technical requirements. Your advantage is our continuous training. We are responsible for: INSTALLATIONS ELECTRICAL INSPECTIONS ELECTRIC MOBILITY