FÜR DEUTSCHE VERSION BITTE HIER KLICKEN! Sperling & Kollegen is a boutique corporate law firm. Our practice is focused on civil law, corporate law, insolvency proceedings and restructurings as well as law of succession, family law and mediation. In addition, we have deep industry expertise in the area of renewable energy, especially solar photovoltaics, and are able to provide legal services and strategic consulting in this area. We are dedicated to providing our clients with best in class service and pursue the highest standards with respect to the quality and competence of our entire staff. Qualified professionals continuously trained and educated are the core asset of our firm.