SUSTAINABLE DEVELOPMENT EXPERTS In France and Germany For over 20 years, our teams of lawyers, tax advisors, auditors and business consultants have brought together a wide range of expertise and experience in the area of sustainable use of energy. We accompany banks, companies and local authorities in all of their sustainable energy endeavours. Sterr Kölln & Partners’ offers a unique integrated approach to sustainable energy projects. Our multidisciplinary team is able to address and effectively resolve all issues arising in the course of the structuring, development and financing of such projects. We provide sound strategic advice on accounting, legal or tax issues.