The Donors' Association for the Promotion of Humanities and Sciences in Germany (Stifterverband für die Deutsche Wissenschaft) recently awarded Söll with the seal of approval "innovative through research" (Gütesiegel „Innovativ durch Forschung“) for its efforts in research. The award was based on a survey on research and development in companies. Söll submitted data on expenditure, projects and employees in the research department as well as business performance indicators.