With its platform www.öko-zinsen.de , Öko Zins GmbH offers citizens the opportunity to invest with maximum transparency, social added value and attractive interest rates. At the same time, project sponsors such as municipalities, municipal companies or private-sector companies gain access to an alternative source of finance that is economical and beneficial to society. The company was founded in 2018 as an entrepreneurial response to the increasing demand for forms of investment that focus on growth markets for alternative energy and heat generation.