wiwin GmbH

WIWIN (wiwin GmbH & Co. KG) is a German financial intermediary that specializes in sustainable investments. Based in Mainz, the company operates as a broker for Effecta GmbH and focuses on crowdinvesting to connect private investors with sustainable projects. WIWIN is recognized as Germany's leading sustainable crowdinvesting platform, emphasizing investments in renewable energy and impact startups, often with low entry amounts.

The company offers a crowdinvesting platform where investors can select projects such as wind and photovoltaic plants, innovative startups, and energy-efficient real estate. WIWIN also provides subordinated loans, like those for SIRPLUS, a startup aimed at reducing food waste. Additionally, it collaborates with partners like Tomorrow and Inyova to offer themed portfolio investments and sustainable banking services. WIWIN-Magazin serves as a resource for insights on sustainable investments and market trends.