OneCrowd GmbH is a digital investment platform that encompasses Seedmatch, Econeers, and Mezzany. It offers crowdinvesting services, focusing on innovative company financing (Seedmatch), sustainable projects (Econeers), and real estate investments (Mezzany). The platform provides various investment models, including subordinated loans and securities. OneCrowd targets private investors seeking to support startups and sustainable projects with small contributions. Its unique selling proposition is the ability to diversify investments across different sectors while promoting community-driven funding, allowing many small investors to collectively support innovative and sustainable ventures.