The Leipzig-based startup, founded in 2024 by Ralf Bonin, Christian Müller, Tobias Koehler, and Jochen Emig, focuses on "AI solutions for the hospitality industry.
Onsai has raised €1.0M across 1 funding round from 4 investors, most recently a round in Aug 2025. Based in Leipzig, Germany; active in AI. Data as of 7 Aug 2026.
Timing: in window vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2025-08-29 | Other | €1.0M |
| SIVentures,Business Angels,Willem van der Zee,Wolfgang M. Neumann |
| View deal → |
