an accounts receivable management platform for suppliers,
Donnerstag.ai has raised €4.3M across 1 funding round from 4 investors, most recently a Seed round in Nov 2025. Based in Frankfurt, Germany; active in Fintech. 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 | |
|---|---|---|---|---|
| 2025-11-21 | Seed | €4.3M |
| Business Angels,Crestone VC,QED Investors,Speedinvest |
| View deal → |