Frankfurt-based accounts receivable platform Donnerstag.ai raises €4.3 million to expand across DACH

Frankfurt-based accounts receivable platform Donnerstag.ai has secured €4.3 million in seed funding to expand its AI-powered solution across the DACH region. This investment underscores the growing interest in European fintech and the automation of financial processes. Donnerstag.ai aims to bring clarity and efficiency to accounts receivable management for suppliers, addressing a critical need for transparency and reducing financial losses. The funding round was led by Speedinvest, with participation from QED Investors, Crestone VC, and several European business angels. The platform connects data from various systems to detect discrepancies, reconcile transactions, and predict potential revenue loss. Co-founded in 2025 by Barbaros Özbugutu and Volkan Özkan, the company leverages AI to transform financial control and is designed to learn from each customer's data patterns. This investment reflects a broader trend of significant funding in the European accounts receivable and working capital automation sector. Other companies like Mimo, Tapline, and Factris have also secured substantial funding to develop solutions for B2B payments, receivables pre-financing, and invoice factoring. The cumulative funding in this sector, based on recent announcements, totals approximately €127.7 million, indicating strong investor confidence in the growth potential of European fintech. The success of Donnerstag.ai, and similar firms, contributes to the development of European digital sovereignty by providing alternatives to US-based services. This trend of innovation and investment may lead to advancements in European financial technology and the digital economy.
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