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Donnerstag.ai

Category: AI in Fintech

AI-powered accounts receivable platform that digitises, validates and reconciles self-billed invoices for European suppliers, delivering end-to-end visibility and cash-flow optimisation. Donnerstag.ai was founded in 2025. The company is led by Barbaros Özbugutu. Based in Frankfurt am Main, Germany. Team size: 15. Total funding raised: €4.3 million (≈$4.97 million). Latest round: Seed. Key investors include Speedinvest (Lead), QED Investors, Crestone VC, European Business Angels.

Founded
2025
Headquarters
Frankfurt am Main, Germany
Team size
15
Total funding
€4.3 million (≈$4.97 million)

Value proposition

Reduces manual invoice processing time by up to 80%, eliminates payment-delay errors, and gives suppliers real-time cash-flow forecasts through predictive analytics.

Products and solutions

AI-driven accounts-receivable automation platform, Self-billed invoice tracking & reconciliation tool, Real-time analytics & reporting dashboard

Unique value

Only platform combining AI-driven invoice validation, real-time payment tracking and predictive cash-flow analytics specifically for self-billed invoices in the DACH SME market.

Target customer

SMEs and mid-market B2B suppliers in Germany, Austria and Switzerland that issue self-billed invoices, especially in manufacturing, logistics and wholesale trade.

Industries served

Manufacturing, Logistics, Wholesale trade, B2B e-commerce

Technology advantage

Proprietary machine-learning models trained on >2 M European invoices, seamless ERP integrations (SAP, DATEV, Microsoft Dynamics), and a rule-based dispute-resolution engine that auto-escalates anomalies.

How they differentiate

Donnerstag.ai differentiates through AI-powered real-time accounts receivable tracking focused on self-billed invoices for DACH SMEs, whereas competitors like SCHUFA focus on credit scoring and Fundbox/C2FO serve broader receivables financing.

Main competitors

SCHUFA, Fundbox, C2FO, Invoicera

Key partnerships

Speedinvest (lead investor & strategic partner), QED Investors, Crestone VC, European Business Angels Network, Integration partners: SAP, DATEV (pilot integrations announced 2024)

Notable customers

Mid-size German manufacturing firm (pilot), Swiss logistics provider (pilot), Austrian wholesale distributor (pilot)

Major milestones

Raised €4.3M Seed round in November 2025 led by Speedinvest and QED Investors, Launched AI-powered accounts receivable platform in Frankfurt (2024), Expanded operations to Austria and Switzerland (2025), Integrated with SAP and DATEV ERP systems (2025)

Growth metrics

Pre-revenue; pilot with 5 SME customers processing ~1.2 M invoices/month (reported Nov 2025).

Market positioning

Positioned as the first AI-only receivables-automation specialist for European SMEs, targeting a niche not covered by traditional credit-scoring firms.

Geographic focus

DACH region (Germany, Austria, Switzerland) with roadmap for broader European expansion.

Patents and IP

No patents or IP filings found in European Patent Office or USPTO databases as of Dec 2025.

About Barbaros Özbugutu

Serial fintech entrepreneur with 15+ years in payments and financial services. Former Co-Founder & CEO of iyzico (Turkey's leading payment platform), VP of Sales at Klarna GmbH, and Operations Manager at FirstData. Expertise in scaling fintech platforms and navigating European regulatory environments.

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