Donnerstag.ai secures €4.3M seed round to bring transparency and control back to suppliers
Donnerstag.ai secures €4.3M seed round to bring transparency and control back to suppliers
Full visibility into retail deductions
Pricing errors, retailer claims, and compliance issues — all in one platform.
Pricing errors, retailer claims, and compliance issues — all in one platform.






Short paid
Invalid deduction
Pricing mismatch
OTIF penalty


Why retail suppliers lose money every month
Why retail suppliers lose money every month
Retail supply chains generate massive transactional complexity — POs, ASNs, shipments, EDI messages, promotions, allowances and thousands of line-item deductions. Most of these are still validated manually or too late.
Retail supply chains generate massive transactional complexity — POs, ASNs, shipments, EDI messages, promotions, allowances and thousands of line-item deductions. Most of these are still validated manually or too late.
Shipment
EDI
Invoice
Deductions
Payments
Shipment
EDI
Invoice
Deductions
Payments
Shipment
EDI
Invoice
Deductions
Reconciliation Layer
Validated invoices
Visible discrepancies
24
Recoverable revenue
+$1.250
Cash-flow clarity
From data chaos to cash flow clarity
From data chaos to cash flow clarity
Donnerstag.ai sits between your operational data and your money. It connects shipments, EDI, invoices, deductions and payments into one reconciliation layer — so every discrepancy becomes visible, explainable and recoverable.
Donnerstag.ai sits between your operational data and your money. It connects shipments, EDI, invoices, deductions and payments into one reconciliation layer — so every discrepancy becomes visible, explainable and recoverable.
Contract
Agreement
Units
Line value
Status
PD-1056
25,000
€225,000
Claim created
PD-1057
18,400
€184,000
Match
PD-1058
32,000
€320,000
Discrepancy
Discrepancies are detected at line-item level and converted into claims.
See every discrepancy — before it hits your margin
See every discrepancy — before it hits your margin
Contracts, purchase orders, credit notes and shipments are automatically extracted, validated and matched. Errors turn visible instantly. Valid items turn green. Claims are created where they belong.
Contracts, purchase orders, credit notes and shipments are automatically extracted, validated and matched. Errors turn visible instantly. Valid items turn green. Claims are created where they belong.


1
Receive Data
2
Match Records
3
Flag Discrepancies
4
Generate Claims
5
Resolve & Recover
How Donnerstag.ai works for retail suppliers
How Donnerstag.ai works for retail suppliers
An end-to-end reconciliation engine purpose-built for retail complexity.
An end-to-end reconciliation engine purpose-built for retail complexity.
Recovered revenue
€1.2M
Fewer disputes
-48%
Faster cash realization
-12 days
Manual effort reduced
-55%
The impact on margins, cash flow and teams
The impact on margins, cash flow and teams
Less manual work. Faster recovery. Stronger retailer negotiations — powered by objective data.
Less manual work. Faster recovery. Stronger retailer negotiations — powered by objective data.
ERP
Retailer portals
EDI
Payments
Plugs into your existing retail stack
Plugs into your existing retail stack
No rip-and-replace. Donnerstag.ai integrates with ERP, EDI and retailer portals via APIs and standard connectors.
No rip-and-replace. Donnerstag.ai integrates with ERP, EDI and retailer portals via APIs and standard connectors.


Built for retail — proven across industries
Built for retail — proven across industries
Designed for retail suppliers, trusted by logistics, FMCG, wholesale and industry players.
Designed for retail suppliers, trusted by logistics, FMCG, wholesale and industry players.
Retail
FMCG
Logistics
Wholesale