Blueprint · Manufacturing
Supplier Invoice Automation for a Manufacturer
A blueprint for three-way matching across purchase orders, goods receipts and invoices in many formats.
Illustrative scenario. This shows how we would approach the problem. It does not describe a specific client, and the numbers are targets to validate in a pilot.
The situation
A manufacturer receives supplier invoices in dozens of layouts. The accounts team keys them into the ERP and chases mismatches by email. Early-payment discounts get missed.
Our approach
- Monitor the invoice mailbox and capture attachments
- Extract header and line items
- Run three-way match against ERP purchase orders and receipts
- Auto-post clean matches under an agreed value limit
- Draft supplier queries for mismatches
Typical stack
- LLM extraction
- ERP API connector
- n8n workflow
- Exception dashboard
What we would measure
| Metric | Target approach |
|---|---|
| Touchless invoice rate | Grow in stages from 0 toward agreed goal |
| Cost per invoice | Baseline, then track monthly |
| Early-payment discounts captured | Track before and after |
The lesson
Start with your top ten suppliers. They usually cover most of the volume, and you will find the format edge cases before you scale.
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