Harold
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Document-extraction tool that pulls, validates, and auto-corrects data from invoices before it reaches an ERP system.
What it does
Harold extracts structured data from supplier and customer documents such as invoices, receipts, and purchase orders, then validates the numbers with a rules engine before exporting clean data to an ERP, accounting tool, or Zapier flow. It flags mismatches like incorrect VAT totals and maps supplier aliases to internal IDs automatically.
Core features
AI extraction from invoices, receipts, POs, and statements
Rules-engine validation catching total/VAT mismatches
Supplier alias-to-internal-ID mapping
Configurable export templates (CSV, Excel, JSON, webhook)
Line-item level validation, not just header totals
Direct export to ERP, accounting tools, or Zapier
Best for
→Accountants avoiding missing or wrong invoice data
→Operations teams automating purchase order processing
→SMEs converting emailed documents into clean spreadsheet data
Pricing
Founder: £19/month (250 extractions/month)
Standard: £29/month (250 extractions/month)
Premium: £79/month (1,000 extractions/month)
Enterprise: £149/month (3,000 extractions/month)
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.