Invoice and Accounting Automation with OCR

Invoice and Accounting Automation with OCR

Business impact
  • -60%

    manual data entry time

  • -70%

    invoice processing errors

  • Three-way matching

    checks invoices against orders and receipts

  • Human-reviewed

    low-confidence exceptions route for validation

Business Challenge

Invoices arrived as email PDFs, scans, EDI records, and occasional receipt photos, then staff entered their details by hand. Manual coding and matching were slow and errors often surfaced later during reconciliation.

  • Formats varied across suppliers and submission channels.
  • Teams keyed vendor, amount, line items, and coding manually.
  • Purchase-order matching added another repetitive step.
  • Errors took time to trace after they reached reconciliation.
AI Opportunity

Most invoice formats contain recognizable fields suitable for OCR extraction. Low-confidence or unusual documents can be routed to staff while routine invoices continue through the approval workflow.

  • Extract standard fields from different document formats.
  • Match invoices with purchase orders and goods receipts.
  • Apply accounting rules based on prior coding patterns.
  • Escalate exceptions instead of posting uncertain data.
Solution

We built an OCR pipeline that extracts invoice data, performs three-way matching, and applies learned GL coding rules. Clean matches move to approval in the ERP, while uncertain cases go to an accounting reviewer.

  • Process invoices from email, scans, EDI, and receipt images.
  • Check extracted fields against orders and goods receipts.
  • Route verified invoices into the existing ERP approval queue.
  • Send low-confidence reads and mismatches for human validation.
FAQ
Technology Stack
  • Optical character recognition (OCR)

  • Python document processing

  • Azure AI Document Intelligence

  • Machine learning invoice extraction

  • OpenCV image preprocessing

  • Robotic process automation (RPA)

  • ERP and purchase-order integration

  • Human-in-the-loop validation

  • AI-powered invoice data extraction

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