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10 Supplier Invoice Management Tips for UK Businesses

Small changes to how you manage supplier invoices can save hours every month and prevent costly errors. Here are the ten tips that make the biggest difference.

1 July 20256 min read
  1. 1Get invoices out of email immediately — email is not an invoice management tool. Forward to a dedicated system within minutes of receipt.
  2. 2Extract data digitally — never retype figures from a PDF. OCR and AI make this unnecessary and error-prone.
  3. 3Check supplier VAT numbers — HMRC won't allow reclaim on invoices from unregistered suppliers. Verify on the HMRC portal.
  4. 4Use your accounting software's nominal codes consistently — inconsistent coding makes reports meaningless.
  5. 5Set payment terms in advance — agree net 30 or net 60 before the first invoice arrives to avoid due date confusion.
  6. 6Watch for early payment discounts — some suppliers offer 1-2% for payment within 10 days. On large invoices this adds up.
  7. 7Match every payment to an invoice — unmatched bank transactions create reconciliation problems at year end.
  8. 8Implement duplicate detection — check invoice numbers against your records before approving.
  9. 9Keep original PDFs with every bill — your accounting software should have the source document attached, not just the extracted data.
  10. 10Review your AP process quarterly — what worked at 20 invoices/month may not work at 100. Regularly check for bottlenecks.

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