Glossary

A supplier price variance is the difference between the negotiated unit price recorded in a purchase order or price list and the unit price actually invoiced by the supplier. It is one of the most common, and most financially damaging, discrepancies in accounts payable workflows.

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Price variances arise from multiple sources: unilateral price updates applied by the supplier without notice, indexation clauses activated mid-contract, unit of measure changes (per kg vs. per item), or simply invoicing errors. Individually, each discrepancy may seem minor. Cumulatively, they represent a structural financial risk exposure that compounds over time.

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The numbers are unambiguous. Finance teams report overbilling rates of 5–10% on supplier invoices in high-volume procurement environments. On a company processing €10M in annual supplier spend, a 3% undetected variance equals €300K in overpayments, often discovered months later, when recovery is difficult and leverage is gone.

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The root cause is structural: manual supplier invoice validation cannot scale. When a retail operator manages 5,000 SKUs across dozens of suppliers, or a restaurant group receives hundreds of food invoices per week, line-by-line price checking becomes humanly impossible. Teams either sample, and miss, or skip controls entirely.

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AI-powered invoice verification eliminates this gap. Phacet automatically cross-references every invoiced unit price against the active negotiated reference, flagging variances in real time as a pre-payment control, before funds are released. Combined with 3-way matching, the system covers price, quantity, and purchase order simultaneously.

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The result: zero supplier price variance goes undetected. Every discrepancy is surfaced, documented, and actionable, before it becomes a loss.