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Supplier quote comparison
Compare two supplier offers on the same purchase quantity and cost basis.
ProcurementTHE TOOLBOX
Procurement tools
Compare quotes and price breaks, audit entered freight invoices, and assess purchase variances, make-or-buy scenarios, and supplier performance.
9 tools
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Quantity discount analysis
Weigh an all-units price break against ordering and holding costs.
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Purchase price variance
Separate favorable and unfavorable purchase-price differences from quantity.
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Supplier scorecard
Combine supplier ratings using your own normalized criterion weights.
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Supplier defective-unit PPM
Convert defective-unit counts into PPM and a unit-based defect rate.
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Make or buy
Compare relevant fixed and variable costs on a common volume basis.
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Early-payment discount
Compare invoice savings with the simple annualized cost of foregoing a discount.
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Supplier quality cost
Separate prevention and appraisal from internal and external failure costs.
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Freight invoice audit
Compare contracted and billed charges, with discrepancy and duplicate-review flags.
ProcurementCompare equivalent offers
Keep quantity, currency, delivery scope, payment basis, and quality expectations consistent. A supplier unit price is not always the cost to receive a usable unit. Price breaks may reduce purchase price while increasing carrying cost or exposure to obsolete stock. A make-or-buy crossover only has meaning within the volume and cost assumptions being compared.
Follow a variance with evidence
A scorecard summarizes the measures and weights selected; it does not establish an objective ranking independent of those choices. An invoice audit identifies review questions, not confirmed recoveries. Retain contract versions, approvals, source measurements, and invoice identifiers so a discrepancy can be resolved. Consider service risk, qualification, capacity, and switching effort separately before turning an arithmetic comparison into a supplier decision.