Supplier Evaluation vs Supplier Audit
Compare supplier evaluation (scoring-based assessment) with supplier audit (on-site verification) — two complementary approaches to supplier quality management.
Supplier Evaluation
Supplier Audit
Detailed Comparison
| Feature | Supplier Evaluation | Supplier Audit |
|---|---|---|
| Approach | Scoring-based (1-5 scale) | Inspection-based (pass/fail) |
| Location | Remote (desk review) | On-site (supplier facility) |
| Time Required | 1-2 days | 2-5 days |
| Depth | Broad overview | Deep verification |
| When to Use | Regular performance reviews | Before onboarding, quality issues |
Quick Summary
- ✓ Supplier evaluation is a regular, low-cost assessment using scores and metrics to track performance.
- ✓ Supplier audit is an intensive, on-site verification of compliance with quality, safety, and regulatory requirements.
- ✓ Use evaluation routinely and audits strategically — evaluate annually, audit based on risk or before critical engagements.
When to Use Each
Choose Supplier Evaluation
Use supplier evaluation for regular performance management. Score all active suppliers quarterly, and use the results for renewal decisions and improvement plans.
Choose Supplier Audit
Use supplier audit for critical situations: before onboarding a new supplier, after quality issues, for regulatory compliance, or for high-risk categories.
Frequently Asked Questions
How often should I audit key suppliers?
Annually for critical suppliers, every 2-3 years for standard suppliers, and immediately after any quality incident.
Can evaluation replace audit?
No. Evaluation identifies performance trends; audits verify actual compliance. Both are needed for complete supplier management.
Who should conduct supplier audits?
Ideally a cross-functional team including quality, procurement, and technical experts. Third-party auditors add objectivity.
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