Supplier Audits in B2B Food Trade

Supplier audits in B2B food trade

Beyond certificates and laboratory analyses, the supplier audit is the most direct method to evaluate the actual reliability of a food production or processing partner. Where documents attest to compliance at a given point in time, the audit evaluates an organisation's processes, skills and quality culture — elements predicting long-term reliability.

Why audit your food suppliers?

A supplier can hold all necessary certifications (IFS, BRC, ISO 22000) while presenting operational risks not visible in documentation: undeclared subcontracting to an uncertified third party, gradual practice drift between two certification audits, overestimated production capacity relative to commercial commitments, or key staff turnover compromising quality stability. Direct audit, whether documentary or on-site, detects these signals before they become a commercial incident.

The different supplier audit levels

1. Documentary audit (desk audit)

First evaluation level, the documentary audit consists of remotely analysing all documents provided by the supplier: valid (non-expired) compliance certificates, latest certification audit reports with detail of identified non-conformities, product technical sheets, recent analysis results, and verifiable client references. This audit level is sufficient for lower-stake suppliers (small volumes, non-sensitive products).

2. On-site audit (physical audit)

For strategic suppliers — representing a significant share of purchase volumes for a given product — physical facility visit is strongly recommended. It evaluates elements invisible in documentation: actual condition of equipment and infrastructure, effective application of hygiene procedures by staff (not just their documented existence), real traceability management, and consistency between announced production capacity and observed facilities.

3. Third-party audit

For international transactions where a direct visit is not feasible short-term, using an independent audit body (SGS, Bureau Veritas, Intertek, or specialised local firms) provides an objective on-site evaluation without direct buyer travel. This audit type is particularly recommended before committing to significant volumes with a new supplier, especially in less familiar geographic areas.

Key control points of a food supplier audit

Audit frequency by risk level

Not all suppliers require the same monitoring level. A risk matrix approach is recommended: suppliers representing over 20% of volumes for a strategic product, or operating on sensitive products (meat, seafood), deserve a complete initial audit followed by annual or biennial follow-up audit. For less sensitive or low-volume product suppliers, a documentary audit renewed every two to three years may suffice.

The audit as a negotiation and partnership tool

Beyond its control function, the supplier audit is also an opportunity for technical dialogue allowing joint identification of improvement areas — quality, logistics, production capacity — strengthening the commercial relationship over time rather than limiting it to a simple transaction.