PREVRA How to Get GMP Certified: A Step-by-Step Guide for Food Manufacturers
Everything you need to know about achieving Good Manufacturing Practice certification. Covers the standards, documentation, audit process, and ongoing compliance requirements for UK food producers.
Why GMP certification matters for your manufacturing business
GMP certification is not a legal requirement in the UK — and that is precisely why it commands commercial weight. When a major retailer or food service buyer evaluates suppliers, GMP certification signals that you operate to a verifiable standard above the regulatory minimum. Without it, you are locked out of whole categories of supply contracts before you even submit a tender.
The counter-intuitive part: the hardest section of a GMP audit is not production — it is documentation. Most manufacturers already follow good practices on the factory floor. What they lack is the paper trail to prove it. A GMP auditor will spend more time reviewing your records than walking your production line, because the records demonstrate that your standards are consistent, not dependent on which shift manager is on duty.
The GMP certification journey from preparation to certificate
Map your gap analysis first. Audit your current operation against the GMP standard — typically BRCGS, ISO 22000 prerequisites, or a retailer-specific code of practice. Document every procedure, every control, every verification step. Then run the system for a minimum period — usually three months — before your certification audit. The auditor needs to see evidence that your system is lived-in, not just written.
Digital SFBB accelerates this process by structuring your daily records into GMP-aligned formats from day one. Temperature logs, cleaning schedules, maintenance records, pest control reports, and training evidence all feed into a single audit trail. When the auditor asks to see six months of calibration records for your temperature probes, you produce them in seconds rather than searching through a filing cabinet.
Pitfalls that delay GMP certification by months
Three errors repeatedly surface. First: writing procedures that do not match what actually happens on the floor — the auditor will observe the discrepancy, and it counts against you more than having no written procedure at all. Second: neglecting supplier approval — every ingredient supplier needs documented approval, and missing certificates of analysis for a single raw material can stall your entire audit. Third: treating GMP as a one-off project — certification bodies conduct surveillance audits, and a system that was maintained for the initial audit but then abandoned will fail at the first annual check. Cross-reference with our HACCP Plan Example guide to build a complementary framework.
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