How Do You Prepare for a Third-Party GMP Audit?
Getting ready for a third-party GMP audit can feel overwhelming — but with the right steps, it becomes a structured and manageable process.
Whether you’re a food manufacturer, supplement producer, or trading company, this checklist will help you confidently prepare, avoid non-conformities, and pass your GMP audit the first time.
🎯 Why Third-Party GMP Audits Matter
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Confirms your facility meets Good Manufacturing Practice standards
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Required for:
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Customer approval
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Regulatory compliance
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Market access and exports
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Builds trust with buyers and retailers
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Reduces risks of recalls, contamination, or enforcement action
✅ Pre-Audit Preparation Checklist (GMP Audit Readiness)
1. Review Your GMP Standard or Certification Criteria
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Understand which standard applies:
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Malaysian GMP (NPRA / MOH)
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ASEAN GMP
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Codex GMP or industry-specific versions
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Cross-check all clauses and requirements
2. Conduct an Internal GMP Audit
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Use an internal checklist based on the GMP standard
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Identify:
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Gaps in documentation
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Incomplete records
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Staff non-compliance
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Correct all findings before the third-party audit
3. Update and Organize Documentation
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Prepare:
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SOPs (Standard Operating Procedures)
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Cleaning logs
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Pest control records
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Equipment maintenance logs
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Training records
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Ensure everything is:
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Signed
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Dated
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Version-controlled
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4. Train Employees on GMP Awareness
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Cover:
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Personal hygiene
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Cross-contamination prevention
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Correct recordkeeping practices
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Conduct a mock Q&A session to prepare staff for auditor interviews
5. Inspect Your Premises
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Check:
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Cleanliness of production and storage areas
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Layout and material flow
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Pest-proofing and waste handling
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Proper signage and zoning
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Make necessary improvements in advance
6. Test Emergency Preparedness
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Have SOPs and evidence for:
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Fire drills
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Product recall procedures
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First-aid readiness
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Show you can respond to incidents without chaos
7. Verify Calibration and Equipment Validation
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Ensure:
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Calibration certificates are up to date
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Scales, thermometers, and critical equipment are tested
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Validation reports are available for key processes
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8. Communicate the Audit Schedule
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Inform:
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All departments about audit date and scope
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Line leaders to assign roles and responsibilities
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Assign a GMP audit coordinator to guide the process
🚫 Common Mistakes to Avoid Before a GMP Audit
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Last-minute document updates
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Dirty or disorganized production areas
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Missing training or calibration records
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SOPs that don’t match actual practice
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Untrained staff unable to answer auditor questions
📁 Key Documents Auditors Will Ask For
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GMP Manual or Quality Policy
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Master list of SOPs and records
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Training matrix and staff sign-offs
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Internal audit reports and CAPA records
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Supplier approval forms
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Cleaning and sanitation logs
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Product traceability records
🧠 Extra Tips to Impress the Auditor
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Prepare a clean, organized audit room with document folders
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Designate someone to escort the auditor and take notes
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Be honest — if you don’t know an answer, offer to check and follow up
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Focus on food safety culture, not just paperwork
🧩 Final Thoughts
A third-party GMP audit doesn’t have to be stressful — it just takes advance planning, staff awareness, and organized systems. When your team is trained and your records are in order, you’ll be audit-ready anytime.
💼 Need help preparing for a third-party GMP audit?
CAYS Scientific helps Malaysian food factories and SMEs with mock audits, training, documentation reviews, and full GMP compliance support. Let’s get you ready — and certified with confidence.