An ISO audit is not merely the final step to obtain certification; it also serves as a test of an organization’s management capability and system implementation. Many businesses discover the difference between a “paper-based system” and “actual operations”: processes may not align with day-to-day activities, records may lack evidence, and staff may not fully understand their roles.

Therefore, preparing before the audit is a critical opportunity to adjust processes, data, and responsibilities—all of which must be demonstrated through concrete actions and documentation.

Below is a practical checklist for each ISO standard, distilled from ARES Vietnam’s experience with numerous enterprises in Vietnam.

Key checklist before ISO 9001, ISO 14001, and ISO 45001 assessments

1. ISO 9001 – Strengthening The Quality Management System

ISO 9001 assesses the ability to control quality at every stage. An effective system not only meets the standard but also helps leadership identify bottlenecks and drive continuous improvement.

Pre-audit checklist for ISO 9001:

◾Review key processes: sales, production, delivery, and customer service – ensure documented procedures reflect actual operations.

◾Check records and documentation: inspection forms, internal reports, corrective action logs – maintain logical consistency.

◾Clarify roles at all management levels: from department heads to frontline staff, specify responsibilities for output quality.

◾Review quality objectives: ensure indicators are measurable and results are periodically analyzed.

◾Conduct a final internal audit: confirm findings accurately reflect reality before the formal audit.

ISO 9001 – strengthening the quality management system

2. ISO 14001 – Controlling Environmental Impacts

ISO 14001 requires businesses to demonstrate the ability to manage environmental risks in all activities. The audit examines whether the organization truly mitigates negative impacts rather than merely documenting them.

Pre-audit checklist for ISO 14001:

◾Update environmental aspect identification: waste, emissions, noise – assess according to production, new technologies, and raw materials.

◾Verify legal compliance: environmental registrations, periodic reports, discharge permits, hazardous waste records – ensure completeness and validity.

◾Confirm control actions: equipment, training, and operation of treatment systems – maintain logs or evidence reports.

◾Communicate environmental policy internally: ensure staff understand and follow guidelines.

◾Prepare measurement and monitoring data: electricity, water, and raw material consumption – maintain continuous records and trend reports.

ISO 14001 – controlling environmental impacts

3. ISO 45001 – Building a Safety Culture

ISO 45001 places people at the center, evaluating the level of safety and health protection for employees. An effective safety system not only achieves certification but also ensures staff remain genuinely safe every day.

Pre-audit checklist for ISO 45001:

◾Review safety risks and opportunities: update based on new working conditions, changes in production lines, facilities, or subcontractors.

◾Ensure complete safety training records: especially for high-risk positions (working at heights, electricity, pressure equipment).

◾Verify corrective actions: maintain documentation, root cause analysis, and preventive measures.

◾Assess employee engagement: ensure workers and team leaders are heard and can report workplace hazards.

◾Check emergency preparedness: drills, equipment, and communication procedures – verify regularly and maintain supporting records.

ISO 45001 – building a safety culture

Preparing ahead of an ISO audit allows businesses to validate system effectiveness and align processes, data, and personnel. When all elements work in harmony, ISO certification reflects genuine sustainable management capability rather than merely being a document.

If your organization is entering the ISO preparation phase, ARES Vietnam is ready to support you by:

◾Reviewing your system and conducting a trial assessment.

◾Completing documentation and evidence records.

◾Helping your organization confidently pass the audit with excellent results.

Refer to ARES Vietnam’s ISO Certification Services for more details.