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 – ensuring process descriptions match on-site activities.

◾Check records and documents: inspection sheets, internal reports, and corrective action reports – ensuring a logical sequence without gaps.

◾Define roles for each management level: from department heads to front-line staff, identifying who is responsible for output quality.

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

◾Conduct a final internal audit: ensuring an honest reflection before entering the official assessment period.

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, and noise – assessing based on output, technology, and new raw materials.

◾Check legal compliance: environmental registration records, periodic reports, discharge permits, and hazardous waste storage – ensuring they are complete and valid.

◾Verify control actions: equipment, training, and treatment system operations – supported by logs or evidence reports.

◾Internal communication on environmental policy: ensuring staff understand and follow instructions correctly.

◾Prepare measurement & monitoring data: electricity, water, and raw material consumption – with continuous data 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:

◾Review systems and conduct mock assessments

◾Finalize evidence documentation

◾Help businesses confidently pass audits with excellent results

Refer to ARES Vietnam’s ISO Certification services