Implementing Effective Internal Audits: A Guide to ISO 9001:2015 Clause 9.2
Learn how to implement effective internal audits with ISO 9001:2015 Clause 9.2. Discover audit planning, frequency, reporting, auditor selection, and best practices to strengthen your Quality Management System (QMS) and drive continual improvement.
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Introduction
Internal audits are an important part of making sure a company’s quality management system works well and meets ISO 9001:2015 standards. This blog explains how to plan and carry out internal audits effectively to check if the company is following its quality promises and improving wherever needed. Maxicert, a leader in ISO certification services, helps organizations understand and apply these audits to boost quality and success. With the right audit process, companies can find areas to improve and keep delivering great products and services.
9.2 Internal Audit
Internal audits are your secret weapon for quality. This guide to ISO 9001:2015 Clause 9.2 explains how to plan and conduct effective audits to verify your quality management system is working as intended. Learn to check if you’re doing what you said you would do, and use the results to drive real improvement in your organization.
9.2.1 Purpose of Internal Audits
The organization shall conduct internal audits at planned intervals to provide information on whether the quality management system:
- Conforms to:
- The organization’s own requirements for its quality management system;
- The requirements of this International Standard.
- Is effectively implemented and maintained.
9.2.2 Planning and Conducting Internal Audits
The organization shall:
- Plan, establish, implement and maintain an audit programme(s) including frequency, methods, responsibilities, planning requirements, and reporting. This programme shall consider the importance of the processes, changes affecting the organization, and results from previous audits.
- Define the audit criteria and scope for each audit.
- Select auditors and conduct audits to ensure objectivity and impartiality.
- Ensure the results of audits are reported to relevant management.
- Take appropriate correction and corrective actions without undue delay.
- Retain documented information as evidence of audit programme implementation and results.
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Frequency of Internal Audits
Audits should cover all quality-related activities you undertake and align with the standard’s requirements. When managing the audit programme and deciding audit frequency, consider factors such as:
- Are there complex procedures or processes justifying separate audits?
- How mature is your quality management system?
- Are there areas with a history of problems?
- Does your hands-on approach suggest less frequent audits?
Typically, all aspects of the quality management system are audited at least once within a 12-month cycle, though some processes may require more frequent audits.
Reporting Internal Audit Results
A report or summary for each audit should list all findings and any required actions. This record need not be complex. If previous audits required action, the current audit should check the effectiveness of these changes and record the findings.
Using Internal Audit Results
Information from internal audits should be a key input to management review. When nonconformities or inconsistencies are found, corrective actions should be developed and implemented within an established timeframe to prevent ongoing problems.
Audits can also reveal conditions that may not be nonconforming but carry risk. Such observations can be noted in audit reports so management may decide if preventive actions are necessary to avoid serious problems or losses.
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Who Should Conduct Your Internal Audits?
Auditors should, as much as possible, be independent of the work or processes being audited. In small organizations with limited personnel, this may not be feasible. In such cases:
- Managers acting as auditors must maintain objectivity and distance from direct operations.
- Organizations with two people may audit each other’s work or perform audits jointly.
- Cooperation with another small organization for cross-audits can be beneficial.
- External auditors from chambers of commerce, quality consultancies, or inspection bodies can be engaged if competent.
Example: A Small Company with 12 Employees
In this company, the owner (top management) and the QA manager (with dual roles as management and internal auditor) share quality responsibilities.
Guidance on establishing an internal audit programme, conducting audits, and evaluating auditor competence is provided in ISO 19011. This guidance should be adapted to the organization’s size, management model, and criticality of products and services.
Conclusion
Internal audits are the cornerstone of a truly effective quality management system. Rather than being a mere formality, they provide a crucial, objective look into your organization’s processes. By systematically planning and conducting audits, you not only verify that you are meeting your own requirements and the ISO 9001 standard but also uncover valuable insights for continuous improvement. The data and findings from your audit program are vital for management review, ensuring that your quality system remains a dynamic and powerful tool for achieving organizational goals and maintaining excellence. With Maxicert’s expert support in ISO certification and auditing practices, organizations can transform internal audits into a strategic advantage—strengthening compliance, driving performance, and fostering a culture of continual improvement.
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FAQ
Internal audits help verify that your Quality Management System (QMS) is operating as planned and complies with both your organization’s internal requirements and ISO 9001:2015. They also identify opportunities for improvement and ensure the system remains effective.
The frequency of internal audits depends on the importance of the processes, associated risks, and previous audit findings. Generally, every part of the QMS should be audited at least once a year, while high-risk or critical processes may require more frequent audits.
Internal audits should be carried out by competent, objective, and impartial auditors who are independent of the activities being audited whenever possible. In smaller organizations, where full independence may not be practical, auditors should still maintain objectivity and avoid conflicts of interest.
When nonconformities are identified, the organization should take corrective actions without unnecessary delay to eliminate the root causes. Follow-up activities or audits are then conducted to verify that the corrective actions have been effectively implemented and that the issues do not recur.
