TS EN ISO 19011

TS EN ISO 19011 is a guideline standard for auditing quality and environmental management systems. It brings together the core ideas behind audit planning, audit program management, audit conduct, and auditor competence in one practical framework. In general technical terms, it is the kind of document organisations use to structure how audits are organised, performed, and followed up across management system disciplines.

Audit principles and programme management

The standard supports the view that an audit is more than a checklist exercise: it is a method for gathering evidence, evaluating it objectively, and reporting findings in a consistent way. In broader audit practice, the well-known principles include integrity, fair presentation, due professional care, confidentiality, independence, and an evidence-based approach. Audit programme management refers to the systematic planning of multiple audits, including their frequency, scope, resources, and coordination.

How quality and environmental audits differ in practice

Quality management system audits focus on whether processes are controlled and able to support intended product or service outcomes. Environmental management system audits focus on how environmental aspects are identified, controlled, and monitored within the organisation’s management system. This standard gives shared guidance for both areas, while also recognising that auditor competence matters: auditors need not only knowledge of the system being audited, but also the skill to collect evidence, assess it objectively, and communicate results clearly.

• Provides a common framework for audit principles.
• Gives guidance on managing audit programmes.
• Covers the application of quality management system audits.
• Covers the application of environmental management system audits.
• Addresses auditor competence as a key part of audit practice.