ISO 20121 Lead Auditor

Why should you attend?

ISO 20121 Lead Auditor training enables you to develop the necessary expertise to perform an Event Sustainability Management System (ESMS) audit by applying widely recognized audit principles, procedures and techniques. During this training course, you will acquire the knowledge and skills to plan and carry out internal and external audits in compliance with ISO 19011 and ISO/IEC 17021-1 certification process.

Based on practical exercises, you will be able to master audit techniques and become competent to manage an audit program, audit team, communication with customers, and conflict resolution.

After acquiring the necessary expertise to perform this audit, you can sit for the exam and apply for ISO 20121 Lead Auditor” credential. By holding a  Lead Auditor Certificate, you will demonstrate that you have the capabilities and competencies to audit organizations based on best practices.

Who should attend?

  • Auditors seeking to perform and lead Event Sustainability Management System (ESMS) certification audits
  • Managers or consultants seeking to master an Event Sustainability Management System audit process
  • Individuals responsible for maintaining conformance with ESMS requirements
  • Technical experts seeking to prepare for an Event Sustainability Management System audit
  • Expert advisors in Event Sustainability Management

Learning objectives

  • Understand the operations of an Event Sustainability Management System (ESMS) based on ISO 20121
  • Acknowledge the correlation between ISO 20121 and other standards and regulatory frameworks
  • Understand an auditor’s role to: plan, lead and follow-up on a management system audit in accordance with ISO 19011
  • Learn how to lead an audit and audit team
  • Learn how to interpret the requirements of ISO 20121 in the context of an ESMS audit
  • Acquire the competencies of an auditor to: plan an audit, lead an audit, draft reports, and follow-up on an audit in compliance with ISO 19011

Educational approach

  • This training is based on both theory and best practices used in ESMS audits
  • Lecture sessions are illustrated with examples based on case studies
  • Practical exercises are based on a case study which includes role playing and discussions
  • Practice tests are similar to the Certification Exam


A fundamental understating of ISO 20121 and comprehensive knowledge of audit principles.

Course agenda

Day 1: Introduction to Event Sustainability Management Systems (ESMS) and ISO 20121

Day 2: Audit principles, preparation and launching of an audit

Day 3: On-site audit activities

Day 4: Closing the audit

Day 5: Certification exam


The  ISO 20121 Lead Auditor exam fully meets the requirements of the  Examination and Certification Programme (ECP). The exam covers the following competency domains:

Domain 1: Fundamental principles and concepts of an Event Sustainability Management System (ESMS)

Domain 2: Event Sustainability Management System (ESMS)

Domain 3: Fundamental audit concepts and principles

Domain 4: Preparation of an ISO 20121 audit

Domain 5: Conducting an ISO 20121 audit

Domain 6: Closing an ISO 20121 audit

Domain 7: Managing an ISO 20121 audit program


After successfully completing the exam, you can apply for the credential  listed below. You will receive a certificate once you comply with all the requirements related to the selected credential.

  • ISO 20121 Provisional Auditor
  •  ISO 20121 Auditor
  • ISO 20121 Lead Auditor

General Information

  • Certification fees are included on the exam price
  • Training material containing over 450 pages of information and practical examples will be distributed
  • A participation certificate of 31 CPD (Continuing Professional Development) credits will be issued
  • In case of exam failure, you can retake the exam within 12 months for free