Competence is defined as the ‘ability to apply knowledge and skills to achieve intended results.’ And so it is with ISO Auditor Competence. For Lead Auditors and their Audit Team Members, the requirements are spelled out.
In clause 4.3.3 of ISO 17021-1, the ISO Standard for Certification Bodies - competency is a crucial requirement for the certification body to have an implemented process for establishing competence criteria. This will be used for the personnel involved in the audit and other certification activities and to perform evaluations against these criteria.
Also, 'the certification body shall have processes for selecting, training, formally authorizing auditors and for selecting and familiarizing technical experts used in the certification activity.'
The initial competence evaluation of an auditor, by the Certification Body, ‘shall include the ability to apply required knowledge and skills during audits, as determined by a competent evaluator observing the auditor conducting an audit.’
Auditors are required to demonstrate specific knowledge and skills, including the following:
For Audit Team Members
For Lead Auditors, in addition to the four Knowledge and Skillsets, the following are also required:
Auditor competence, therefore, goes beyond a knowledge of the standard or the completion of a Certified Auditor Course.
Available ISO Lead Auditor Courses image map. Click on any course you are interested in to see its complete overview.
No! The two things to note are...
1) in determining competence, the auditor must be observed conducting an audit and
2) the Certification Body must provide the observer.
So, as required by ISO 17021-1, this is the certification body's responsibility, and it is the Certification Body that decides on an auditor's competence and maintains evidence of such competency.
Again, no! There are no such requirements in ISO 17021-1. The certification body must, of course, ensure the auditor's ongoing competence. Re-training, conversion training, and the extension of scope (add other ISO standards) may be part of maintaining competence. Experience over 25+ years tells us that practical and frequent experience in carrying out audits is a more significant component in maintaining competency than training.
Certified Auditor Training is essential, but it is only one step toward becoming a competent ISO Auditor.
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Note: First published July 2020; revised and updated June 2022.
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We have chosen ISO 21001 certification because, unlike IRCA and Exemplar badges (which in our opinion are commercially compromised), it is based on independent third-party assessment. It is a ‘university grade’ standard in use globally by schools, colleges, and universities to demonstrate their competence.