Everything you Need to Know About ISO 9001 Certification Audit


A certification audit is done by a certification body against a chosen standard. As per businessdictionary.com, certification is a “formal procedure which an accredited or authorized person or agency assesses and verifies (and attests in writing by issuing a certificate) the attributes, characteristics, quality, qualification, or status of individuals or organizations, goods or services, procedures or processes, or events or situations, in accordance with established requirements or standards”.
To get certified to a standard, such as ISO 9001, a company needs to go through a certification audit and clear the audit. Once company passes the certification audit, it is issued a certificate which signifies that the company is compliant to the requirements of the selected standard. The certificates are valid for a 3-year period; after which the company needs to be re-certified. The certification audits are carried out by certification bodies. The certification bodies are usually accredited to forums like ANAB (US), UKAS(UK), JAS-ANZ (Australia), etc. Accreditation is the formal recognition that a certification body operates according to international standards, through it is not mandatory that the certification body should be accredited. Reputation of a certification body is an important criterion in choosing a certification body.
The certification audit is carried out in 2 stages, Stage 1 and Stage 2. Once company achieves certificate after clearing Stage 1 and Stage 2 audits, surveillance audits are conducted at a fixed frequency, typically annually, to ensure that the systems are maintained by the certified organization.
The purpose of the Stage 1 is to determine if the company meets the requirements of the standard and also to evaluate the company’s readiness to face the Stage 2 audit. The review is usually conducted on-site and is done to determine the following:
Some of the key activities that the auditor will carry out during Stage 1 audit are:
The purpose of the Stage 2 audit, also referred as the certification audit, is to check that the management system is applied as per documented procedures and meets the requirements of the Standard. The auditor will determine the compliance to the standard by:
The auditor usually sends an audit plan prior to the audit or discusses it during the site visit. Audit plan will typically list all the departments/functions to be audited, the date and time of the audit, auditor’s and auditee’s names and ISO clauses that would be covered under each department being audited. You can expect the following activities during the audit:
The audit report will typically have findings reported as:
The company shall carry out root cause analysis on all the nonconformities found by the auditor and take corrective actions. The company need to respond to the auditor with corrections/corrective actions taken in a fixed time frame in the audit report. The reports submitted by the company is verified by the auditor and certificate issued upon approval by the auditor.
Author: Avital Koren

Avital Koren
Avital is passionate about small business and working with entrepreneurs. She was the first to identify and address the needs of small businesses in management systems.
100% success – Certification is guaranteed!

Improved operational control

We are ISO 9001 certified

User friendly systems trusted by certification bodies and auditors.

Get a system within 6-8 weeks
“ISO Global proved that the process doesn’t have to be difficult, lengthy or stressful”
“Our certification auditor described the system as “excellently done”
“Thank you and your team for the hard work and for holding our hand along the way”
© 2025 — ISO Global. All Rights Reserved.