How to Become a Certified ISO Lead Auditor (Step-by-Step)
A career as an ISO Lead Auditor offers global mobility, high demand and strong salaries. Here is the step-by-step path.
The 5-Step Path
- Education - degree or equivalent in a relevant field
- Work experience - 4+ years including 2+ in the relevant discipline
- Lead Auditor Training - 5-day IRCA/CQI-certified course
- Audit Experience - 20 audit-days including 4 complete audits as auditor/lead
- IRCA Registration - apply for the applicable auditor grade
Which Standards to Specialise In?
The highest demand in 2025 is for ISO 27001, ISO 9001, ISO 45001, ISO 42001 and ISO 14001 lead auditors. Multi-standard competence commands premium rates.
