ISO 18404:2015 defines the competencies for the attainment of specific levels of competency with regards to Six Sigma, Lean, and "Lean & Six Sigma" in individuals, e.g. Black Belt, Green Belt and Lean practitioners and their organizations. Yellow Belt is not included in ISO 18404:2015. ISO 18404:2015 excludes Design for Six Sigma.

This International Standard therefore sets out the separate competency requirements for Six Sigma and Lean implementation; it also sets out a combined competency framework for “Lean & Six Sigma”. In so doing, it focuses on the competencies (skills and abilities) to deliver benefits to an organization rather than defining the specific educational level required for each role.


ISO 9001 Quality ISO 17025 Laboratory ISO 21001 Education ISO 29990- 29993 Learning & Development ISO 13485 Medical Devices ISO 15189 Medical Laboratory ISO 10000 Series Customer Satisfaction ISO 30301 Records/Document ISO 18404 Lean Six Sigma ISO 21500 Project Management ISO 20700 Management Consultancy ISO 16949 Automotive Quality Management JCI Accreditation
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