The International Standard for Optimized Lean Six Sigma
Defining the LSSx.0 International Standard
Our Role
Lean Six Sigma International defines and maintains the LSSx.0 framework — an evolving Lean Six Sigma standard designed to structure methodologies and improve project performance.
Methodological Foundation
The LSSx.0 framework is based on structured problem-solving methodologies, including DMAIC and extended approaches adapted to different types of business challenges.
Foundation
Established in Belgium in 2003, Lean Six Sigma International was created to define consistent certification standards.
It now maintains a unified international framework applied across industries.
Accredited Delivery Model
Training and certification are delivered through accredited entities applying the Lean Six Sigma International standard.
All delivery formats operate under the same methodological, certification, and quality framework.
Accredited Training Delivery
Training programs are delivered by accredited entities applying the LSS International standard.
The Lean Six Sigma International Certification Pathway
The LSS International certification pathway is structured as a progressive framework, enabling the development of capabilities from operational execution to strategic leadership.
Each level defines specific competencies aligned with real-world problem-solving and performance improvement.
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