Lean Six Sigma + ISO: The Ultimate Quality Management Combination
Discover how integrating Lean Six Sigma methodologies with ISO standards creates a powerful framework for operational excellence.
Two Powerful Methodologies, One Goal
ISO management systems and Lean Six Sigma are often viewed as separate disciplines. In reality, they complement each other perfectly. When integrated effectively, they create a comprehensive framework for quality management and continuous improvement.
Understanding the Methodologies
What is Lean?
Lean focuses on eliminating waste and improving process flow. The core principles include:
- Identify value from the customer's perspective
- Map the value stream
- Create flow by eliminating waste
- Establish pull (produce based on demand)
- Pursue perfection through continuous improvement
What is Six Sigma?
Six Sigma is a data-driven approach to reducing variation and defects. It uses the DMAIC framework:
- Define: Identify the problem
- Measure: Quantify current performance
- Analyze: Find root causes
- Improve: Implement solutions
- Control: Sustain improvements
What Does ISO Provide?
ISO management systems provide a framework for standardizing processes and ensuring consistency. They emphasize:
- Documented processes and procedures
- Management commitment
- Performance monitoring
- Continuous improvement
How They Complement Each Other
ISO Provides the Framework
ISO standards establish the management system structure—the policies, procedures, and controls that ensure consistent operation. This creates a stable foundation.
Lean Six Sigma Drives Improvement
While ISO requires continuous improvement, it doesn't prescribe specific methods. Lean Six Sigma provides the tools and methodologies to actually achieve those improvements.
Synergies in Practice
- ISO's internal audit process can identify improvement opportunities; Lean Six Sigma can solve them
- Lean's visual management supports ISO's communication requirements
- Six Sigma's measurement systems support ISO's monitoring and measurement requirements
- ISO's document control ensures Lean improvements are standardized and sustained
A Combined Approach
Start with ISO
Establish the management system foundation first. This creates the structure and discipline necessary for sustained improvement.
Add Lean Principles
Incorporate Lean thinking into process design and daily operations. Visual management, 5S, and value stream mapping are excellent starting points.
Deploy Six Sigma for Complex Problems
When you encounter significant quality or process problems, apply Six Sigma's rigorous problem-solving methodology.
The Exceleor Difference
Exceleor brings both ISO certification expertise and Lean Six Sigma credentials to every engagement. Our consultants are certified ISO Lead Auditors AND Lean/Six Sigma practitioners.
This combination means your ISO implementation won't just achieve compliance—it will drive real operational improvement. Contact us to learn how an integrated approach can benefit your organization.