Expert Six Sigma Consultants Six Sigma is about letting the data tell the true story and leading the practitioner to the “root cause” to solve complex problems that have multiple “factors” with varying degrees of impact on performance.

The primary difference between Lean and Six Sigma is that Lean is less focused entirely on manufacturing, but often shapes every facet of a business. Lean Six Sigma combines these two approaches, which creates a powerful toolkit for addressing waste reduction.