Six Sigma is a set of methodologies and tools used to improve business processes by reducing defects and errors, minimizing variation, and increasing quality and efficiency. The goal of Six Sigma is to achieve a level of quality that is nearly perfect, with only 3.4 defects per million opportunities.

Six Sigma and Consultancy Six Sigma is a world-renowned business process improvement method that has integrated itself into numerous industries. Additionally, the Six Sigma methodology uses data-driven analysis to reduce production waste, increase process efficiency, and deter manufacturing defects.

The Six Sigma Methodology comprises five data-driven stages — Define, Measure, Analyze, Improve and Control (DMAIC). When fully implemented, DMAIC standardizes an organization's problem-solving approach and shapes how it ideates new process solutions.