The Six Sigma Group has an established track record for the provision of consultancy and training services to blue chip businesses stretching back more than 40 years The Six Sigma Group offer a wide range of training ranging from Six Sigma awareness and Green Belt training through to Black Belt and Master Black Belt Today The Six Sigma Group is one of Europe's foremost experts in Lean We are part of Bourton Group and we provide 40 years of experience in performance improvement and change management