Purpose – The purpose of this paper is to investigate issues related to the application of Lean Six Sigma (L6σ) in a service industry. By adopting a case‐study approach this paper analytically explores the critical success factors that affect L6σ implementation. Design/methodology/approach...

The purpose of this article is to increase the customer service level by expanding the method of application used by the mystery customer (MC) to resolve practical and concrete problems concerning the status of chain stores. The survival of organisations can often be dependent on their customer...