Lean-Sigma is not only intended for the manufacturing industry, so the service industry has not found the format of the application of Lean-Sigma. In general, Lean Six Sigma improvement-oriented management system. So it is possible that once applied to service companies.
Conceptually lean sigma can be applied to industrial / service companies because the emphasis is lean sigma improvement of the system by eliminating any waste in every process of production or service process in order to increase added value and to give satisfaction to the customer.