The guide "Improving Processes - Ensuring Business Success" supports managers and employees in successfully advancing and sustainably securing improvements in operational processes in everyday life. The goals are to continuously increase the value-added share of operational processes and to identify and avoid waste in the production and work systems of the entire company. The foundation for this is a clearly structured approach and the consistent use of numbers, data, and facts. The methodology takes into account success-relevant elements of proven improvement methods such as Six Sigma, PDCA cycle, 8-D report, REFA planning system, among others, in a pragmatic form. Proven tools are available in directly applicable formats for each step of the process. Illustrative examples from practice complement the offering. Since the first edition.