In over 30 trading companies, measures and techniques for the introduction and implementation of a comprehensive quality management system have been tested, and the experiences have been summarized in this guide. This includes methods for analyzing the current state, formulating the desired state regarding quality policy and objectives, leadership tasks and content, establishing quality-promoting structures, providing resources and employee potential, presenting performance internally and externally, procurement and order processing, capturing and influencing customer and employee satisfaction, as well as business results.