This book informs the reader about the growing importance of customer magazines in the B2B sector. The development and significance of corporate publishing are presented using the example of the construction company Köster AG, which operates in the B2B field. The work is divided into three main parts. The first part lays out the theory and facts of a customer magazine. The main part of this book deals with the analysis of the customer magazine BAUIMPULSE, the magazine of Köster AG. This example aims to explain the criteria that a perfect customer magazine meets, what content or messages it contains, and how to select the appropriate format. The third part introduces the methods currently employed by Köster AG and new approaches to measuring the success of corporate publishing.