Service Level Agreements (SLAs) have increasingly become a best practice component of logistics contracts. However, there is currently only little empirical knowledge about the actual spread and design of SLAs. This is where the wide-ranging survey of German contract logistics companies, which was initiated together with the Gimmler Logistik Stiftung gGmbH, comes in. Based on the survey results, approaches to optimizing the use of SLAs are worked out from the point of view of the logistics company. The Gimmler Logistik...