SAP S/4HANA Implementation for Ategris Healthcare

This document is a case study detailing the implementation of SAP S/4HANA for Ategris GmbH, a healthcare service provider in Germany. The case study outlines the challenges faced by Ategris, including the end of support for SAP ECC and the need for a transformation strategy. It describes the decision to adopt a greenfield approach, allowing for the standardization of processes during the transition. T-Systems was commissioned to manage this transformation, leveraging their expertise in SAP implementations within the hospital sector. The document explains the agile methodology employed, which involved successive implementation phases with close collaboration between Ategris' IT and business teams. It also highlights the integration of SAP S/4HANA with the existing SAP IS-H system in a two-system scenario. The case study concludes with the positive impact of the transformation on Ategris' process landscape and the benefits of the new Fiori user interface, which enhances user experience while maintaining access to the traditional SAP GUI.