A company’s ability to change increasingly depends on the ability to change its IT, something referred to as “IT-agility” here. High IT-agility can contribute to increased business agility and thus create a competitive advantage. In this paper we focus on the IT application systems landscape, a resource of significant importance for the IT-agility and competitiveness of a company. To manage IT-agility it must be measurable. In our research, a goal hierarchy and a derived performance measurement (key figure) system was developed to measure and actively manage the agility of IT application systems landscapes. This measurement model is scalable from the measurement of individual domains to the entire IT application landscape. It has demonstrated its practicality in the context of several case studies
