It is crucial to organise the transformative changes to IT in a digital operating model (including make-or-buy decisions) in such a way that the defined target image of the digital strategy can be achieved. A sensible starting point for any IT transformation is to determine the status quo, particularly with regard to IT requirements, the IT landscape and the IT costs incurred. The following applies: without clean digital data, efficient IT and an effective digital operating model, any ambitious digital vision will fail.