Organizations are increasingly striving to excel by improving their way of working, or in other words, to obtain mature business processes. However, no consensus exists on the capability areas (or skills) needed to excel. Therefore, this paper presents a theoretical framework to overcome this gap. It particularly draws on theories regarding the traditional business process lifecycle, which are supplemented by recognized organization management theories. The comprehensiveness of the framework is successfully validated by a sample of 69 Business Process Maturity Models (BPMMs).