In recent years, Cloud Computing (CC) has transformed from a new trend to IT management reality. Its potential promises to significantly change computing and benefit many organisations but at the same time uncertainty and the need for managerial guidance prevail. To benefit from the opportunities that CC promises, organisations need to adapt to the new circumstances that this phenomenon triggers and develop new capabilities. Maturity models have shown to be an excellent and easily applicable tool for the assessment and improvement of capabilities. However, there is no fully developed and universally accepted CC maturity model (CCMM) so far. Through the execution of a maturity model development process, this contribution is aiming at deriving development guidelines for the future development of a holistic consumer CCMM. Additionally, content and structure in the form of maturity domains and maturity levels are proposed throughout the development process, the combination of which represents the first steps towards a holistic consumer CCMM.