Master data management (MDM) is defined as an application-independent process which describes, owns and manages core business data entities. The establishment of the MDM process is a Business Engineering (BE) tasks which requires organizational design. This paper reports on the results of a questionnaire survey among large enterprises aiming at delivering insight into what tasks and master data classes MDM organizations cover (“scope”) and how many people they employ (“size”). The nature of the study is descriptive, i.e. it allows for the identification of patterns and trends in organizing the MDM process.