This working paper is intended to provide an overview of the key concepts associated with an entrepreneurial-university ecosystem. It also briefly discusses the entrepreneurial-university ecosystem around London (UK) and potential data sources to analyse such an ecosystem. The main research method used for the working paper is a simplified form of literature review aimed at quickly understanding the concepts at a high-level. The intended audience is those interested in: (a) how universities can function entrepreneurially and (b) getting an overview of the relevant literature.