Although research on the corporate social responsibility (CSR) dimension of corporate image has notably increased in recent years, the definition and measurement of the concept for academic purposes still concern researchers. In this article, literature regarding the measurement of CSR image from a customer viewpoint is revised and areas of improvement are identified. A multistage method is implemented to develop and to validate a reliable scale based on stakeholder theory. Results demonstrate the reliability and validity of this new scale for (...) measuring customer perceptions regarding the CSR performance of their service providers. With regard to this, CSR includes corporate responsibilities towards customers, shareholders, employees and society. The scale is consistent among diverse customer cohorts with different gender, age and level of education. Furthermore, results also confirm the applicability of this new scale to structural equation modelling. (shrink)