Today′s demanding and ever‐changing environment is challenging the conventional approach in every function and facet. The measures of performance which an organisation adopts to motivate and direct effort need reassessment in order to ensure that they are consistent with the goals of the enterprise. The background to and concepts of just‐in‐time are considered and a model is described to help introduce JIT successfully in a business. The main theme of the article is, however, to discuss performance measures, these being one of the more important, but less considered aspects of JIT.