This article discusses the internal environmental analysis of Coles Supermarket through VRIO analysis. It explores the internal factors of Coles Supermarket and its competitive advantages. The article highlights the valuable resources, customers, products, and R&D of Coles Supermarket. It also discusses the employee performance management process and the development of employee skills and knowledge. The article concludes that Coles Supermarket has the capabilities and resources to be a leading organisation in Australia.