This essay provides a comprehensive analysis of Tesco's value chain, applying Michael Porter's value chain model to assess its internal environment and strategic operations. It begins with an introduction to the value chain model, outlining its components, including primary activities such as inbound logistics, operations, outbound logistics, marketing and sales, and service, as well as supporting activities like firm infrastructure, human resource management, technology development, and procurement. The essay then provides a background of Tesco, highlighting its history, key subsidiaries, and its position in the global market. Subsequently, the analysis applies the value chain model to evaluate Tesco's internal environment, examining how the company utilizes both primary and supporting activities to create value and gain a competitive advantage. The essay also reflects on the usefulness of the value chain model in the context of Tesco's business, discussing its flexibility and its ability to diagnose and create benchmarks for rivals. The conclusion summarizes the key findings, emphasizing the importance of the value chain model in creating value for customers, reducing costs, and enhancing overall workforce efficiency. The essay utilizes academic sources to support the analysis.