This report analyzes how Tesco, a British multinational grocery and general merchandise retailer, leverages knowledge management, technology, and eCommerce to transform its business operations and maintain a competitive edge. The report explores Tesco's implementation of knowledge management frameworks, including the utilization of IT infrastructure and data mining, employee perception, and training programs. It details Tesco's adoption of technology through in-store digital initiatives, such as handheld scanners, self-checkout stations, and in-store video cameras. Furthermore, it examines Tesco's use of its Clubcard loyalty scheme, big data analytics, and smartphone-based technology to enhance customer experience, drive loyalty, and optimize supply chain management. The report also discusses Tesco's e-commerce strategies, including the shift in consumer purchasing habits, the introduction of 3-dimensional e-commerce experiences, and the integration of the Market portal model. It highlights Tesco's strong online presence, mobile sales growth, and the financial implications of these strategies, concluding that the integrated use of knowledge management, technology, and e-commerce is crucial for Tesco's continued success in the market.