This report provides a detailed analysis of Tesco's marketing strategies and its interdepartmental relationships, including the finance, HR, sales, production, customer service, and research departments. It examines the role of marketing in Tesco, including market research, strategizing, product development, communication, and sales support. The report also explores Tesco's marketing processes, such as situational analysis, strategy development, and the implementation of marketing tactics. Furthermore, the report compares Tesco's marketing mix (7Ps) with that of ASDA, including product, price, place, promotion, people, process, and physical evidence. The report highlights the importance of effective interrelationships between functional areas for Tesco's success, and the impact of marketing techniques on various departments. The study emphasizes how Tesco adapts to market changes and customer needs to maintain its position in the retail industry.