This report provides a comprehensive overview of ASDA's marketing essentials, including its mission, vision, and values, and delves into the definitions of marketing by various authors. It highlights the importance and objectives of a marketing plan, utilizing PESTLE for external analysis and SWOT for internal analysis. The report elaborates on the marketing process through the marketing mix, covering pricing, products, places, promotions, people, process, and physical environment. It outlines ASDA's marketing function responsibilities, including market research, product and price decisions, promotion strategies, and budget management, along with its responsibilities in the wider organizational context, such as coordination with operations, finance, HR, and logistics. A comparison between ASDA's and Tesco's marketing mix is presented, followed by a proposed marketing plan schedule for ASDA, concluding with the significance of marketing in organizational activities and the role of marketing mix strategies in achieving business objectives.