This report provides a comprehensive analysis of marketing essentials, focusing on the British multinational retailer Marks and Spencer (M&S). It begins with an introduction to marketing concepts, current and future trends, and the roles and responsibilities of a marketing manager. The report delves into the interrelationship of marketing with other functional departments and the value of marketing within a company. It compares M&S with H&M using the elements of the marketing mix, including product, price, place, promotion, people, process, and physical evidence. Furthermore, the report outlines a marketing plan for M&S to launch organic beauty products, detailing the vision, objectives, marketing mix (product, price, place, promotion, people, process, physical evidence), marketing evaluation, budget, and STP (Segmentation, Targeting, Positioning) analysis. The report concludes with an action plan, measures for monitoring progress, and highlights the significance of effective interrelationships between different functional departments within the context of M&S.