This report provides a comprehensive overview of marketing essentials, focusing on the roles and responsibilities of the marketing function within an organization. It explores how marketing integrates with other departments such as finance, human resources, and production, highlighting the importance of strategic planning, market research, product development, pricing, and promotion. The report uses a case study of Beauty Giant, a UK-based cosmetic company, to illustrate the application of the marketing mix (product, price, place, promotion, people, process, and physical evidence) in achieving business objectives. The report compares Beauty Giant's marketing mix with that of The Body Shop, analyzing their product offerings, pricing strategies, distribution channels, promotional techniques, and customer service approaches. It emphasizes the significance of understanding market conditions, customer needs, and competitive strategies for effective market planning and business success. The report concludes by underscoring the interconnectedness of marketing functions with the wider organizational concept and the importance of adapting marketing strategies to achieve desired business outcomes.