This report investigates the corporate governance and revenue strategies of Marks & Spencer (M&S), a major player in the UK retail industry. It begins by analyzing the current issues faced by M&S, including declining sales and failure to keep up with market trends. The research employs a positivist approach, using statistical tools to analyze data and identify consumer dissatisfaction. The report delves into the literature review covering Ansoff Matrix, New Product Development, and Brand Extension. The methodology section discusses the research philosophy, design, data collection, and ethical considerations. The findings highlight the need for changes in product quality and style to regain a competitive advantage. Finally, the report provides actionable recommendations and an action plan for M&S to improve its revenue and market position by focusing on product development strategies.