This report presents a comprehensive analysis of marketing intelligence, encompassing various aspects of consumer behavior and market dynamics. It begins by outlining the main stages of the purchase decision-making process and explores buyer behavior theories, including the Stimulus Response Model, Diffusion and Innovation Theory, and Rational Actor Theory. The report then delves into the factors influencing buyer behavior, categorizing them as psychological, socio-psychological, sociological, cultural, and economic. Additionally, it evaluates the relationship between brand loyalty, corporate image, and repeat purchasing. The report further assesses different market research techniques and develops a marketing research plan. It includes an assessment of market size trends, a competitor analysis of Nokia, and an evaluation of opportunities and threats for a given product or service. Finally, it evaluates techniques used to assess customer response through a customer satisfaction survey, reviewing the success of a completed survey. The report offers a well-structured and insightful exploration of key marketing concepts.