This article discusses the stages of the consumer decision-making process for a given product or service. It explains the importance of mapping a path to purchase and understanding consumer decision-making for marketers. It also evaluates how marketers are responding to the decision-making process and compares the key differences between B2C and B2B decision-making. Additionally, it evaluates different approaches to market research and methods used for understanding decision-making in both B2C and B2B contexts. Finally, it evaluates how marketers can influence the different stages of the decision-making process in B2C and B2B, providing specific examples.