The current research has concluded that customer's disposable income and family, friends, and social class do not have a direct influence on their purchase decision. The study recommends that retailers such as Tesco, Marks and Spencer, Asda, and Sainsbury should focus on the needs and requirements of customers rather than their demographic characteristics. Additionally, other factors such as age, employment status, and relationship status may also influence the life cycle position of customers but do not have a direct impact on their purchase decision-making process. The research found that most customers prefer to buy products associated with these brands due to the availability of information about them and high satisfaction levels, which leads to positive word-of-mouth and recommendations.