This study aims to analyze the impact of e-marketing on consumer purchase decisions in the UK retail businesses, with a focus on Primark Retail Company. The objectives include determining the concept of e-marketing, examining the strategies adopted by Primark, assessing the challenges, and evaluating the impact. The methodology involves using the deductive approach, positivism philosophy, and survey strategy to collect primary data from 50 respondents. The ethical considerations include respect for autonomy, scientific integrity, social responsibility, and maximizing benefit while minimizing harm.