According to Statistica [1], the revenue of the e-commerce market in the United Kingdom is projected to reach£ 80,678 million by the end of 2021. Another report from E-commerce Foundation [2] shows that e-commerce sales make up 7.94% of the UK’s gross domestic product. These facts highlight the importance of improving online business in all its forms, including business-to-business models and business-tocustomer. In addition, The Big-Data era now has the power of advanced analytics, which helps businesses and customers to make more informed decisions.

Banks are continuously being observed taking full advantage of information technology worldwide. HSBC Holdings, Lloyds Banking Group, Royal Bank of Scotland Group, and Barclays are a few names from UK financial market that have always equipped their-selves with state-ofthe-art security, privacy, and seamless transactional technology. Online product and service catalogues are one of the top visiting and timespending domains for customers. Customer profiles, call centre communication, and web surfing metadata are most suitable for understanding customer behaviour. Colossal interest can be observed in this area over the past two decades because of advancements in computational resources and artificial intelligence (AI).