This present paper aims to validate the relationship between loyalty programs and to recognize the value of implementing CRM systems by the dimensions of CRM realize and commercial banks. This article also presents an emerging CRM research literature as CRM's customer-focused component, investigating the relationship between CRM and customer loyalty. By implementing robust information management, CRM aims to improve customer interactions through a portfolio of trust-building activities. Simultaneously, most CRM literature focuses on banks designing and executing CRM initiatives. The current research explored various customer loyalty determinants but pay less attention to understanding the relationship between product dimensions and fundamental loyalty mechanisms. The study used both quantitative and qualitative data, focusing on Saudi banks' CRM dimensions and customer loyalty. The Data were collected using surveys and interviews. The finding of this study indicates that the basis of the relationship between the bank and customers is the element of credibility and security privacy and confidentiality of information. However, customer acquisition practiced more than preserving customers (contact, quality of service, market response). Building relationships with them, so the Bank services focused on the retention customers and building relationships with them in the short term, because it is a Less cost, and ameliorate part of customer segmentation actual and potential market of banks on the long term strategy. The study enriches the banking literature on how to implement customer relationship management (CRM) in financial institutions. This topic has not been discussed mainly in the Middle East except in a few studies. Despite the challenges facing banks in light of the spread of Fintech companies and their repercussions on banks operating in the region.