Internet and mobile banking services provide customers with 24/7 access to banking facilities, increasing convenience and flexibility. They enable faster and more efficient transactions such as fund transfers, bill payments, and account management. These services reduce waiting time and operational costs for both banks and customers. Enhanced security features and personalized services improve customer confidence and trust. As a result, customer satisfaction and loyalty in the banking sector are significantly increased. The objective of this paper is to identify the most important variables that have a significant impact on Internet banking and mobile banking services on customer satisfaction with special reference to the private and public sector banks in Bangalore city. A well-structured questionnaire is being personally administered to a total of 1188 customers, 649 customers from public and 539 customers from private sector banks in Bangalore city, through online and field surveys. Descriptive statistics and ANOVA were used as statistical tools to find out the relationship between a customer’s demographic profile and satisfaction with Internet and mobile banking services in public and private sector banks. It is found that Internet banking and mobile banking services are significantly influencing customers’ satisfaction in both private and public sector banks in Bangalore city.