The challenging for financial service market results more pressure on banks to develop and utilize alternative delivery channels, with a view to attracting more customers and improving customer perceptions and encouraging loyalty. The study is aimed at dealing with the opportunity and challenges of internet banking on Co-operative bank of Kenya. The study used descriptive research method that incorporated qualitative research approaches. In conducting this research, data was obtained from both primary and secondary sources. A descriptive case study that makes use of a combination of questioners that is taken account of 50 from employees and 80 from customers that are used because it helped the researcher clarify and explain the existing phenomenon in a meaningful, justifiable and numerical manner. Based on this research paper research problem it concerned on Co-operative banks that do not have an insight into how their customers perceive and evaluate internet banking service quality. Large number of COOP customers Disagreed on that customers have enough information about internet banking. Great Majority of COOP employees and most customers highly aware on the importance of internet banking to save time and money. Majority of COOP employees strongly agree on that internet banking is more accessible to users and customers are neutral. Great Majority of the COOP employees and majority of customers responded on that the service is very low to be adoptable to disable and elder people. Large number of COOP employees and customers responded on that COOP never provides a training to enhance awareness of customer. Great majority of employees and majority of customers agreed on that customers encounter problems related with Internet while using the service. Large no of employees and customers responded on that COOP seldom provides an alternative way when the Internet is slow. Majority of employees agreed on that COOP has experienced and skilled IT professionals to administer latest technology and Majority of customers disagreed on that COOP has experienced and skilled IT professionals to administer latest technology. COOP should have to create awareness and provide sustainable information in order to increase how to use/access internet banking since the study shows there is a gap b/n COOP and customers as COOP is only trying to fulfill the targeted percent .Internet banking service providers ought to look out for indicators of innovative ways of creating awareness about the service through participation in trade organizations, exhibitions as well as adoption of new technologies of Internet banking. In addition, it would be useful to study the corporate client’s diverse satisfaction needs in order to respond to them precisely. Further studies need to be carried out knowing that the Internet banking service is still new in most of the developing countries thus, new issues, needs and demands may arise as the banks continue to implement the strategy.