In the last few years we have witnessed a substantial growth of internet- based services, both from pure Internet businesses and from traditional companies that are developing online services. One of the key challenges of the Internet as a service delivery channel is how they manage service quality, which holds a significant importance to customer satisfaction. The purpose of this research was to gain a better understanding of the service quality dimensions that affect customer satisfaction in the Internet banking sector from a consumer perspective. Based on a detailed literature review, a frame of reference was developed. Five service quality dimensions were selected to be tested in the Internet banking sector in order to explore the relationship between service quality and customer satisfaction. A qualitative research approach was used to get a better understanding of this issue. However, a small quantitative survey was also conducted to support the results obtained from the qualitative study. The empirical data were gathered through in-depth interviews with four people by using a semi- structured questionnaire and a survey were conducted with 25 people. Data presentation and analysis were done in accordance with the research questions and the frame of reference. Finally, in the last chapter findings and conclusions were drawn by answering the research questions. Nine service quality dimensions in Internet banking were identified in this study (i.e., efficiency, reliability, responsiveness, fulfillment, privacy, communication, personalization, technology update, and logistic/technical support). The quality performance of all the nine dimensions was shown to have a strong impact on customer satisfaction. Efficiency, reliability, responsiveness, fulfillment, privacy was found to be the core service quality dimensions in Internet banking. Finally, technology update and logistical or technical support was two new dimensions found in this study.