Technologically, competition is fierce in the banking industry, as such, banks need to offer cutting-edge technology and still make sure the banking solutions provided keep customers satisfied, as customers could switch between banks with minimum inconvenience. Electronic service quality measures the level of satisfaction deliver to bank customers through online banking digital solutions. This paper provides an investigation of electronic service quality based on customers’ perceptions in South Africa. The paper presents findings based on quantitative data from 184 online banking customers using E-S-QUAL measurement scale. The results show that banks are meeting customer expectations of service quality delivery, although there is room for improvement. The study has practical implications to financial institutions in South Africa, as it highlights areas of attention to improve service quality delivered to online banking customers.