The study examined the effect of electronic banking on customer gratification of GT Bank in Ado-Ekiti. The aim of the study is to determine the effect of mobile banking on customer gratification; evaluated the effect of automated teller machine on customer gratification and examined point of sales on customer gratification. A descriptive survey research design was adopted for the study. The population of the study comprises GT Bank customers in Ado-Ekiti Metropolis. The sample size was 399. Yamane sampling model was employed in this study. Primary data used for the study were gathered through the administration of well-structured questionnaire. Questionnaire was used to elicit information from target respondents. Data gathered were analyzed using regression model. The result showed that mobile banking positively affects customer gratification as it was significant on customer gratification (t=4.096, t=3.224 and t=1.369 at P<0.05), Furthermore, showed that automated teller machine positively affects customer gratification as it was significant on customer gratification (t=6.199, t=-0.467 and t=3.502 at P<0.05) and finally, point of sales positively affect customer gratification as it was significant on customer gratification (t=1.972, t=-5.101 and t=.036 at P<0.05). Thus, concluded that electronic banking positively affects customer gratification particularly in Guarantee Trust Banks in Ado-Ekiti. From the findings, the recommendation was proffered.