This study investigated the effect of e-commerce on customer satisfaction in Jumia Nigeria Ltd. in Ilaro, Ogun State. As online business has been on the rise, businesses are faced with complaints that affect customer satisfaction. Survey research design was utilized, where every Jumia customer in Ilaro was approached. A purposive sampling technique selected 150 customers for research. Data were collected using a structured questionnaire and analyzed using descriptive statistics and linear regression with SPSS Version 23. The findings revealed that information quality has a weak positive and statistically significant relationship with customer satisfaction (β = -0.227, p = 0.000); perceived security is strongly positive and significant (β = 0.905, p = 0.000). Delivery service also has a weak positive and statistically significant relationship with customer satisfaction (β = 0.352, p = 0.001). All the above findings reflect that e-commerce significantly influences customer satisfaction in Jumia Nigeria Ltd. Based on these findings, the study proposes that Jumia ought to continue enhancing product information quality so that it provides accurate and clear descriptions with good-quality images and open prices. This may improve customer satisfaction and reduce complaints for e-commerce platforms.