E-commerce has become the performance tools for not only to an individual company but also country gain and competitive opportunity. Creating successful e-commerce businesses is not an easy task, especially in the extremely competitive market. This study reviews key success factors that are crucial for the success of an e-commerce business. Through this study, the 26 target companies that had succeeded in B2C, B2B, and e-business were charged to distinguish the factors associated with success in utilizing e-commerce and e-business. The thirteen success factors variables were estimated using a ranking scale from one to five. The mean value and the standard deviation were applied to interpret the factors. Factors with the mean value higher than 4.5 were taken to be the potential success factors of e-commerce and e-business. The study disclosed that 5 of 13 proposed factors were selected to be the potential common success factors related to B2C, B2B, and e-business.