Electronic commerce (EC) has radically revolutionizedtraditional business practices across the globe. It is alsobelieved that EC offers considerable benefits andopportunities for enterprises.Despite the benefits, however, several scholars have shownthat Small and medium-sized enterprises (SMEs) have beenlagging in EC adoption. In this regard, this study aimed toexplore the factors that influence EC adoption among SMEsin developing countries, in the context of Kenyan retailSMEs.The study employed a qualitative approach through whichempirical data was collected by semi-structured interviews.The target population consisted of managers/owners of retailSMEs that use some form of EC technology in their businessoperations. The study identified several motivating factors forthe adoption and implementation of EC. Moreover, theresearch used (TOE) framework, the technological,organizational, and environmental (TOE) framework withan added national factor, to study and understand the factorsaffecting EC adoption among SMEs. The study identifiedsome factors ranging from, but not limited to the cost of IT,the benefits offered by EC, compatibility, lack of cleargovernment regulations, the role of managers, lack ofinfrastructure. The study further identified a national factorassociated with the social and cultural context in Kenya suchas the resistance to adopt a culture of purchasing online, lackof trust, lack of IT awareness, national address system, etc.