Cloud computing is a widely recognized innovative technology that has influenced various organizations including SMEs. It has emerged as one of the most debated themes among industrialists and technocrats worldwide to keep them abreast in the competitive environment. This research employs a comprehensive literature review to analyze research theories and frameworks, data collection methods, cloud-based services, and especially key adoption determinants of cloud computing services by SMEs. By analyzing the TOE framework this study has found a strong bond among the three elements that are technological, organizational, and environmental of this framework. The key determinants that played a major role in the adoption of cloud computing services by SMEs were: relative advantage, top management support, technical readiness, and competitive pressure.