This study is about the critical success of change management in NGOs Nairobi, Kenya. The objective of the study is to determine the main priorities (CSF) of change management non-governmental organizations should focus on, in order to be successful in the quest of strategy implementation in the ever changing business environment. The purpose of this study is intended to benefit firms in different industries in helping them to understand the critical factors of change management that they need to employ to achieve the desired change. Key change agents both experts and novice users in organizations will use the information from this study in making on time decision with respect to the strategic plan in the process of strategy change management. The study will assist in developing strategies that will form a blue print for organization that that intends to employ strategic change management. in their implementation of their vision, mission and constitutions. The research found out the CM projects were successfully completed by the organizations and this was attributed to leadership and governance, networking, communication, stakeholder involvement, finance and technical capacity.