Abstract: Was to assess the effect of strategy implementation on organizational performance of private health facilities in Trans Nzoia County, Kenya. The Specific objectives of the study were: strategic people, strategic resources, strategic systems and strategic culture and performance of private health facilities in Trans Nzoia County in Kenya. The study recommends and on firms that the implementation of tendering practice and performance of private health facilities in Trans Nzoia County, Kenya was significant relationship. That in future different counties needs to strengthen performance of private health facilities Trans Nzoia County in Kenya and procurement process to all counties in Kenya, with the help of Strategic people, strategic resources Strategic systems and Strategic culture.