The aim of the study was to establish, the effect of contract management on service delivery in the Ministry of Trade, Industry and Cooperatives. The study was guided by three objectives that is; to examine the critical success factors for contracts management, examine the techniques used to improve service delivery and establish the relationship between contract management and service delivery in the Ministry of Trade Industry and Cooperatives. The research used across sectional research design and data sources was primary and secondary and a sample size of 52 respondents was considered. Findings showed that contract Management greatly affects service delivery as indicated that decreased maverick buying and decreased supply risk leads to cost reduction hence proper management of contracts and improving service delivery in the ministry. In conclusion, there is high positivity for most factors and techniques put forward in the questionnaire and that contract management greatly affects service delivery therefore ministry of trade should ensure provision of all the necessary resources and just in time strategies for effective service delivery The researcher suggested some recommendation that included; there is more effort to be put in improving contract management in the Ministry so as to ensure effective service delivery. Bureaucratic tendencies in ministry operations needs to be reduced, Further more, equal efforts need to be made on the other techniques for improving service delivery because contract management alone cannot ensure efficient service delivery in the ministry.