Performance contracting’s role is to improve results of public sector’s service delivery. However, with performance enhancements in certain areas such as the banking industry and the educational sector, Siaya’s County Government continues to grapple with concerns like perennial cases of poor training as well as the absence of relevant expertise in service delivery. Past studies have zeroed in on aspects impacting performance contract schedules and how it impacts the success of an institution. The aim of this study was to determine the influence of target setting on efficiency of employees; the influence of performance measurement on efficiency of employees; to assess the influence of performance reinforcement on efficiency of employees in County Government of Siaya. Target population totalling 1783 comprised staff from Siaya County Government and (N-326) participants were sampled using Yamane formula. Questionnaires were used to collect quantitative data and analyzed through descriptive and Regression statistics. The reliability of questionnaires tested on pilot data targeting 32 respondents revealed α above 0.70.