Abstract Purpose: The study sought to establish the effect of training outsourcing practices on performance of Saccos in Uasin Gishu County. Methodology: This study employed explanatory research design the target population of the study were all employees of the 20 SACCOS in Uasin Gishu County. The accessible population for this study was 227 employees working in the Savings and credit cooperative societies in Uasin Gishu County. The sample size were 145 employees. The study used purposive and simple random sampling to select respondents. The study collected both primary and secondary data using questionnaires, internet source, e-library, physical library and publication. Collected data was organised and edited to remove any inconsistencies, repetitions or errors that would have made analysis difficult. Descriptive and inferential statistics were used to analyse the data with the aid of the Statistical Package for Social Sciences (SPSS) version 25. Descriptive statistics included percentages, frequencies, mean and standard deviation. Inferentially correlations and multiple regression analysis were applied to get the change in dependent variable caused by the effect of independent variables. Results: The study results revealed that training outsourcing practices has a significant influence on performance of Saccos (β1=0.298, p<0.05).Unique contribution to theory, practice and policy: The study recommends that the Saccos always outsource human resource as this will greatly increase training policies and provision of training opportunities.