This study is on Effect of training on organisation performance, case study of Securities and Exchange Commission, Abuja. The study assessed the training and development process in the Securities and Exchange Commission and whether training has improved the employee’s performance. A structured questionnaire was designed and administered to collect data from the respondents and the result indicated that there is a positive relationship between training and performance. The study supports the fact that training and development are effective for both personnel and organizational success. Based on these findings it was recommended that training and staff development should be treated with high esteem in order to achieve organizational goals and objectives there is a need to invest in human resources development through a functional training and development process.