The significance of training and development in human resource management is paramount for achieving optimal employee performance. However, many telecom companies have failed to recognize this importance, resulting in subpar employee performance. The objective of this study was to evaluate the influence of training and development on employee performance within telco companies in Somalia. Primary data was collected through the use of questionnaire guides distributed among various telecommunication companies operating in Mogadishu, Somalia. The survey encompassed three employee groups, including managers, supervisors, and other staff, with a total of 285 questionnaires distributed. The findings of the study revealed a positive impact of employee training on staff performance, which was corroborated by a high number of respondents who expressed agreement on this matter. Additionally, the study identified a strong correlation between staff performance and training. Both employees and management acknowledged the significant impact of employee training on the performance of telecommunication companies in Mogadishu, Somalia.