The sustainability of any telecommunication industry lies in the environment, workforce, human development, and community development. This research assessed the effect of corporate social responsibility on the business evaluation of MTN Nigeria, Abuja. The study employed a descriptive survey research design—the population of this study comprised entire staff members of MTN Nigeria Abuja. A sample of 100 members of staff was used in this study using the convenience sampling technique. The primary data was employed to gather information from MTN, Abuja staff. The data collected were subjected to statistical analysis, using frequency and percentage. The hypothesis formulated for the study was analyzed using chi-square statistics at a 95% confidence level. The study found that the Corporate Social Responsibility (CSR) activities of MTN improved and significantly affected the business performance of MTN Nigeria. CSR tasks were recommended to be very organized and executed to have the most extreme effect. Additionally, corporate associations ought to strengthen deeds to educate the general culture on their essential responsibilities, different accountabilities to different associates, and functional/monetary limits.