This research work examined the impact of internal control challenges on the financial performance of local government councils in Nasarawa State, Nigeria. The study employed a mixed-methods approach, combining qualitative and quantitative research methods. Qualitative data are gathered through interviews and focus group discussions with relevant stakeholders, including council officials, financial managers, auditors, and community representatives. Quantitative data are collected through surveys and analysis of financial reports and performance indicators. A structured close ended questionnaire was administered to 211 staff that forms the sample size. The study used the correlation coefficient to establish the relationship between internal control challenges and financial performance, while the multiple regression analysis was used to test all the hypotheses of the study at 0.05 level of significance. Result of the correlation indicates significant relation between internal Control and financial performance whereas the regression analysis found that internal control challenges have significant positive impact on financial performance of Local Government Councils in Nasarawa State. It concluded therefore that effective accountability and stable financial practices in Local Government Councils can only be achieved through a properly instituted internal control system with free or minimal challenges. It recommended that: functions and responsibilities within the local government councils are clearly defined and separated.
Keywords: Financial Performance, Internal control, Local Government, councils