Despite the pervasive corruption in Nigeria, which led to the underdevelopment of its institutions and economy. There still some impediments on its effective administration and tackling of these menace. Which the economic and financial crimes commission (EFCC) is established to tackle it. The research work attempt to examine the viability of economic and financial crimes commission in combating corruption in Nigeria and implications for improvement as its scope, the research work was prompted by some major problems affecting economic and financial crimes commission in Nigeria such as poor administration corruption, political interference, etc, the objective is to evaluate the viability of economic and financial crimes commission on the elimination of corruption in Nigeria, identify significant measures taken by the economic and financial crimes commission in combating corruption in Nigeria and implication for improvement. The study employed the survey method and data was obtained from primary source using questions, the analyses were based on simple percentages and the hypothesis were analyzed using chi-square, the findings revealed that the activities of economic and financial crimes commission (EFCC) have significantly reduce the rate of corruption in Nigeria. The study concluded that corruption will be reduced if economic and financial crimes commission is made effectively and efficiently in its activities. The study recommended that the economic and financial crimes commission from the executive, promptly prosecution of perpetrator of corrupt practices, adequate finding, independence of the judiciary should be available in addressing the issue of corruption in Nigeria.