Abstract The lack of adequate finance has led to decline in the growth of the Small and Medium Scale Enterprise (SME) sector in Nigeria even with various instruments and policies put in place. This study employed Co-integration and Error Correlation Method (ECM) techniques to investigate the impact of commercial bank credits on SME growth in Nigeria between 1980 and 2016. The results revealed that SMEs and selected macroeconomic variables included in the model have a long run relationship wit...