The study examined the effect of performance monitoring system on the productivity of supply chain businesses in Nigeria. Specifically, the study sought to: examine the effect of tracking of distribution vehicles on promoting high turnover of supply chain businesses in Nigeria; ascertain the effect of financial transactions monitoring on increase profitability of supply chain businesses in Nigeria and assess the effect of offering insurance policies on workforce retention of supply chain businesses in Nigeria. The research design of the study was descriptive survey research design. Study Area was South East, Nigeria. The sample size of 364 respondents was taken from population of 6,455 total numbers of staff among 265 registered supply chain businesses in South-East Nigeria. Research questions of the study were answered using mean score and standard deviation. The hypotheses stated were tested using regression analysis. The empirical result of the study showed that tracking of distribution vehicles has significant effect on promoting high turnover of supply chain businesses in Nigeria (t-statistic; 6.445; P-value; 0.000 < Sig-value; 0.05); financial transactions monitoring on increase profitability of supply chain businesses in Nigeria (t-statistic; 11.826; P-value; 0.000 < Sig-value; 0.05) and there is significant effect of offering insurance policies on workforce retention of supply chain businesses in Nigeria (t-statistic; 9.516; P-value; 0.000 < Sig-value; 0.05). The study concluded that performance monitoring system has positive and significant effect on the productivity of supply chain businesses in Nigeria. The major drivers of performance monitoring system are tracking of distribution vehicles; financial transactions monitoring; and offering insurance policies to boost productivity of supply chain businesses in Nigeria. The study recommended that management of supply chain businesses in Nigeria should prioritize on performance monitoring by install a reliable GPS tracking device in each vehicle to monitor its location in real-time, providing detailed data on movement and stops. Utilize route planning software to calculate the most efficient delivery routes based on traffic conditions, customer locations, and vehicle capacity, minimizing travel time and distance

Keywords: Performance Monitoring System, Supply Chain Businesses, Financial Transactions, Insurance Policies, Workforce retention.