Abstract The research was carried out at the Sei Bejangkar Plantation, Sei Balai District, Batu Bara Regency in January 2022. At Sei Bejangkar Plantation In the village, there are 11 Gosong Banana chips agroindustry in the form of households industry and started production in 2015. Then, the home industry was formed into a joint business group named KUB Keripik Gosong in 2019 and has a P-IRT certificate in 2021. After having a P-IRT certificate, KUB Keripik Gosong hopes that their profits can increase from before having a P-IRT certificate. This study aims to determine the difference in the profit of KUB Chips Gosong between the previous one and after having a P-IRT certificate. Sampling in the study used the census method with a the number of samples as many as 11 respondents. The type of data used in this study is primary data and secondary data. The data were analyzed using a two-sample paired difference test (Wilcoxon test). The results showed that the significance value (0.000) < (0.05), meaning that there is a significant difference between the average profit before and after having a P-IRT certificate at KUB Keripik Gosong. Result data The analysis shows that the average profit after having a P-IRT certificate is more than previously had a P-IRT certificate. Keywords: profit comparison, home industry, P-IRT certificate.