Today, the retail industry has been overgrowing in offering various products to its customers. The retailer needs excellent support from the supplier to replenish the requirement based on the demand. This support can be achieved by using a secure and fast information system. Retailers, suppliers, and customers should be integrated using information technology and also practicing supply chain management for the benefit of all parties. This study examined the influence of supply chain practices on retailer performance and moderated by information technology. The study has surveyed eighty-six (86) retailer, using a questionnaire, domiciled in the city of Surabaya, Indonesia. Data analysis used SPSS software version 25 to examine the hypothesis. The results showed that supply chain practices had a direct impact on retailer performance; secondly, information technology moderated the effect of supply chain management practices on retailer performance with an increase of 14.70%. Finally, information technology had an impact on increasing retailer performance. This research has an impact on modern retailers to keep adjusting their business with the use of information technology. This finding also contributes to the current research in supply chain management.