Web- based inventory management systems offer numerous advantages that are difficult to obtain using paper methods or an in-house spreadsheet. This study has been made to help the farm owner, who uses Microsoft Excel to track sales and inventory. The current technology used by the farmers is manual inventory systems and may bring a whole host of problems and take a significant amount of time in doing the work and risk of human error. Having an inventory system and automation avoids human error, and it will save endless hours of work. The Broiler Inventory and Sales Management System (BISaMS) was developed by the researchers to help small broiler farm owners record important business data like expenses, sales, and reductions, track broiler batch and feeds quantity, and generate reports accordingly. The proponents had chosen Agile Model to develop the system. The owner acts as the administrator and operator as the user. The different division of system; login, account, record, sales and inventory, were tested against their acceptance criteria. The result shows that every task works suitably for both actors. The system has considerably reduced the hassle of managing expenses, sales, reductions, and other relevant data. It has also solved the problem in tracking the inventory of chicken parts and number of broilers deducted per reduction reason.