*Result*: Website based inventory information system in the Berkah Al-Suranto trade enterprise.

*As the development of technology, many companies take advantage of it to support their business processes. Berkah Al-Suranto Trade Enterprise (UD) is a trading company engaged in the LPG distribution ranging from 5.5kg to 50kg centered in the Ungaran Regency. The information on LPG inventory in the warehouse can affect the business process in Berkah Al-Suranto Trade Enterprise. Berkah Al-Suranto information on LPG inventory is still done by handwritten. Frequently, there is a mistake between the supplies in the warehouse and in the records. This information system can help to keep the information in the ledger and stock in the warehouse is accurate, and can help simplify business processes and distribution of LPG. The Waterfall method is used in this system design because the process must be in order from needs analysis to testing the system. The PHP programming languages used in the design of this information system were Framework CodeIgniter, SB Admin 2, and MySQL as the database. The information system can provide information and data management in the form of adding, editing and deleting project data, reports, and lists. This information can be completed by the employee and the administrator, while the data user management can only be completed by the administrator. The system is designed and tested using the black-box method and tested by the user. After the test results have been carried out with an average value of 76.9, the system is compatible with the company's needs to support the business processes. The system development is expected to be able to help the Berkah Al-Suranto Trade Enterprise's business processes which previously had several problems in recording. [ABSTRACT FROM AUTHOR]*