The aim of this research is to analyze the impact of implementing an Odoo-based Enterprise Resource Planning (ERP) system on cost efficiency in project operations. PT. BRS. Previously relying on manual processes using Excel and spreadsheets. PT. BRS
faces several challenges, includindg unintegrated data. risk of human error. and
inefficient data management. Odoo ERP implementation aims to solve this problem by integrating accounting. project management and inventory modules into one central platforn1. The results of this research can show that the Odoo ERP system increases operational efficiency. minimizes recording errors. and enables real-time data-based decision making. This implementation. PT. BRS is able to optimize project cost management. increase data transparency. and enable management to manage company resources more cllicicntly.

Keywords: Enterprise Resource Planning (ERP), Odoo. Operational Costs, Operational Efficiency. Digital Transfomrntion. Data lntegration. Decision Making. Business Digitalization.