This report presents a case study on OZES, an Australian company in the electric supply business, focusing on the application of agile software development methodologies to improve their information system. The report explores three key agile techniques: Dynamic System Development Method (DSDM), Rapid Application Development (RAD), and Extreme Programming (XP). It discusses the strengths and weaknesses of each methodology, considering factors like cost, time, and user involvement. The analysis includes diagrams, event tables, use case descriptions, and class diagrams to illustrate the concepts. The report ultimately recommends the Rapid Application Development (RAD) methodology for OZES, emphasizing its iterative nature and user-centric approach. The goal is to assist OZES in developing an efficient information system to manage commissions, sales, and generate necessary reports, thereby enhancing business operations and customer satisfaction. The study also examines the need for consultation, the advantages and disadvantages of each methodology, and the importance of considering the company's specific requirements and budget constraints. Through this comprehensive analysis, OZES can choose the best agile methodology to meet its business needs and achieve its development goals.