This report presents a proposal for implementing a Decision Support System (DSS) within Sonic Healthcare, an Australian healthcare company. The proposal highlights the need for a new information system to address challenges in the current manual system, aiming to improve decision-making, increase productivity, and identify new business opportunities. The report includes an executive summary, an analysis of the internal and external operating environments, and a discussion of the problems associated with the current system. It outlines the benefits of a DSS, including improved data management, enhanced communication, and support for strategic decision-making. The report also covers the system development life cycle and ethical considerations, emphasizing the importance of data security and adherence to regulations. The proposed DSS is designed to help Sonic Healthcare overcome the limitations of its existing system, providing the management with the tools needed to make informed decisions and gain a competitive advantage in the healthcare market. The report emphasizes the importance of information systems in modern business operations, and the need for healthcare organizations to adopt cloud computing and other technological innovations to remain competitive and provide effective services to customers.