This report provides a comprehensive analysis of Atlassian, a prominent software company, focusing on its Management Information System (MIS) and Enterprise Resource Planning (ERP) systems. It begins with an introduction and an overview of Atlassian's background, highlighting its cloud-based services and its use of JIRA software. The report then delves into the application of ERP systems within the company, discussing their benefits, such as improved reporting and data quality, and disadvantages, including implementation costs and data management challenges. The investigation approach includes feedback, online sources, and survey results. The report analyzes Atlassian's financial performance, including revenue growth, and discusses the importance of MIS in managing various business functions and customer relationships. It also explores the company's IT strategies, the role of innovation and technology, and the challenges associated with MIS, such as cyber threats. The report concludes with recommendations for future growth and success, emphasizing the importance of customer satisfaction and strategic business development.