This article examines the interconnections, differences, and roles of cost accounting and financial accounting in organizational management. Cost accounting provides data for strategic and operational decision-making within an organization, while financial accounting reflects the financial condition of the company for external stakeholders. The article compares cost accounting and financial accounting in terms of their users, objectives, focus areas, and reporting standards. Additionally, it highlights how these two accounting systems complement each other and contribute to improving the overall efficiency of the organization. The article is relevant and practical for managers, accountants, and researchers.