A business unit manager's objectives are to save costs, raise profits, stay in the market, enhance the organization on a constant basis, and always seek the best strategy and performance for the business unit. It fits with the aims that management regularly pursues and may be a key tool for management to achieve the best performance for the business unit from an accounting standpoint. In this study, lean accounting was investigated in all areas that may aid the business unit's management in achieving its objectives. Finally, the findings of the study show that the effects of reduced inventories on financial performance, reduced purchases and large amounts of inventory, cost stream costing, inventory valuation, and the role of reports, as well as company savings through the use of the lean accounting system and its impact on profit and management performance in this system (Lean Accounting System), will lead to long-term profitability and continuous improvement.
