Nowadays, effective inventory management is one of the prerequisites for creating a competitive advantage in the market. Because of that, inventory management has become one of the most responsible and important functions of enterprise management. The main problems of inventory management are to achieve a quantity of inventory that is sufficient for processes within the company, other words, to make sure that processes run continuously without any downtime that could be caused by insufficient inventory levels, and another problem is to optimize processes in warehousing. For this reason, the need to implement controlling in the inventory management system is increasingly prevalent. In terms of inventory management, controlling has a coordinating role where using strategic and operational instruments coordinates and integrates inventory consumption and procurement processes to achieve optimal inventory volumes and improve the quality of the inventory management process. The choice of control instruments in inventory management depends on the size of the company, the nature of the business, the solutions needed to eliminate the problem and the expectations of managers. Optimization of inventory management also affects the liquidity of companies, where faster turnover of inventories sooner releases current liquid assets which covers receivables. From this it can be concluded that inventory optimization have affects on key preformance indicators such as asset efficiency and liquidity. In order to achieve the best possible control and efficiency of inventory management, the companys needs to implement an information technology solution (ERP system) in accordance with the established warehousing business of the company. The development of information technology has greatly facilitated the work of inventory management because in addition to the implementation of ERP systems, companies today have a large range of software solutions on the market that specialize in the inventory management process.