The goal of the graduation theses is to describe project management and taking advantage of management accounting as a support for this specific management. There is a significant difference between classic approach and project approach. We try to find and launch new way into the current state intuitively or to extend activities in classic approach, project approach demand clear and intelligible definition of the alternation. Advanced project management should be accustomed to complex definition of the customer need and at the same time with the cost reduction tool in production phase. Flexible planning, continuous monitoring and subsequent interpretation of particular phases of the project management is needed. Managerial accounting is able to come through with wide scale of specific tools which help and allow effectively react on daily basis, monitor development and subsequently interpret the project results. The graduation theses devotes calculation system and the usage of particular calculations in custom manufacturing. Business planning and budgeting is not omitted in connection with calculation system and project management. Extra attention is put on valuation options of semifinished contract or finished contract.