MOL PLC - We took part in the Re-organizing of the Company's controlling system and launch of the SAP system. Development of the monitoring regulations and their implementation in the SAP. Preparation of the regulations of R&D. Setting up the methods of Cost Accounting Development of the operational Cost Accounting system Working out the accounting principles of MOL Gas Companies Establishment and introduction of the Energy Monitoring Information System Hungarian Postal Service PLC. Supervision of the introduction of the SAP system IT support for the cost accounting system Budapest Central Heating Service PLC. Project supervisor of the launching of the company's first complex billing system (CUSTIMA) Regulation of the process of the Sales System Management of the legal regulations for central heating, preparation of the necessary investments Preparation of the project dealing with the transformation of the customers' heating systems - feasibility study, business plan and regulations of business administration Debt Management PLC. Participation in the development of arrears management administration Setting up the Debt Management Information System Development of the debtor evaluating system and software Supervision of the project dealing with leasing product development Participation in the introduction of the SAP FI, FI-CA and CICO modules Continuous user support of SAP FI-CA Setting up the monitoring system OTP Bank PLC - Raiffeisen Bank PLC Establishing a consortium to finance the renewal of customer's central heating systems Pécs Central Heating PLC Assets evaluation of the central heating system