In modern business conditions, technical, and especially market factors, constitute the basis of the achievement of business success, and therefore, management and leadership in specific companies are becoming more complicated. Information System of the Company should help defining its management functions and business policy. Accounting has all the characteristics of an information system (objective, function, structure, norms of behavior, input, output, outcome, etc.), so it provides a huge amount of information that serve not only the management of the company, but also the functioning of the social information system. In the modern enterprise, the relationship of accounting, corporate finance and audit by the company management, presents the result of the historical development of the company and its basic functions. To what extent will the countries in transition achieve substantial changes in the development of a market economy, depends mainly on the skills of active managers in the field of accounting, auditing and business finance.