Problem: Small businesses cannot afford the CFO. Managerial financial accounting is not conducted correctly or not conducted at all. An entrepreneur makes an intuitive decision. Solution: FinBook.kz - replaces the CFO for the provision of managerial accounting in small business. We integrate with the accounting systems of the entrepreneur (Bank account, 1C, warehouse accounting, CRM, etc.) and in real time, without the participation of the entrepreneur, we collect management financial statements. Then, based on the report, the algorithms and machine learning give an analytical note and do some fundamental analysis. The service shows the entrepreneur the problem areas of his business, identifies inefficient directions, looks for growth points and predicts cash gaps