The purpose of this publication is to acquaint readers with the main methodological errors encountered in the process of building a management accounting system and maintaining records in a company. The issues of organizing management accounting using conventional accounting methods that do not require significant retraining of personnel and large investments are discussed in detail. Special attention is paid to ways of technologizing management accounting based on the use of registers and regularizing accounting procedures. The book will be useful to financial directors, specialists in the field of financial management, and chief accountants of enterprises.