Conceptual issues of business modeling, project management, the role of personnel management in business optimization are considered. Ways to improve control efficiency are proposed. Features of the introduction of information systems in the economy are highlighted. The significance of quality management systems is characterized. For specialists in the field of development, implementation and use of information systems, teachers, graduate students, full-time and part-time students in the specialty "Organization Management." It can also be useful for students of other specialties studying the disciplines "Information management technologies," "Automated information systems," "Information systems in economics," "Quality management."