The assessment of the quality management system for compliance with the requirements of the international standard ISO 9001: 2015 of Ugleprom Engineering Company was carried out by the auditors of the European Certification Body TUV SUD Management Servise GmbH. Machine-building company ‘Ugleprom’ is the leader of the Ukrainian machine-building, engineering and industrial construction market. The company’s products are supplied to the CIS countries and Eastern Europe and individual countries of the European Union. During the audit, special attention was paid to the implementation of work on quality control of product manufacturing, connection of electronic components, testing of mechanical and electronic parts, and quality control. The company has successfully passed a certification audit, which resulted in obtaining the ISO 9001: 2015 Certificate of Conformity.