The article included a comprehensive examination of the quality management system and the degree of fulfillment of requirements in accordance with the guidelines of ISO 9001: 2015. Theoretical analysis of issues is related to the topic of quality management and interpretation of the standard. Collecting results on this basis can determine if the activities undertaken in the company are implemented correctly. The study was carried out using the audit method. The production enterprise was analyzed. The audit method was an internal audit carried out in accordance with the relevant procedures, standing instructions and other documentation provided by the company. The audit revealed several inconsistencies, which coul constitute the basis for further considerations and the creation of implementation ideas based on them in areas requiring change.