The key to strengthening the competitive position of NRSC, its continuous activity and development is ensuring the high quality of works performed. The Quality Management System of NRSC meets the requirements of ISO 9001:2015 international standard. NRSC successfully passed certification in 2010, 2013, 2015, 2019 and 2022. The certification was carried out by the German TUV Rheinland company. The Quality Management System of NRSC and the processes included in the system are constantly being improved, making them as compliant as possible with the standard requirements and increasing their practical application in the company. The Quality Management System of NRSC is described in the Quality Management Programme (Quality Manual) and other documents that are an integral part of the Quality Management System.