Quality management is an integral part of companies that strive to ensure customer satisfaction and process efficiency. Nowadays, many companies apply different tools and methods in the operation of their management systems to identify and analyse problems, as well as to find solutions for their prevention and improvement of the efficiency of the quality management system. For multiapartment building management and maintenance companies, it is particularly important to manage the internal processes and their interaction with the services provided to meet customer requirements and ensure their satisfaction, therefore, tools and methods can be applied to the quality management system to facilitate the management of processes and to promote its efficiency. The aim of this paper is to analyse the contribution of various tools and methods on the enhancement of the quality management system. Research methods such as literature review method and qualitative content analysis are applied. Based on the theoretical research and practical application of the identified tools and methods, the authors identify the contribution of these tools and methods on the enhancement of the quality management system in multiapartment building management and maintenance companies.