This paper analyzes the concept of quality, management systems and tools. Quality is considered by many to be the most significant phenomenon of our time in the world with a lasting trend on emphasis. The increase in the importance of quality came as a complete civilizational response to the consequences of industrial development. Quality indicators are defined as quantities that quantify the quality of a product (service), process or organization. Most often, the categorization of quality indicators is done on the basis of two criteria: according to the type of quality object and according to the type of characteristic it describes. There are four categories of quality indicators: product quality, service quality, process quality and organization quality. All four categories are the result of a process called quality evaluation. Quality has become a global movement and way of life. In the search for constant improvement and advancement of people, teams or management use various methods, and thus various tools that will be described in this paper. The success of an organization mostly depends on the quality of products or services. Quality is a significant factor in the survival, business success and priorities of a company. The key principle of the quality system is making decisions based on facts, which are obtained by collecting, processing and analyzing data. In order to successfully manage quality in an organization it is necessary to implement continuous improvements, the organization must attach importance to customers. Quality is also seen as the quality of natural resources and other factors of human activities. The quality of resources is followed by the quality of production and business processes, and ultimately the quality of finished products or output and the quality of the human factor.