Objectives Today's enterprises, regardless of their size, have to face many new challenges. These include globalization, the use of new technologies and the creation of intellectual capital as a source of the competitive advantage. And moreover the need to act in a changing environment. Material and methods Literature research Results Work on efficiency should be done at every stage of human resource management - starting from the analysis of work, recruitment and selection through the training, employee evaluation and ending with the organization of working conditions. The effective work of people results from a number of determinants among the most important is the pro-effective organizational culture and the related incentive system. Conclusions The implementation of an effective human resources management system is achieved thanks to motivated staff, their involvement in the organization's objectives and appropriate motivation. To effectively manage personnel, the organization should constantly improve the motivating system, adapting it to the current needs. The implementation of an effective management policy through effects based on the development of employees' competences creates the opportunity to gain an effective team. Thanks to the stability of the company and the way in which the people are treated, the organization is successful in a competitive market.