The article deals with human resource management and selected personnel indicators in sustainable development. The main goal of this paper is to analyse and describe human resource management, focused on the audit of workload, the motivation of employees, the competence of staff, their knowledge and experience. The article shows how the selected personnel variables are investigated in selected establishments of a multinational company in Slovakia, as an attractive employer interested in the growth of its employees, thus employer branding. For the research methods, a case study methodology is used. Data collection was carried out through a study of the employees’ performance and through a survey with employees in the company, as well as an interview with the sale advisors and managers. The research aimed to point out a case study of the investigation of the selected personnel indicators in human resources management in a selected company and to examine the perception of the performance of the employees in connection with their financial evaluation and their satisfaction within the selected company and the impact on the employees’ performance. Furthermore, the research aimed to determine whether there was a dependence between the subjectively perceived performance of the employees and the selected aspects using the statistical SPSS program. Further indicators were calculated, such as workload, proportion of wasted time and labour productivity.