Continuous technological developments and a very dynamic business environment force companies to strive for operational excellence and skills that enable a more effective and easier implementation of the established strategies. A competent and competitive business environment with intense rivalry requires efforts from companies daily to reduce weaknesses and improve advantages towards achieving profit and differentiating from the competition. Accordingly, human resource management is considered a key strategic function within the organization. Companies often struggle to meet all the needs and components of the organization due to a lack of time, expertise, and personnel. For this reason, companies decide to engage external experts as a third party in the context of human resource management. The advantages of engaging a third party in the field of human resources are increased efficiency and effectiveness, flexibility and cost reduction. This paper will show the advantages of engaging a third party in human resources management using the example of the company MPG d.o.o., a company that specializes in organizing events and marketing activities. The paper includes a theoretical elaboration of the concept of human resources, considers the functions and characteristics of human resources management, and pays special attention to generation Y, which makes up a significant part of the employees of the analyzed company MPG d.o.o. By using external experts for human resource management, organizations such as MPG d.o.o., can ensure an objective view of their business, faster implementation of changes and easier adaptation to market conditions. Furthermore, the paper analyzes the monetary and non- monetary benefits of engaging a third party, as well as the challenges that choosing a third party, such as integration with the organizational culture and preserving data confidentiality. Empirical research was conducted through interviews with employees and external partners of the company with the aim of investigating their perception of third-party engagement in human resource management. The results of the research show that the engagement of a third party, in the context of the work of MPG d.o.o., contributes to improved and more suitable organization, increased productivity, and the achievement of the organization's goals.