Specialist helpers are exposed to stressful situations every day in their work life. If their mental health is not cared for and addressed along with their work satisfaction, consequences can differ, such as: burnout, indirect traumatization, and deterioration of work quality with clients. The goal of this research was to determine the contribution of sociodemographic characteristics of the participants, work satisfaction, mental health in perspective of a need for supervision among the personnel of social welfare institutions for children and youths. The purpose of the paper is to question the factors which affect the perception of a need for supervision among social care personnel. The research was conducted on the convenience sample from 12 cities in the Republic of Croatia, in which 101 persons employed in the centres which provide services in the community for children and youths participated. In this quantitative research the following instrumentation was used: Questionnaire about sociodemographic data, Questionnaire about work satisfaction, PHQ-9 scale, and the Questionnaire of a need for supervision. By overviewing the available research papers, comprehensive research with the goal of assessing work satisfaction and mental health regarding their perceived need of involvement in supervision was not found. This research is important because of its contribution to the knowledge about work satisfaction and mental health of the personnel in the centres which provide services in the community, insight in personnel’s needs for their involvement in supervision and rising awareness about enabling the supervision in the system. The results of this research can be useful for creating guidelines for the improvement and quality planning to provide supervision support to personnel of social welfare institutions for children and youths in Croatia, which are employed in the centres which provide services in the community.