Social workers will, during their work, meet people who had a traumatic experience. Working with traumatized individuals can result in the development of secondary traumatic stress. Secondary traumatic stress can lead to secondary traumatic stress disorder, a condition similar to post-traumatic stress disorder. In addition, secondary traumatic stress can lead to drug and alcohol abuse as well as loss of interest in work and activities. Children and young people can be victims of various forms of violence. Therefore, social workers working in social care institutions for children and youth are at risk of developing secondary traumatic stress and the development of secondary traumatic stress disorder. In order to prevent the occurrence of secondary traumatic stress, the social welfare institution must take certain steps. The most important step is the introduction of regular supervision groups. Supervision has proven to be a key tool in the fight against secondary traumatic stress. The introduction of regular supervision reduces the level of secondary traumatic stress. In addition to supervision, support from the organization and teammates is also important. Compassion satisfaction, a construct that studies satisfaction with working with service users, can reduce the level of secondary traumatic stress. Greater levels of compassion satisfaction will result in lower levels of secondary traumatic stress and vice versa. The aim of this paper is to investigate the incidence of secondary traumatic stress, to examine the existence of supervision in social care institutions for children and youth, to examine the level of compassion satisfaction and to investigate the impact of supervision and compassion satisfaction on the level of secondary traumatic stress.