Non-take-up of rights is a problem that plagues many social programs. The premise in this article is that enhancing access to benefits, services, and labor rights is an integral part of social work. The article examines the engagement of social workers in Israel in case advocacy for welfare and labor rights. It also considers the factors that have an impact on this type of activity. It finds that the actual involvement of social workers in case advocacy is limited and that the perceived policies of the organizations in which social workers are employed have a major effect on their engagement in this.