[영문]This research analyses social work practitioners workplace experiences of their subjective well-being (SWB), the social scientific concept of happiness. From an initial survey of 700 Canadian social workers, thirteen respondents with the highest SWB scores were interviewed. Respondents reported that their high SWB scores were partially a result of available practice opportunities associated with the profession, their ability to recognise professional boundaries and limitations, the role of specific practices that are associated with the profession of social work, social work principles and respondents perception of their professional self. The conclusion considers implications for workplace practices, social work education and further research.