Meta-analyses and research have highlighted the importance of employees' participation in workplace safety.The present research designs an original model of proactive safety orientation which considers existing constructs of proactivity, adapted to organizational safety issues in the workplace. Qualitative data was obtained through semi-interviews with 18 expert of safety and analysed using content analysis.Findings shows six dimensions of proactivity that can be attributed to three managerial areas of Reason, competence, cognizance and commitment.