In this article, the conditions under which the occupational safety profession emerged and its development until today are examined. This profession has developed with the needs arising in the industrialization process and has taken its current form. It has been revealed by which regulations the profession emerged in industrialized countries and has been operated. It is known that this profession, in which autonomy is important, has value in terms of employees’ safety. Therefore, it is important how the profession matures and what stages it goes through. In the article, it is aimed to show how this process develops differently in different countries.At this point, the examples of UK, USA and Spain are emphasized. This profession, which has developed with the efforts and organizations of professionals in the UK and the USA, has been shaped by government regulations in European countries and has been standardized throughout the EU. In these regulations, where the strategic importance of the profession is emphasized, the roles and functions of professionals have been determined. The article aims to show through which phases and with what kind of arrangements the profession has taken its present form. Then, the development of occupational safety proffession, which has become an important one with the Occupational Health and Safety Law adopted in 2012 in Turkey, has been conveyed. As a result, the development of the profession shaped by the regulations in Turkey and the current situation in other countries were evaluated by comparing with each other.