This work is based on the implementation of the International Standards, OHSAS 18001, BASC and SA 8000 through an Occupational Health and Safety Management System to the Security Company. This company seeks to apply an International Occupational Health and Safety System which allows it to eliminate or minimize the danger to workers and other interested parties who may be exposed to such hazards associated with its activities. The methodology followed for the development of this work began in its first part with the investigation of all the requirements of the Standards to be implemented, then we carried out a situational diagnosis of the company, which already had ISO 9000 Standards and already complied with several of the requirements of the standards.