In organizations, there is an increasing interest in implementing integrated management systems based on ISO standards; one of the reasons is because it optimizes activities and therefore reduces efforts, times and costs, allowing the organization to be competitive and sustainable in national and international businesses. However, the integration of management systems is a complex task and, according to the nature of each organization, the appropriate strategy must be defined. The purpose of this article is to propose a methodology to integrate quality management system (QMS), environmental management system (EMS) and occupational health and safety management system (OHSMS) in an entity of national order of the Treasury Sector. To this end, a diagnosis was made of the current status of implementation of the QMS, the EMS and the OHSMS in the studied entity, the specific requirements of each ISO standard and the applicable legislation were analyzed, standard methodologies for the integration of management systems were identified, the methodology to be implemented in the studied entity was defined and validation instruments of the proposed methodology were applied (experts’ opinion, focus group with process leaders and application in one element of the high-level structure). The established integration methodology follows the high-level structure of the ISO standards and contemplates the integration of elements such as: Context of the organization, Leadership, Planning, Support, Operations, Performance Assessment, and Improvement. According to the validation with experts and actors, the methodology is applicable to the organization and favors the efficient use of resources and eliminates the duplicity of processes.

Diseños Punto de Oro Ltda. is a private company in the production and commercialization of ties; the company began the planning and partial implementation of the quality managment system, in accordance with ISO 9001:2000. The frequent variation in the quality of ties between each batch of production was the problem to solve. There was obstacles in the project, wich was overcome by the team and were great learning to be shared in this article