ISO 9001 is an international ISO standard developed by the International Organization for Standardization (ISO) that applies to Quality Management Systems of public and private organizations, regardless of their size or business activity. It is an excellent work method for improving the quality of products and services, as well as customer satisfaction. The quality management system is based on the ISO 9001 standard, companies are interested in obtaining this certification to guarantee their customers the improvement of their products or services and these in turn prefer companies that ensure quality therefore ISO 9001 they become a competitive advantage for organizations.