The main purpose of this paper was to determine if a relationship between human capital and competitiveness in the SMES in Mexico City exists. To be able to determine the above the data collected in the first phase of this research and the correlation statistics tests were conducted with the Chi-square method. This area of human capital ais characterized by predominant levels of medium to very low competitiveness, with the exception of the organizational culture factor. In the same sense, with the execption of safety and health all other existing factors were associated to the competitiveness of the company and it was concluded that no significant relationship exists between competitiveness and the factors of the human resources area in the medium-size companies. An employer should be aware that the human capital is a strategic resource and all of the factors are important to achieve competitiveness, therefore, it is necessary to establish a link between the universities and the business sector to provide training in this area. There are few studies in the Mexican and Latin American context that have linked the human capital competitiveness of SMEs. The contribution of this work is critical to knowledge in such area.