This article on the business process in Colombia, is to illustrate how SMEs are more the result of visions or small social family, who initially bet a livelihood, overcoming financial difficulties and barriers to state, can foster and penetrate the domestic market and abroad.To become with effort, the engine of the national economy to the labor market that incorporates a number of people that is not absorbed by the State, nor by more established business groups in the country.Since historical times, we have no business training and demonstrated that effective land use planning, administration and management is crucial to formulating policies for the consolidation of companies including SMEs.It therefore proposes a vision of the area from urban watersheds, where they develop these small and medium enterprises, which is the city, the knowledge of the ecosystem conditions of such units, defines its potential and limitations and the possibility of the generation of SMEs according to the vocation of urban land.