The microbusiness show an image of an specific organization and culture. The development conditiones the expectation limits and economic growth of its environment. Growth may be improved by savings and systematic investment measures, suitable credit lines according to specific characteristics, guarding carefully costs and an up dated knowledge of the market. The unions can interfeer in a positive way on the economic integration of the microbusiness in areas like: production adequation means, raw materials provision, production scales and differentiated product trade in diversed markets. Planning, technological and managerial training along with a carefull cost analysis and political negotiation can improve and intensify the relationship between microbusiness, unions and society.