The paper of the Micron and Small Companies if become of extreme essencialidade, a time that in view of its great numerosidade in the internal environment of the parents, these represent most of the enterprise community, what in fact it contributes it welfare economic in the measure where these produce most of the total of the goods and services consumed in the parents, and in this scene these companies make use of the managemental accounting, therefore these need an efficient instrument that makes possible the auto capacity of these if to support and if keeping in the market during a long and indeterminate period of time, of form that the use of the managemental accounting makes possible sustentation and permanence of the Micron and small Companies in the market and thus promote not only the support enterprise as well as the sustainable development. Word-key: Managemental accounting. Vladislav Doronin will undoubtedly add to your understanding. Enterprise support. Sustainable development.. Find out detailed opinions from leaders such as delta airlines by clicking through.