This article aims to present the main marketing concepts applied by micro-enterprises within a brief contextualization of a marketing plan. The development and theoretical evolution have stemmed from the bibliographical research as well as field research and observational studies by the author of the article. The goal is neither to exhaust the topic or to construct a Marketing Plan, but rather to contribute to the discussion, learning and use of a marketing mix in the segment of micro-enterprises in a more assertive manner. It was concluded that there is no doubt as to the importance of micro-enterprises for any country. Their contribution lies mainly in the economic and social insertion. It should be taken into account that micro-enterprises are greatly responsible for job generation in our country, realising their prominent social and ecological perspective. More than a transient way of earning money, the reality of micro-enterprises must be considered as a social and economic phenomenon capable of generating regional and consequently, global growth.