New forms of production and consumption seek greater respect for the environment and the environment in which economic agents are. This has led to circular business practices becoming more important and generating benefits in the final product. This chapter will show the relationship between this practice and SMEs, the problems faced by these companies, and the benefits that this practice can generate for the growth and competitiveness of organizations. The chapter will show in its first part the evolution of the circular economy, and then explain the relationship between it and the SMEs, highlighting the problems and obstacles faced by these companies to implement best practices in production. Finally, recommendations are given to facilitate the implementation of this practice in companies.