This study shows the result of the review of the maturity models for the implementation of Industry 4.0 in SMEs. The aim is to establish a methodological framework that analyzes the validity of said models in Mexican SMEs. This background review has shown that in Mexico, there is a gap in applied and validated research in local SMEs considering their context, so future research should focus on taking advantage of the contributions that have been developed in other contexts such as Europe, United States, and Asia. To develop and improve the validity and reliability of the results presented in these studies, through specific surveys and a statistical generalization to a broader sample, in the context of Mexican SMEs. These results can then be contrasted with the results obtained in other latitudes.