Digital transformation is one of the major challenges thrown up with the technological and societal evolution of recent years. It represents an interesting research area nowadays, especially with its increasing number of papers in this field. However, the current literature approaches the implementation of digital transformation in a fragmented way. In addition, several managers report their inability to succeed in the digital transition due to a lack of visibility and a non-existent integrative approach. To overcome these limits, this work proposes a transversal and integrative approach to the implementation of digital transformation and its main stages. We suggest adding the integration of the PDCA approach into the whole process of digital transformation to optimize the results of this transformation. Thus, this work can serve as a guide for any company wishing to consider a technological investment and digital transformation project.