Moroccan handicraft is rich in its know-how and authenticity, but today the informal way of transmitting knowledge loses its effectiveness. The risk of losing this cultural heritage because of competition and globalization challenges is real and its preservation is more necessary than ever. For that purpose, this paper aims to set up a capitalization process using knowledge management methods that are the best suited to be applied to this specific field. Presented here is a methodological framework divided into four big stages that are explained through a case study within the Moroccan zellige handicraft. The approach calls for identifying the most critical and vulnerable know-how and its transcription through a modeling approach. The methods used come from the knowledge management and knowledge engineering domains. We have chosen the MASK method for knowledge modeling and a mix between the “Process” approach and the “Domain” approach for the criticality study. The result is first and foremost a critical knowledge map of the proposed craft; and secondly, a transcription of the knowledge in the form of knowledge models that will compose a business memory currently missing in the handicrafts field.