Resumen: The approach is based on a case study and is divided into several stages. A study of the literature, backed up by scientific papers, is presented in the first level. The main objective was to acquire knowledge, look into research case studies in the same context and analyse the methodologies used. In the second stage, one describes the procedure and flows of the materials on the company´s floor. In the third stage, one proceeds with the analysis of storage product types and characteristics, as well as existing locations and the identification of the warehouse process. One also analyses the most adequate Lean tools for the context using key performance indicators, the financial data has been modified with a correction factor between 1,5 and 2. The fourth stage consists of the conclusions and problems detected in the enterprise as well as possible solutions.