project's abstract This work had as main objective the development of a proposal for improvement in the management of the supply chain and in the management of the customer service to increase the profitability of the distribution company C & C DISFEI S.A.C. The supply chain currently used by the hardware distributor C & C DISFEI S.A.C. Is characterized by being complex, by the different areas that constitute it and makes it very difficult to serve customers in a timely manner with the products requested. The problems that could be evidenced after performing the diagnosis of the current situation of the company were: there was no training of workers, the time of order dispatch had a delay of 98 minutes, the benefits of an optimal chain, Bad management of purchases, there were breaks and ruptures of stock, did not apply any method for the classification of products, existed products in over stock, among other problems. To improve the supply chain of the company C & C DISFEI S.A.C., which is dedicated to the distribution of hardware products in more than 10 cities in the north of the country, we used information from books, theses and related webs on the supply chain. The information obtained suggested an improvement of the supply chain, such as hiring an expert to sensitize workers to the benefits of supply chain optimization, mapping each process and gathering information to reduce the supply chain. Time in the reception and storage process, picking, dispatching and purchasing, warehouse reorganization, new design - lay out and improved inventory rotation from 4 to 6. Likewise, it was possible to verify the feasibility of the project improvement proposal according to the economic and financial analysis, obtaining an NPV of S /. 319,339.26, an IRR of 77% and an IR of 1.12, which demonstrates the project's profitability