The project analyzes, by means of a case study, the implantation of a retail company of luxury in Rio de Janeiro. The valuation of a project can be done by using diverse methods. The traditional model of discounted cash flow and the valuation by multiples are discussed and applied in this study. Such study projects the results of a retail company of luxury for the next nine years and from this, the net present value of this company is calculated. To minimize the risk of having a floatation of the estimate forecast of the growth of the demand, a sensitivity test is carried through, that measures the results of this project in case of retractions and increase in the growth of the demand. Furthermore, is carried through a comparison, by means of financial datas, between results in this project throughout the nine years and the results of brazilians retail companies which are negociated on the stock market. From this study, it can be concluded that the investment in projects of luxury in Brazil can be an interesting alternative to the traditional retailing.