Company dedicated to the management and consulting of investments for Real Estate developments that covers the area of the West Corridor from Luján to Leloir. Although it is a young company founded in early 2011, it has its antecedent in 1972 when Luis Sirianni founded the Construction Company Sirianni & Lewin S.A, dedicating himself heavily to industrial projects. For more than 25 years the company remained active and then went on to dedicate itself to single-family housing projects. Later, Gabriel Sirianni, after training in the legal, financial and real estate areas; he decides to continue the trajectory and founded GSDI with the same suitability and commitment as more than 40 years ago.