This dissertation has as objective to analyze the cultural management and the impact on the organizational performance of a 145 year old organization, which with 68.000 employees represents the largest Brazilian financial agent. This organization fosters the urban development in real state, sanitation, infrastructure, funds administration and in social programs and services. The position the company holds in the national market and mainly its history through liability crisis and its results with internal and external reasons until its recent result recovery is associated with the financial market environment. This position has been showing constant alterations mainly due to the financial setting changes that have been responsible for the significant organizational changes. In this study, a qualitative analysis has been done on semi-structured questionnaires, presidential speeches and individual interviews according to cultural and proposed models by Chow and Al Gordon. It has been concluded that the organization has adopted a strategic planning more focused on the market and on the clients emphasizing the idea that there is a strong correlation among culture, strategy and performance and making more evident the importance of some variables such as combination process, power structure and decision process and the management of the organizational changes.