In an economic environment with a perpetually increasing number and complexity of challenges, financial sustainability must be part of the development strategy of any company, emphasizing the good management of the patrimonial resources on the long term. The financial sustainability of a company is actually the ability to generate value with the help of a correct balance between investments and sources of financing. Simultaneously, within a company, the emphasis will be on the vigor of the accounting principle of continuity in long-term operations. Therefore, at the level of each company, managers are faced with challenges related to managerial decisions that would ensure financial sustainability. In Romania most of these companies are financed by bank loans, which leads to a lack of liquidity, which in turn triggers an increased risk of inability to make payments. In a company, financing sources have a strong impact on the liquidity risk, and, therefore, the higher the share of the equity in the company's total financing sources, the lower the financial risk. The results of our research are relevant for providing useful information in managing the activities of companies. wineries and more. Correct and timely information can help a company to optimize its resources and, in addition, to perform a correct analysis. The aim of our research was to make a diagnosis based on documentation of financial sustainability and the factors that influence it. The case study was conducted at a wine company in Tulcea County, Romania, namely SC Alcovin SRL MA cin.