摘要:Keywords: Altman Z-Score method, bankrupt analyze ABSTRACT Economy is booming and the competition among companies to be stricter. Of increased competition will require companies to always be fundamental to strengthen the management system, will be able to compete with other companies. The inability to anticipate global developments will lead to downsizing in the volume of business that ultimately resulted in bankruptcy of the company. Altman Z-Score model is a model used in predicting the potential bankruptcy of a company that consists of a combination of certain financial ratios of Working Capital to Total Assets Ratio, retained Earning to Total Assets Ratio, Earning Before Interest and Taxes to Total Assets Ratio, Market Value of Equity to Book Value of Total Liabilities Ratio. The aim of this thesis is to determine the potential bankruptcy of the estimated service companies that have been going public at the Indonesia Stock Exchange and financial ratios to determine the effect of potential of bankruptcy Altman Z-Score model. The results of the study showed that 11 There are service companies that are healthy in this category and do not have a heavy financial problems within five years. Meanwhile, there are six companies that are in condition has the potential to bankrupt and was experiencing serious financial problems for five consecutive years. While the rest are in vulnerable conditions (gray area). Results from this study also showed that the working capital to total asset (X1), retained earnings to total asset (X2), earnings before interest and taxes to total assets (X3) and the market value of equity to book value of total debts (X4) have a significant effect on the potential bankruptcy of either partially or simultaneously.