Car rental companies Nandi Trans Yogyakarta is still using manual database that all the transactions written on paper. This makes the business processes that are running slow and less effective and less efficient. This study aims to build a car rental application that can be used to process data management such as car rental vehicle list processing, the data driver, tenant data, transaction data, and reports the lease. By doing the analysis and design of information systems in Nandi Trans Yogyakarta, which is one of the car rental that still use manual way in rental management and recording data, is expected to increase the ease of creating and presenting data rental car business. From the results of the identification of the problem, finding a lot of things that become obstacles in the management of data on Nandi Trans Yogyakarta, which is the process of data recording and presentation of information is inefficient because it takes a long time, the resulting data is often inaccurate due to human error and data reliability is lower, Data security is often less secure occurrence of damage or loss of data. considering the results of the analysis of weaknesses in the system, the new system is needed that will benefit the company and generate rental car information that can help in improving the performance of Nandi Trans Yogyakarta to support its business, especially in terms of finance car rental data. The information system is designed by using Microsoft Visual Studio 2010 and MySQL as database.