A business application is related to everything that helps improve the business flow of a company, optimizing its processes and strategies. In this paper we discuss the project that was put into practice with a business application developed to improve the services provided by the company “Créditos, Negociaciones e Inversiones Cesar SAC”. The software was developed following the incremental methodology based on its analysis, planning, development, and testing phases. As a result, it was obtained an increase of 13.14% of the total income generated equivalent to 12,360 Peruvian soles, taking as criteria the annual amounts of the year 2020 and 2021, using the software in this last period as a complementary tool for the development of business processes of the company.