The globalization of markets, modern information and communicationtechnologies, and the corona virus pandemic have brought fundamental changesand new business paradigms. Enterprises operating in transition countries face anumber of challenges when it comes to achieving and maintaining a competitiveposition on the international market. This paper analyzes the impact of applicationinformation systems application, quality management and other factors on theimprovement of business performance. The aim of the research is to establish amodel for improving business performance and market performance based onbusiness information systems and effective business decision making.