Business environment of International Zagreb Airport Jsc. is variable and subject to various legislative, market, technological, and even natural disasters, and emergency situations. It is precisely these changes that represent the research problem that the paper deals with, how to react to them and in what way to adapt business strategic documents to them. The subject of this paper is the analysis of the business environment of International Zagreb Airport Jsc. The aim of this paper is to study the internal and external influences on the operations of International Zagreb Airport Jsc. The analysis provided answers based on which new strategies, goals and management plans are modified, in order to respond to the challenges in the ever-changing business environment of the Airport as quickly and qualitatively as possible and ensure the Airport's position as a market leader. In this paper, the concepts of company environment analysis, methods and techniques of company analysis, methods and techniques of business environment analysis, connection of the analysis of external and internal factors (SWOT analysis and TOWS matrix), PEST analysis are studied and applied to the example of International Zagreb Airport Jsc. The analysis identified and determined the key challenges that the company is currently facing and that are coming in the future period of operations. It has been established that development strategies predict and respond to some of the challenges of the external environment that follow, however, there is a need for International Zagreb Airport Jsc. develops strategies and measures for dealing with the challenges of the internal business environment. The paper proposes strategies and ideas with the aim of improving the company's position on the market.