Keywords: reason for pest analysis In our modern-day society, the business is operating in a complex marketing environment, consisting of uncontrollable causes to that your company must adapt. Hence, it is necessary for the company to look at its marketing environment includes the macro and the micro marketing environment. Some people believe that the business only targets micro marketing environment because they are internal factors near the company that have a direct impact on the organizations strategy. However, others dispute that the wider macro-environment changes might not be as near to the marketing firm's day-to-day businesses, nonetheless they are just as important, that are Political-legal factors, Economical factors, Socio-cultural factors and Technological factors. There are three types of environments which affects an enterprise.