Under the conditions of EU association, one of the important for Georgia is to create such tax policy that shall be agreeable and settled with the economic systems of developed countries. The efficiency of the tax system depends on the optimal tax policy, according to which highly available and modern standard-oriented business environment is created. In 2017, the Parliament of Georgia passed the reform of profit tax that is aimed to free the business entities from profit tax during the reinvestment process. All the above mentioned maintains the topicality of ongoing reforms in Georgia. The goal of the research is to identify the impact of the new tax system on the Gross Domestic Product, the stream of investments, stimulation of business, and the period, after which the results of the reform will be favorable for the economic. There are various researches and scientific publications on the given issue. According to the study, the reform will produce a long-term macroeconomic effect that will mainly aim to favor small and middle scale businesses. Liberal tax approaches are advancing Georgia's investment attractiveness, reflecting an increase of investments. This work is based on Estonian experience presented in statistics and international studies. The information processed by experts and researchers helps us to evaluate the impact of this reform on Georgia.