ENThe development of the business environment are the main motivators for the prosperity of the country's economic prosperity. Estonia, Latvia and Lithuania are Post-Soviet countries that today create favorable conditions for business development, as well as favorable conditions for employment of their citizens and migrants. Development of tax legislation for enterprises, support of international organizations, inflow of foreign investments, development of human resources - lead to the development of a competitive economy at the global level. The constant trends of change in the country's economy are closely linked to the prosperity of business in the country. The Baltic countries, Estonia, Latvia and Lithuania, have common features and a similar history. The three countries on the European Union's border with Russia regained independence from the Soviet Union in the early 1990s and then joined the EU in 2004 and then the eurozone. They show great similarity in terms of their geography, size, economic structure, development and demography. When joining the European Union in 2004, the Baltic countries belonged to the regions that were in the stage of economic transition, this was accompanied by high unemployment, low GDP, high inflation. By joining the European Union, the Baltic States have improved their economic infrastructure. European integration has given countries unlimited access to the European market, no borders, simplified relations in the field of free movement of goods and services, which has led to lower production costs.Latvia, Lithuania and Estonia have become participants in the European market with common production standards, which in turn has helped reduce costs for entrepreneurs and improved the business environment in the countries. It should be noted that due to the accession to the European Union during 2004-2019, the Baltic States have improved their economic infrastructure. European integration has given countries unlimited access to the European market, no borders, simplified relations in the field of free movement of goods and services, which has led to lower production costs. Latvia, Lithuania and Estonia have become participants in the European market with common production standards, which in turn has helped reduce costs for entrepreneurs and improved the business environment in the countries. Key words: business environment, the Baltic States, the European Union, the European market, favorable conditions for business.