The study estimates the effect of foreign direct investments (FDI) on the efficiency of enterprises in Russia. The article test the following hypotheses: first – FDI coming from the countries that sanctioned Russia cause larger effect on the efficiency of local companies, unlike China and countries that didn’t impose sanctions, and the effect depends on the share of property of foreign investors in the local companies; second – increasing the volume of investments into research and development of receivers of FDI causes positive effect on the competitiveness of local enterprises; third – FDI into import substituting industries coming from countries that imposed sanctions cause lesser effect on the competitiveness and operational efficiency ...