There are direct and indirect foreign investments in the world. Foreign direct investments can be divided into Greenfield and Brownfield investments. The value of Greenfield investments on the global level in the year 2015 was 751 billions of dollars, of that amount 560 billion was distributed in developed countries. Theories of investment are trying to explain the ways of investing and are finding the most economic ways for financing. Among others, there are four theories that are highlighted: the theory of comparative advantages, the theory of licensing, Dunnings theory of foreign investments and the theory of industrial organization. Investor will invest in a specific country when they find it interesting. FDI index of restrictiveness is telling us which country is open for trade, it has values from 0 to 1, where 0 stands for open market and 1 means closed. Transnational and multinational companies are channels that are highly important for the FDI because they are doing business overseas, operating on global level hiring foreign employees and investing worldwide. The countries are divided into developed economies, developing economies and transitional economies, there are also landlocked and least developed economies. Flows of foreign direct investment can be seen through inflows, outflows and stocks. Total inflows on global level of FDI in the year 2015 came up to 1,76 trillions of dollar while the total outflows calculated for 1,47 trillions. Inward flow of stocks in the 2015 were 24,9 trillions and the outward flow was 25 trillions of dollars.