The article consist of introduction, three essential paragraphs and conclusion. In the first paragraph the role of foreign corporations’ expansion of FMCG branch in Polish trade aspect is discussed. The second paragraph concerns the estimation of the influence of foreign trade networks on labour markets (based on Silesian region’s case). The payment of income taxes by corporations in comparison to participation of MSP sector in income taxes’ shares is discussed in the third paragraph. The conclusion explains why it is difficult to analyze the influence of direct foreign investments on trade in local and regional development’s aspect. There is not enough data adapted to analyze the trade influence on labour market and local budget.