Global crises of the end of the XX – beginning of the XXI century have additionally contributed to the search for new market opportunities and made it obvious that on the modern market efforts of one particular company are not enough to do business efficiently. Thus, companies choose a survival strategy in times of growing uncertainty and together with small-scale and medium-scale companies form unified structures which allow competing successfully with large companies. These structures also reveal and enhance their advantages which lie in flexibility and adaptability to the market demands. The article examines basic models of the intercompany networks which meet the requirements of transition to sustainable economic growth in the cross-border region (Latvia-Lithuania-Belarus).