Information and communication technology sector and Information and communication technology companies are considered in general level as a highly potential for contemporary and future development for each economy with significant positive impact on labour productivity, economic growth and standard of living.The article deals with determination of factors and the economic-societal benefits, respectively costs that are resulting from this ICT sectoral specialization for the region in the context of next - potential development of this region. These factors, usually in the form of "soft externalities" help all stakeholders and other interested subjects to their positive (qualitative and quantitative) growth and welfare.Deepening sectoral specialization of ICT companies not only contributes to increasing the competitiveness and success of their own companies operating in this economical sector, but contributes also to regional sectoral competitiveness, which is further from the micro level transforming the competitiveness of the sector and subsequently into the competitiveness of the economy as a whole (Benes, 2006). Agglomerating process of territorial concentration of the ICT industry would be interested to ICT firms themselves and should be actively supported by their leadership and management as well as by the national economic authorities.