The goal of this paper is to analyze the effects of ICT on firms’ competitiveness, as well as on their level of innovation, productivity and on the market share depending on the tourism area: Accommodation, Gastronomy and Travel Agencies. On the whole, it has been proved that the use of diverse ICTs has little effect on the level of competition as well as on increasing productivity, while in general, they have a positive effect on increasing the market share of the firms.