The theme of this master's thesis is Innovations in tourism intermediaries - contributions and influences in Croatian tourism. In order to survive in a turbulent tourism market, tourism intermediaries must adapt to changes in the market, respond to the wishes of tourists, plan sustainable development and implement innovations and technological solutions in their products and services. The master's thesis consists of an empirical and theoretical part of the research, and the subject of the research is the analysis of innovations in tourism mediation in the world and in Croatia. The main goal of this master's thesis is to see guidelines for the contribution and impact of innovation in Croatian tourism on the example of Channel Manager BeeRent, and the purpose is to see how innovation can affects the tourism intermediaries in and increase the competitiveness of the tourist supply. The results of the research of this master's thesis revealed that innovations and technological solutions contribute to the competitiveness of the tourist supply and that they create numerous influences, primarily economic, socio-cultural and environmental. Furthermore, advanced technological solutions in tourism contribute to cultural influences. In today's time of globalization, it is very important to know how to use new modern technologies in business.