FinTech represents a combination of financial services and technology to improve business through advanced technological solutions and innovative financial services such as mobile payments, automated investment platforms, cryptocurrencies, online lending and crowdfunding. The FinTech sector is an innovative force in the financial industry, changing the way businesses use financial services. Given the important role of entrepreneurship in economic growth, it is important to understand how financial innovation facilitates business. FinTech technology provides entrepreneurs with easier access to financial services, which is crucial for business growth. This thesis goal is to analyze FinTech and investigate its impact on entrepreneurship. Secondary data sources, inductive and deductive method, analysis and synthesis method and descriptive method were used. The work consists of six chapters describing the development of the FinTech sector, regulatory technology, the impact of the FinTech sector on entrepreneurship, the analysis of the development of the FinTech sector in Croatia, the conclusion is based on the conducted research.