The final paper deals with the topic of analysis, influence and role of banks in the business market in the Republic of Croatia. Guided by the fact that the banking system makes upt he majority of the entire financial system and that banks are of special importance in credit and business support to the growing part of the economy and households, the paper deals with the role of banks in the business market in the Republic of Croatia. Looking at banking exclusively from an economic perspective, the situation in the country's economy affects the operations of banks, which today are increasingly faster, more dynamicand more susceptible to change, which has been affected by globalization and the informatization of society. In such conditions, bankers are forced to continuously improve and implement new techniques and use them intraditional banking, without neglecting the entire business processes that take place in the bank and its environment. In order to facilitate the analysisand show theim pactand role of banks, the functioning of banking operations, ie the characteristics of banking operations, banking operations as well as the types of banks and the development of banking in the Republic of Croatia have been explained in more detail. Also, the structure of the banking sector is presented with a more detailed overview oft heleading banks in the Republic of Croatia. A brief overview of the comprehensive money market and capital market in the Republic of Croatia is also given.