Business intelligence is playing an essential role of doing business today. The main part of business intelligence are the data files which are collected from the outside world and transformed into information and the information to knowledge which is important to the managers who manage the business. Business intelligence comprises the set of tools like data warehousing, data mining, OLAP, data analysis, control panels, benchmarking. The importance of introducing such a system as well as the benefits of introductions are multiple. In today's dynamic business environment, when it is important having the right information in the right time, business intelligence is playing the key role in providing that kind of information. His role does not only consist of processing the information to the manager and determine which information is the important one, it also consist of using the right information at the right time to help build a better connection between client/customers and suppliers, keeping them loyal, and ensuring market competitiveness. All this results to a better and more profitable doing business. In Croatia, today this system is not developed as it should be, but considering the challenges of doing business it has potential to be introduced in the management system of many enterprises.