The main aim of this thesis is to describe business and mobile business intelligence systems and explore their use in small and medium enterprises in Croatia. That research will be compared with similar researches in the world. Business intelligence includes programs, applications, infrastructure and tools for gathering, storing, analyzing, and providing access to data to help users make better business decisions, and mobile business intelligence is application of business intelligence on mobile devices. Within this thesis was made a research on the sample of 83 enterprises about using business and mobile business intelligence, in small and medium enterprises from Croatia. More then a half enterprises from the research recognized importance of using business intelligence despite that they don't have separate business intelligence department. Importance of using mobile business intelligence is not recognized and more then a half enterprises doesn't use it. The major obstacles for implementing mobile business intelligence systems are lack of knowledge for mobile systems and insufficient budget. Users who already have mobile business intelligence implemented see many advantages as: greater efficiency and business processes coordination, improved sales, service and customer support and increased cooperation between employees ultimately leading to improved financial results.