The paper discusses what business intelligence, data visualization, and various visualization tools are. Initially, it defines business intelligence, what is its basic role, what enables companies and what are the basic methods of business intelligence. It defines what a particular method is for and what impact it has on companies. The latter method of data visualization has been elaborated in more detail due to its high demand in today’s world. Why has there been so much need for visualization, what is it, the process of visualization development and the benefits it provides to businesses? The tools used in the visualization process are listed. What are they, what are they for and what are the characteristics of any good visualization tool? Here are some examples of the most famous tools used today. For each, there is one example of visualization and the stated advantages it has over other tools. Finally, the necessary need for visualization is explained and examples are given that show that visualization has such an impact on the world, that there is a need to develop additional upgrades to give certain tools the ability to visualize.