There are a few reasons that Jim Beam is considered to be a great bourbon. First, the company has been around for a long time and has a lot of experience in making bourbon. Second, Jim Beam uses high-quality ingredients and takes care in the distillation process. Finally, Jim Beam bourbons are aged for a minimum of four years, which helps to develop their flavor and character. All of these factors combine to make Jim Beam one of the most popular bourbons on the market.