[header] How to start a promotion company [title] Gain experience in promotional work. [step] Before starting a promotion company, you'll want to gain some experience in the area. One way to do so is to spend a few years working in an existing promotion company to learn the ropes and establish contacts. 
This will allow you to witness a number of large promotional campaigns from inception to end and build your experience, as well as your professional network. You will also avoid assuming any personal financial risk for shows when you work with a large company.