If you are unemployed and want to start a business, you can apply for a start-up grant from the Employment Agency. For this you need the opinion of an expert on your business concept.
Do you want to work as a self-employed insurance agent? Then you need to apply for a license from the relevant Chamber of Industry and Commerce (IHK). Find out more here.
Do you only want to broker insurance as a supplement to goods or services? Then you can apply for an exemption from the licensing requirement at the relevant Chamber of Industry and Commerce (IHK). Find out more here.
If you want to have an event recorded, you must apply for this. There is no obligation to schedule an event. Scheduled events are exempt from certain requirements.