Why use a charter broker?
Are you crunched for time or worried about all the trip details? Then you might consider working with a charter broker. The broker represents your interests and deals directly with operators and other trip service providers. A good broker can get you competitive rates, contigency planning and organizing all the logistics of a trip. While operators are strongly inclined to use the aircraft in their own fleet, it can be strongly argued that a broker is more inclined to look for the right aircraft for your trip.
An experienced and diligent broker will find the safer and better equipped operator, will check on certification, safety record & crew experience.
In short broker is representing your interests. Service is what they are best at.