Broker: Definition, Forms, Regulation, And Examples A broker is a person or business that expenses a rate or commission for executing get and sell orders submitted by an investor. Be sure to enter a town and condition separated by a comma or possibly a 5-digit ZIP code. You should enter https://docs.google.com/document/d/1ruopZ-LjJQm5qJYMAAhATNpNiHc6nm__j61Kv814wkI/pub