A friend said to me: I want to buy a car in return for deferred payment; do you know anyone? I said: Yes. I went to the car’s owner and told him: I have a customer for you, but I want a broker fee without my friend finding out. What is the ruling on what I did?.
Praise be to Allaah.
There is nothing wrong with working for a seller or a buyer;
there is nothing wrong with stipulating a condition in that case. End
quote.
Majmoo’ Fataawa Ibn Baaz
(19/31).
See also the answer to question no.
45726, in which we explained that
it is permissible to accept payment for brokerage, so long as the broker is
trustworthy and honest.