Assalamu alaikum Brother,
I just saw your last post. Since you are in Dubai, it might be very similar to Saudi Arabia where most banks (if not all) have Islamic committees that go over the contract to make sure the lease is Islamically permissible.
You would have to ask the bank you are planning to deal with, and make sure the Islamic committee has people who are known to be reliable and trustworthy. In Saudi Arabia, the Islamic committees in some of the major banks have well-known Islamic scholars. That might be the case in Dubai, too.