Are you about to buy a modular office building? You must be aware of the fact that you would be required to get licenses for portable buildings in some area. If you are about to erect a number of portable buildings, you should consider hiring the services of a professional contractor who specializes in the handing of portable buildings. These contractors would take care of all the aspects. they would move the portable buildings, get the licenses, erect them for you and dismantle them when you are done.