Is there a fee for bringing a lady or ladies back to the hotel for the night?
No there is no fee. You and your lady will be stopped as soon as you enter the hotel lobby by a hotel member of staff sitting were the tour desk is during the day...he will ask you what the number of your room is and your Thai lady for her ID which he will keep and log down. When your lady has left to go home or whatever the hotel staff member will phone you to ask if everything is ok. If everything is ok and you had problems with her she then gets her ID card back. I'm not sure about the hotels policy is on two ladies or more you may have to pay 500 baht like some other hotels do for an extra guest.
There is no charge like this happen.
Having a few beers with someone staying there to me there Is a cost however book for two people and on arrival say your friend is coming
Apparently that works for one person he said multiple may require multiple payments unless you sneak them in
Get an answer from Majestic Grande Hotel staff and past guests.