So you're prepared to employ others but haven't made yourself aware of the relevant legislation - so, therefore, not really researched what you're doing?
Thats comforting.
I date women, not men, in my private life. If I had an attractive woman all over my near naked body covered in oil (besides the fact I'd retch at the soft porno cliche) I'd expect some form of sexual relief. If I'm thinking that, a red blooded hetero-male is going to be thinking the same. If I go for a massage thats above board, it isn't to a 'luxury' apartment where I can have champagne with a pretty girl.
You might have a market for what you claim you offer in London - London is a big city. Southampton isn't. Still doesn't explain why, as Roxy said, you are advertising on a sex worker forum.