Despite identifying as straight, the escort revealed his kinky clients are mostly men and some of them are married or have girlfriends.

Although he usually sees people in his flat or at their place, sometimes the sex worker hires out a dungeon to cater for people's BDSM fantasies.

He said: "Spanking is very common here, especially with ex-public school boys – they seem to have a bit of a kink for that and being tied up.

"I don't see a lot of women for kinky stuff, it tends to be the older guys.

"I've got a ball-busting regular who likes being kicked in the groin – and I used to practice Thai kickboxing so I can kick pretty hard.

Although chains and whips are common practice, his most popular service is a naked oil massage followed by sex.

ALSO READ: 5 STEAMY sexy pictures of the world's costliest prostitutes

He has a few house rules he sticks to and doesn’t offer the “boyfriend experience”.

"I don’t kiss and I don’t do sex without a condom," Oz said in an interview. "I don’t do drugs, but apart from that I’m pretty open to all kinds of fetishes."

He also revealed that he has clients from all over the world who fly him over when they need him.

Oz revealed: "I have a regular in Dubai, that pays for my flights and hotels in a luxury resort. I've been taken to New York, Hong Kong, Sweden, Singapore.

"He'll be busy through the day so I'll have time to myself and I'm able to charge things to the room like massages or spa treatments for myself.

"Then we'll go out, usually to an extremely nice Michelin star restaurant and then back to the hotel at the end of the date."