Arrangement was founded in 2010, and is owned by Avid Life Media, a Toronto-based company that also operates Ashley Madison, the infamous dating website for married people.
Cost of membership to Arrangement is per month for men, free to women.
I am bisexual, so sugar mommas and dads, I want you! "Looking for monthly financial support of to k with meet-ups once or twice a week," wrote 25-year-old Rei Rei XX, who joined the website in April.
Nicolettebaby, who listed herself as a 23-year-old with a 34C-26-33 figure, wrote: "Dinner dates at 0.
"Please don't contact me if you don't even enjoy sex." But others claim they are not looking just for a sex partner.
"I am a regional sales director and stock trader and can teach and guide you in stock trading if you are keen," was one response a fictitious account set up by The Sunday Times received from a 46-year-old man who lives in Alexandra.
Most women on are in their 20s, but some are just 18.
In their profiles, they list what they can do and are willing to do.
On whatsyourprice.com, where men make bids to ask women out on dates, there is a list of 250 men and 350 women from here.
These men are mostly in their 40s and 50s and listed occupations include lawyers, traders or marketing directors.
Around 350 men listed their relationship status as "married but looking" on
Another 34-year-old finance professional offered 0 for a first date at
It is free for women to join these websites, but men have to pay as much as 0 per month to make contact with women.