The man, 50, used 10 mobile phones to organise a prostitution ring and put the women through denigrating "try-outs". He was arrested a year ago while on his way to work and was charged Friday with rape and procuring for prostitution.
"I think it was a good verdict," prosecutor Silvia Ingolfsdottir told news agency TT. However, she added that, in her opinion, the man should have been sentenced to 10 years in prison. She has not yet decided whether to appeal the verdict.
The man had been procuring since 2002. The mobile phones on him at the time of his arrest, as well as a bag filled with sex toys, ropes, clothespins, a balaclava and a blindfold.
Using different fake identities, the man contacted young women through modelling websites and convinced them to travel to Stockholm to be photographed. He then "tested" the women by having S&M sex with them, according to the district court. He then procured them to other men.
The 50-year-old has also been ordered to pay damages of between SEK 90,000 and 230,000 to 12 women. Back in 2008, he was sentenced in two sex crimes cases, for child abuse, posing sexually and rape.