It was at the beginning of the summer that the police raided the massage parlor in Eskilstuna municipality.
A woman in her 40s was arrested in connection with the attack.
The woman was suspected of gross procuring and was arrested and detained for the suspicions.
According to the indictment that was filed today at the district court in Eskilstuna, there must have been a number of sex purchases at the massage parlor.
Prosecutor Jessica Wenna has previously said that it is about 100 men.
Many of the men are suspected of having bought sex on several occasions.
Several of the men have admitted and already received so-called penalties for buying sex.
That is, a form of fine.
According to the indictment, the sex-buying business has raised around SEK 400,000.
The indictment also states that personnel who performed the sexual services lived on the premises under "primitive" conditions.
The evidence in the case is largely based on swish payments where customers are first said to have paid in an amount for a massage service and then sent another amount to the suspect woman - money that is to be payment for sexual services.
There are also witnesses in the investigation.
Among other things, men who knew how the sex purchases went and a woman who sold sex herself.
The woman in her 40s is charged with aggravated procuring.
She denies any wrongdoing.
The indictment will also be about the woman paying a so-called company fine and if she will be banned from doing business.