At a press briefing, police said the syndicate "provided a comprehensive service to sex workers and organised prostitution groups...
The site has a fee-paying membership system, called the "sponsored member scheme".
Different types of memberships, costing HK$300, HK$1,000 or HK$8,800, have different user rights, depending on which they may access or edit monetised content.
She alleged that the network is condoning the situation.
Apple Daily also reported that two organisations dedicated to helping sex workers, Zi Teng and AFRO, had received complaints that sex141had been scamming sex workers.
it enjoyed a near-monopoly of the local on-line sex industry.