Kunyi He, of Totteridge Road, High Wycombe, is accused of being a key player in the running of 10 brothels in the South-east including addresses in Altwood Road in Maidenhead; Monarch Court in Langley and Copper Beeches Guesthouse in Bath Road, Knowl Hill, between 2008 and last year.
He has denied one count of conspiring to keep brothels.
Judge Peter Ross is due to start summing up on Monday at Reading Crown Court.
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The victim of an assault in Cippenham was flown to hospital by air ambulance this afternoon.
A rapid response vehicle, an ambulance officer, an air ambulance and an ambulance crew were all called to an address in Earls Lane at 2.10pm.