Two women, Dilan Rabati, 34, of Broad Avenue, and Dalya Rabati, 29, of Frazer Nash Close in Isleworth, London, have been charged with offences under the Proceeds of Crime Act.
Dalya Rabati has also been charged with one count of fraud.
Ahmed Nabla, 34, also of Broad Avenue, has been charged with offences under the Proceeds of Crime Act.
Diar Muhammedy, 34, of Falmouth Road in Leicester, and Mabast Khalid, 21, of Manway Close in Birmingham, have been charged with assisting an offender.
Nazem Kakamando, 50, of Gordon Road in Birmingham, has been charged with fraud by false representation and offences under the Proceeds of Crime Act.
Officers initially arrested 12 people on Tuesday.
Two men, 25 and 23, who were arrested on suspicion of murder, were released under investigation while inquiries continue.
A 23-year-old woman, who was also arrested on suspicion of murder, was released from custody on Wednesday with no further action to be taken, the force said.
A 61-year-old, from Leicester, who was arrested on suspicion of murder, has also been released on police bail while inquiries continue.