Two men have been released on bail following dawn police raids.
Following the raids on Thursday at addresses in Aylesbury, Stoke Pogues, High Wycombe, Witney and Gloucestershire, more than £300,000 in cash, and Audi A5 car and suspected class A and B drugs were seized.
Seven people were arrested including two men from Aylesbury.
A 29-year-old man arrested on suspicion of failure to comply with the requirements of money laundering regulations and possession of class B drugs at an address in O’Grady Way, Aylesbury, has been bailed until May 2.
A 27-year-old man arrested on suspicion of possession of criminal property and possession of a class C drug with intent to supply at an address in Pakenham Close, Aylesbury, has been bailed until 12 May.