Two men, who arrived in the island from the Isle of Man today, were arrested at lunch time on suspicion of money laundering.
They were interviewed this afternoon before being released on police bail.
The latest detentions follow the arrests of four men and three women two weeks ago when officers from Guernsey Law Enforcement, HM Revenue and Customs, Cheshire Constabulary, the National Crime Agency and the Isle of Man carried out simultaneous searches of 13 premises in Cheshire, London, Manchester, the Isle of Man and Guernsey.
Almost £1m. in cash was seized from UK addresses.