Akram Ul-Haq, 37, of Emerald Road, was convicted of several counts of money laundering and laundered £1.3 million of money from a firm of solicitors.
He was also convicted of conspiracy to commit fraud, alongside Nighat Sultana, 35, also of Emerald Road. The two stole £176,000 from a Chinese company, and £98,000 from an Israeli company.
Investigation Officer Gary Hales said: “The duo carried out a number of offences, taking a great deal of time and effort to deceive the victims out of large numbers of money.