A Supreme Court jury has returned its first verdicts in the trial of Ausdrill managing director Ron Sayers and Barminco founder Peter Bartlett, who are facing charges over an alleged plot to defraud the tax office.

A Supreme Court jury has returned its first verdicts in the trial of Ausdrill managing director Ron Sayers and Barminco founder Peter Bartlett, who are facing charges over an alleged plot to defraud the tax office.