He practises business , public , regulatory and immigration law at Fraser Milner Casgrain , working for corporate clients in the telecommunications , broadcasting , transportation , pharmaceutical , biotechnology , high - tech and financial services sectors .
He practises business , public , regulatory and immigration law at Fraser Milner Casgrain , LLP . 
 Mahoney also works for corporate clients in the telecommunications , broadcasting , transportation , pharmaceuticals , biotechnology , high technology and financial services sectors .