Lord Justice Guy Newey practised at the Chancery Bar between 1983 and his appointment as a High Court Judge (Chancery Division) at the beginning of 2010.
Before taking silk in 2001, he was one of the Junior Counsel to the Crown (Chancery/A Panel) (from 1990) and Junior Counsel to the Charity Commissioners (from 1991). In 2003 he became an (Acting) Deemster of the Isle of Man, and in 2006 he was appointed as a Deputy High Court Judge.
He also served as a DTI inspector, inquiring into the affairs of MG Rover and associated companies.
As a judge, he was the Chancery Supervising Judge for Wales and the Midland and Western Circuits between 2014 and 2017. He was appointed as a Lord Justice of Appeal in October 2017.