 He was finally appointed Colonel of the Royal Scots Greys in November 1770, a position he held until his death.In 1742 he acquired Braikie Castle between Brechin and Arbroath.He bought back the family estate of Brechin Castle, Forfar and was created Baron Maule, Viscount Maule and Earl Panmure in the Peerage of Ireland in 1743, his uncle's earldom having been forfeit by attainder in 1716.