From 22 January 1779 until 1798 he was Colonel of the East Devon Militia, which was on active service in home defence until 1783.
The East Devon Militia was again embodied, under his colonelcy, for active service in March 1794,[5] and he was also commissioned colonel of the Somersetshire Fencible Cavalry.
[7] He was appointed a Lord of the Bedchamber to George III on 19 November 1795, an office he held until his death.
[1][9][10] He was also commissioned as colonel of the East Somerset Regiment of Yeomanry Cavalry on 17 September 1803.
[12] Lord Poulett died in January 1819, aged 62, and was succeeded in the earldom by his eldest son, John.