Scott’s father was one of a group of Scottish wine merchants, settled in Madeira and trading to the West Indies, the continental colonies, and the Guinea coast. About 1738 he left his partners John Scott and John Pringle in charge in Madeira, and transferred his headquarters to London.
In 1774 Scott, who was connected in business with the Maynes of Lisbon, was returned both for Sir William Mayne’s borough of Gatton and for Wootton Bassett, but chose to sit for the latter. As a city merchant with many business and personal connexions in the colonies, he was anxious to end the American quarrel. Almon confusedly reports on 6 and 27 Feb. 1775
Differing in politics from his friend John Pringle, he severed his connexion with Scotland, sold Crailing in 1786, and settled at Danesfield in Buckinghamshire where he died 6 Feb. 1808, aged 61,
