His last career change was to publishing, when he bought The True Briton, and then The Sun, a deeply Tory newspaper, in 1813.

A True Briton (1912)

He published The True Briton as a periodical to oppose the rise of Walpole.

The estate is served by two Banks's pubs: "The Ashmore" and "The True Briton".

In 1816, Captain Head of the True Briton found the island and kept it in view for six hours.

He then launched the True Briton, a morning daily, on 1 January 1793; it, too, was funded by the Treasury and maintained a strongly pro-government pro-Tory line.

The True Briton would continue for eleven years before collapsing, whilst the Sun survived until Heriot retired in 1806.

The government's paper the True Briton attacked Burke's language and claimed that his ideas about restoring the French monarchs would be impossible.

'The True Briton', 16 February 1798; The Times, 16 February 1798, p. 3.