Glyn entered his father’s bank, Glyn, Mills & Co. of Birchin Lane, of which he became senior partner in 1789. He may well have been the outstanding personality of his day in the banking world and was regarded as the great consolidator of his bank’s position.
My friend Sir Richard Glyn has requested me to inform you that he has given up all thoughts of being a candidate for the City of London in case of Alderman Sawbridge’s death. He has instructed me likewise to acknowledge the obligations he feels for your good intentions towards him, and to say that he will with great pleasure support any candidate that you shall approve of in case of a vacancy.
In 1796 Glyn bought himself a seat at St. Ives on the interest of the banker William Praed, who had returned Glyn’s partner’s brother, William Mills, in the previous Parliament. A steadfast supporter of administration, he spoke in favour of the cavalry bill as a defence measure, 2 Nov. 1796; he opposed Fox’s motion for the repeal of the Seditious Meetings Act, 23 May 1797, referring to the ‘late seditious speeches and proceedings at Chalk Farm’ and elsewhere in justification, and voted with ministers on the loyalty loan, 1 June 1797, after his bank had subscribed £50,000 to it. He favoured the land tax sale bill and income tax, 30 May 1798, acting as government teller; was a member of the secret committee on sedition (as lord mayor) in 1799; and on 2 May 1800 expressed his satisfaction at the approaching union with Ireland, as being of mutual advantage. He had given evidence to the select committee on the Bank of England in 1797.
In 1802 Glyn was evidently disappointed in his hope of a seat, perhaps the same one,
