Bosanquet and Co.:
1770-1780: Bowles, Beachcroft and Reeves formed between 1770 and 1780
By 1796: Bowles, Beachcroft, Brown, Reeves, Collins and Co. of 18, Exchange Alley, Cornhill.
c. 1800: Samuel Bosanquet, until then a partner with Messrs. Foster, Lubbock and Co., left that firm and entered into partnership with Beachcroft and Reeves, formerly partners in Bowles, Beachcroft and Co.
1801: appear as Bosanquet, Beachcroft and Reeves, at No. 73, Lombard Street.
1801: separate firm of Messrs. Bowles, Brown, Ogden, Cobb and Co., from which Beachcroft and Reeves seceded, underwent another change that year:
1801: Messrs. Bowles, Brown [Browne], Ogden, Cobb and Stokes at 67, Lombard Street
1802: another dissolution: Bowles and Ogden left the firm to start a fresh concern: Messrs. Bowles, Brickwood, Ogden and Wyndham at 11, Lombard Street. (In 1808 this became Messrs. Brickwood, Morgan and Starkey, who ceased to exist after 1810.)
Browne, Cobb and Stokes continued the business in the same premises, i.e., 67, Lombard Street, and afterwards in No. 66, until 1816; after which date they cannot be further traced.
1810: firm of Bosanquet, Beachcroft and Reeves became Bosanquet, Beachcroft, Pitt and Anderdon.
1817: became Bosanquet, Pitt, Anderdon and Franks.
1822: James Whatman Bosanquet joined the firm.
1843: Samuel Bosanquet died
1845: William Godfrey Whatman joined the firm, and shortly afterwards Mr. John Harman.
1867: Mr. Franks retired; the firm amalgamated with the old Staffordshire Bank of Messrs. Stevenson, Salt and Co., and the style became Bosanquet, Salt, Whatman, Harman, Salt and Bosanquet. [NB London Gazette 22928 10/1/1865 p. 145 indicates Franks retired in January 1865]
Stevenson, Salt and Co. estab. by Mr. William Stevenson at 85, Queen Street, Cheapside, in 1788 ; and about 1799 he moved to 80, Lombard Street. From 1801 to 1818 they were known as Messrs. Stevenson and Salt, when they moved to No. 20, Lombard Street. In 1839 the firm became Stevenson, Salt and Sons; and on the 1st June, 1867, they amalgamated with Messrs. Bosanquet and Co.
For more on Stevenson, Salt and Sons see Price.
The firm’s partners at 1870 were James Whatman Bosanquet, Thomas Salt MP, John Harman, John Charles Salt, Bernard Tindal Bosanquet and George Dunbar Whatman.