see Batemans Buildings in London Addresses dataset
William Markham 4 Batemans Buildings ratebooks 1783 / Morning Herald 27.3.1784 William Markham has moved to 4 Batemans Buildings / General Advertiser 6.12.1785 / World 20.10.1787 and 16 more ads in World up to 4.11.1790 all for sale of commissions &c