Nathaniel Smith & Co manufactured table cutlery, as well as goods in Sterling silver and Old Sheffield Plate. The firm's silver sponsor's mark was registered at Sheffield Assay Office in 1780. Its Old Sheffield Plate mark, a hand, was registered in 1784.

Nathaniel Smith & Co is generally known for the manufacture of high quality domestic metalwork such as candlesticks, cruet sets and objects for making and serving hot drinks.