Walker and Co (of Sheffield)
of Sheffield
c.1840 George Walker, a Sheffield cutler, and Dr. Wright, a surgeon of Attercliffe, worked out the process of electroplating and formed a business together, presumably Walker and Co (of Sheffield)
1843 Henry Hall was a Worcester solicitor and a man of business. When electroplating was invented in 1843 (sic), Walker, financed by Hall, set up the first plant in Sheffield, their formal partnership dating from 1845.
1845 Walker and Hall company was founded at the same address.