I've found out a bit more since I posted last year. Their name was Grey/Greey (2 Es in 1911 census) Founder Edward Greey died at his home Hopwood Grove , Alvechurch in 1925 and the business continued to be run by his 4 sons - Edward Albert, Horace, Arthur and Frederick. There were also 3 daughters Annie, Eliza and Mary. My great aunt mentioned another family member - a Charles Grey who lived in Barnt Green in the 1930's, who is apparently a direct relative of ours. I can't find him on any of the records. Has anyone else heard of him?