The business was established in 1891 by Clift Alexander Mawer Clark at 138 Fenchurch Street, London. Manufacturing premises were opened in 1894 at 29 Market Place, Oxford Street. In 1900, the firm was active at Welbeck Works, Randall Street, Sheffield, transferring its activity to James Street Works, St. Paul's, Birmingham, in 1918. The firm was also active at 29 Market Place, London (1894-1910), 188 Oxford Street, London (1900-1915), 125-126 Fernchurch Street, London (1909-1918), 38-40 Mitre Street, Aldgate, London (1921), 17 Sycamore Street, Sheffield (1921) and 38 Leadenhall Street, London (1941). The partners were C.A.M. Clark, Louis Vernon Clark, Robert Fead Mosley and Robert Frederick Mosley (of R.F. Mosley & Co Ltd). The firm was converted in 1912 to a limited liability company under the style of the Alexander Clark Co Ltd. In 1912, the firm advertised its reproduction of silver historical pieces as the Tudor Bowl (period Henry VIII), the Tudor Cup, Antique Jug found on the excavations at Pompeii, Mediaeval Beaker (Henry VII, 1496). In 1914, the Alexander Clark Manufacturing Co Ltd had 620 employees in the activities of silversmiths, cutlers, precious stone mounters and dressing bag manufacturers. It specialised in the production of silver, "Welbeck Silver Plate" and electroplate, cutlery, fitted dressing cases and bags, high-class leather goods.