Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,815 pages of information and 230,107 images on early companies, their products and the people who designed and built them.
1801 Company founded.
1920 Private company. The first Qualcast mowers were made by Derwent Foundry of Derby
1928 Company made public. Qualcast Ltd was formed as a separate company.
1937 Ironfounders. "Qualcast" Grey Iron Castings. 
1938 Absorbed Follows and Bate of Manchester, makers of handmowers
1958 Acquired H. Kaufmann, Suffolk-based lawnmower maker
1961 Ironfounders and manufacturers of lawn mowers, kitchen furniture, lightweight tubular chairs, carpet sweepers, domestic appliances, pottery, jigs and tools and general engineering. 5,000 employees. 
1963 Motor Show exhibitor. Ferrous die castings. 
1982 Specialised in brake and tractor part product ranges.
1991 The Derby site was closed with all activities transferred to Stowmarket. Atco-Qualcast was formed but the famous brand names were protected.