In 1907 the family proprietorship, William Britain & Sons incorporated as Britains, Ltd. The Britain family controlled the firm until 1984 when it was sold to a British conglomerate, Dobson Park Industries. They combined the operations with an existing line of toys and renamed the company Britains Petite, Ltd. During the first half of the 20th century Britains expanded its range and market. By 1931 the firm employed 450 at its London factory. The catalog had expanded to 435 sets and twenty million models a year were being produced.