In 1917 , William Campbell Ltd , coal and coke merchant and shipping agent in Port Glasgow, Inverclyde Scotland, was incorporated as a limited liability company to acquire the business and assets of William Campbell. William Campbell was appointed chairman and managing director of the firm, with his son, Hugh Campbell, as a director and Robert Fyfe as secretary. The company continued to trade but was wound-up in 1947 . In the same year, a new company, William Campbell (Port Glasgow) Ltd, was incorporated as a coal merchants in Port Glasgow, purchasing wagons and other assets from the former William Campbell Ltd. At some point prior to 1966 , the company became a subsidiary of Ross & Marshall Ltd , shipowners, Greenock, Inverclyde, who themselves were a subsidiary of the Clyde Shipping Co Ltd , shipowners, Glasgow, Scotland. In 1975 , the company became a wholly owned subsidiary of Glenlight Shipping Ltd , ship managers, Glasgow, who were also a subsidiary of the Clyde Shipping Co Ltd. In 1990 , William Campbell (Port Glasgow) Ltd was dissolved.
From the guide to the Records of William Campbell (Port Glasgow) Ltd, coal and coke merchant and shipping agent, Port Glasgow, Inverclyde, Scotland, 1887-1981, (Glasgow University Archive Services)
