[2] The line sailed from Port of Liverpool and several ports on the American and Canadian east coasts, namely Montreal, Quebec City, Halifax, Portland and Boston.

[3] From 1926 to 1992, the company was operated as a regional subsidiary of the United States Lines.

In 1992, Dominion Navigation Company Limited (as it had been renamed in 1991) demerged from the United States Lines which was ceasing all service operations.

Dominion Navigation Company has since been in private ownership, headquartered in Montserrat, British West Indies, incorporated as a private company limited by shares.

In addition to its presence in the West Indies, the company expanded its operations in Europe with bespoke luxury cruises on the French Riviera, Monaco and the Italian Riviera in 2017.