The Belfast Steamship Company provided shipping services between Belfast in Ireland (later Northern Ireland) and Liverpool in England from 1852 to 1975.

They began a steam ship service from Belfast to Liverpool.

[2] Vessels introduced were as follows:[citation needed] About 1830 the Dublin Steam Packet Company began a weekly service in competition.

[citation needed] On 31 January 1852 the Liverpool and Belfast Steam Packet Company was registered as The Belfast Steamship Company Ltd.[citation needed] In 1859, it expanded and absorbed the Cork Steamship Company and in 1866 it absorbed the Londonderry Steamboat Company.

[citation needed] It was absorbed into Coast Lines in 1919 as a subsidiary company, which was subsequently absorbed into P&O Ferries in 1975.