Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,138 pages of information and 233,396 images on early companies, their products and the people who designed and built them.
1876 A joint mail contract with the Union Steam Collier Co was granted by the Colonial Government with the proviso that the two companies did not amalgamate.
At some point the name of Union Steam Collier Co was changed to Union Steamship Co
1881 15 July: the Castle Mail Packets Co was registered
1899 The South African contract expired; after much political manoeuvering, the Union and Castle Line companies merged to become the Union-Castle Mail Steamship Co and received the new mail contract.