In 1899, the Eastern Telegraph Company arrived on Ascension and gradually the British started to build up a cable and wireless station on the island. Though the British Navy had initially administered Ascension, the Eastern Telegraph Company - which was later renamed Cable and Wireless in 1934 - assumed all such duties until 1964.
,,,
Eastern Submarine Telegraph Co, of Electra House, Moorgate, London, EC2
1872 The company was created by John Pender through the amalgamation and reorganisation of several companies:
Mediterranean Extension Telegraph Co
Malta and Alexandria Telegraph Co
Anglo-Mediterranean Telegraph Co
Falmouth, Gibraltar and Malta Telegraph Co
British-Indian Submarine Telegraph Co
Marseilles, Algiers and Malta Telegraph Co
with the Eastern Telegraph Co
The new company became known as the Eastern Telegraph Co (ETC); it was to become the largest cable operating company in the world.
At its peak it operated 160,000 nautical miles (nm) of cables. John Pender bacame Chairman of the company on its formation and remained as such until he died in 1896. The General Manager of the company was Sir James Anderson, who had captained the Great Eastern on its Atlantic cable voyages. The company then began to increase its links by duplicating cables over the busiest routes such as the Porthcurno-Carcavelos-Gibraltar.
Almost all its cables were manufactured and laid by the Telegraph Construction and Maintenance Co (Telcon).
Moar: https://www.gracesguide.co.uk/Eastern_Telegraph_Co