The story
Founded by Sir John Benn, 1st Baronet in 1880, in London.1
Ernest Benn Ltd, along with Benn Brothers plc and the other members of the Benn Group of Companies, was taken over by the Extel Group in June 1983. Extel was taken over by United Newspapers in 1987.
From Wikipedia’s article on Ernest Benn Limited, shared under CC BY-SA 4.0.3