News agency since 1851 (7)

I believe the answer is:

reuters

'news agency since 1851' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for reuters that I've seen before include "International news agency" , "Noted news agency" , "up-to-date agency" .)

I've seen this clue in The Sunday Times and The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.