Counterpart in another organisation (4)

I believe the answer is:

oppo

(Other definitions for oppo that I've seen before include "Mate" , "Counterpart; rival" , "Opposite number (colloq.)" , "Colleague, friend (colloq.)" , "China" .)

I've seen this clue in 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.