London's initial finance? (7)
I believe the answer is:
capital
I believe this clue is a triple definition!
'london's' is the first definition.
(I've seen this before)
'initial' is the second definition.
(thesaurus)
'finance?' is the third definition.
(thesaurus)
(Other definitions for capital that I've seen before include "Kabul or Harare?" , "Finance - excellent!" , "It's excellent in the big city" , "A great city - that's fine" , "Metropolis" .)