Go-between, tidy earner, I’m excited (12)

I believe the answer is:

intermediary

'go-between' is the definition.
('intermediary' can be a synonym of 'go-between')

'tidy earner i'm excited' is the wordplay.
'excited' indicates an anagram.
'tidy'+'earner'+'im'='tidyearnerim'
'tidyearnerim' anagrammed gives 'INTERMEDIARY'.

(Other definitions for intermediary that I've seen before include "Go-between" , "Agent" , "Negotiator" .)

I've seen this clue in The Times.

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