Crossword Genius

Controlling business, what good person's doing for Scot? (7,7)

Ross

I believe the answer is:

holding company

I'm a little stuck... Click here to teach me more about this clue!

'good person's doing for scot?' is the definition.
I can't tell whether this defines the answer.

'controlling business' is the wordplay.
'controlling' becomes 'holding' (holding is a kind of controlling).
'business' becomes 'company' (company is a kind of business).
'holding'+'company'='HOLDING COMPANY'

'what' is the link.

Can you help me to learn more?

(Other definitions for holding company that I've seen before include "Big business" , "One takes stock of various concerns" , "Share-owning organisation" , "Shares concern" .)

I've seen this clue in The Times.
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