Small companies get ready to indulge (6)

I believe the answer is:

cosset

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

'indulge' is the definition.
(I know that indulge can be written as cosset)

'small companies get ready to' is the wordplay.
'small companies' becomes 'cos' (I've seen this in other clues. I am not sure about the 'small' bit.).
'get' says to put letters next to each other.
'ready to' becomes 'set' (synonyms).
'cos'+'set'='COSSET'

Can you help me to learn more?

(Other definitions for cosset that I've seen before include "Protect overindulgently" , "Pamper and spoil" , "Fondle" , "Care for and protect" , "Nanny" .)

I've seen this clue in The Globe and Mail.

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