Small and flexible doesn’t quite describe an IT company (9)

I believe the answer is:

microsoft

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'an it company' is the definition.
(I know that Microsoft is a technology company)

'small and flexible doesn't' is the wordplay.
'small' becomes 'micro' (similar in meaning).
'and' means one lot of letters go next to another.
'flexible doesn't' becomes 'soft' (I can't justify this - if you can you should believe this answer much more).
'micro'+'soft'='MICROSOFT'

'quite describe' is the link.
This may not be right. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

I've seen this clue in The Guardian.

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