Hide from company and clean building (7)
I believe the answer is:
conceal
'hide' is the definition.
('conceal' can be a synonym of 'hide')
'company and clean building' is the wordplay.
'company' becomes 'co' (abbreviation).
'and' says to put letters next to each other.
'building' indicates an anagram.
'clean' with letters rearranged gives 'nceal'.
'co'+'nceal'='CONCEAL'
'from' is the link.
(Other definitions for conceal that I've seen before include "'Hide, keep secret (7)'" , "Place out of sight" , "hush up!" , "Screen" , "Keep out of sight" .)