sub ‧ con ‧ tract /ˌsʌbkənˈtrækt $ -ˈkɑːntrækt/ BrE AmE ( also subcontract out ) verb [transitive]
if a company subcontracts work, they pay other people to do part of their work for them:
We will be subcontracting most of the electrical work.
subcontract something to somebody
Some of the work will be subcontracted to another company.
—subcontract /sʌbˈkɒntrækt $ -ˈkɑːn-/ noun [countable]