in-house
US /ˌɪnˈhaʊs/
UK /ˌɪnˈhaʊs/

1.
within an organization or company, rather than by an outside contractor or consultant
:
•
The company decided to handle all marketing in-house.
•
They have an in-house legal team.
1.
within an organization or company
:
•
All design work is done in-house.
•
We prefer to develop our software in-house.