in-house — existing or occurring within a company or organization rather than outside it

a company manager points toward her own employees working at desks inside the office building while gesturing away from external contractors visible through the window. The internal team collaborates closely on projects using company computers and resources. Meanwhile, the external contractors work separately at a different location with their own equipment. The manager clearly chooses to keep the important project with her internal staff rather than sending it outside. Other employees nod in agreement as they gather around their colleague's workstation. work being handled within the company rather than being sent to outside organizations