Definition of "in-house"

MUTV, United’s in-house channel, was so confused by all the changes it announced before kick-off that Matic would be playing as a centre-half.

2018 August 27, Daniel Taylor, “Lucas Moura double for Spurs deepens gloom at Manchester United”, in The Guardian (London)‎

'My personal view is that the best way forward would be for Network Rail to build the junction with the main line as a conventional in-house project, while for the tunnels to the airport, NR would be best to act as client for a private sector builder' opines Ms Bagley.

2019 October, Ruth Bagley tells James Abbott, “Crunch time for Heathrow western link”, in Modern Railways, page 75

"We've also invested £500,000 in new machinery in the last two years, including the engraving machine, so that we can bring £250,000 worth of work in-house that we previously sub-contracted. That's great news for us as it means we have upskilled people and can offer more security of employment."

2020 May 6, Paul Stephen, “Britain's bravest thinks big”, in Rail, page 61