Transferring an App
You’ll need the team agent for the receiving organization to provide the team agent’s Apple ID and Team ID. Recipients can find their Team ID in their account at developer.apple.com.
The team agent is the only one who can transfer an app.
To initiate an app transfer
Make a record of app information you want to have after the transfer.
Because you won’t be able to view the app information after the transfer, make a catalog report (see Requesting Catalog Reports), note dates the app was available on the store (see Viewing Status History), and save sales and download information (see Viewing Sales and Trends).
Open the App Details page for the app, as described in Creating an iTunes Connect Record for an App.
In the App Information section under App Store, scroll to the Additional Information section and click Transfer App.