What is the bind?
If you're not entirely sure what the Android Enterprise bind is, check out this FAQ.
If you need to unbind from your existing EMM, whether to -
Or any other perfectly valid reason, the steps to follow are straightforward.
Be aware before you delete the bind, that it is not reversible. All devices will be unenrolled, all private applications will be inaccessible, and all data associated with the old enterprise will not be recoverable!
This is a permanent action.
Via your EMM
In the first instance, the simplest course of action is to unbind through your EMM. Here are some current links to this:
Feel free to submit a PR with additional EMM articles!
Some platforms don't support removing the bind through EMM administrative settings. Some platforms, like SOTI, only unbind and don't delete the enterprise ID. This is useful for future rebinding if platforms support it, but otherwise it's another step in the process an organisation is forced to take to fully delete the bind.
Via Google Play admin settings
If the EMM platform doesn't support deleting the bind, or if you no longer have access to the EMM to do so, you can head to Google Play Enterprise admin settings to do so:
Here's a handy GIF that runs through it:
As indicated, the enterprise cannot be deleted with multiple admins present, so if you need to delete it, remove existing admins first.
With the bind removed, you're now ready to re-use the account to create a new bind with your existing or alternative EMM provider.