Contacted by collections agency
If your payment for Google Cloud subscription isn't received in full by the due date, Google might work with an external collections agency.
This agency might:
Send you a combination of letters and emails that request payment on behalf of Google.
Ask you to sign in to your Google Cloud account and make the payment online using the forms of payment available to you.
To make your payment and avoid suspension or to lift a suspension and resume service, see Make a manual payment.
Still need help? Contact G Suite Support.