How to cancel Google Apps for Work
To cancel online, log in to your account at: https://apps.google.com/
1.) After having logged in to your Google account, go to Billing.
2.) Next to your Google Apps subscription, click More Settings and choose Cancel subscription.
3.) On the following page, you’ll see additional information, depending on your billing plan. Review this information before deleting the subscription.
Closeout charge: If you’re on the Annual Plan, we display a calculation of your closeout charge. This is the value of the remainder of your annual contract. As per the terms of the Annual Plan, you’re responsible for paying the full amount of your annual contract, even if you cancel your subscription before the contract is over.
4.) If you’re not using your domain with any other Google services, delete your domain’s Google Account. You must also do this to reuse your domain with another Google Account.