Find your customer ID

When you signed up for Google Workspace or Cloud Identity, your account is assigned a unique customer ID. You can look up this ID in your Admin console. 

1. Sign in to your Google Admin console.

   Sign in using your administrator account (does not end in @gmail.com).

2. In the Admin console, go to Menu  AccountAccount settingsProfile.
3. Next to Customer ID, find your organization's unique ID.