How do I give access to Google Tag Manager?

If you are working with an agency, for example, you might need to give access to your Google Tag Manager (GTM) account. 

To add users to a Google Tag Manager account:

1. Click Admin.
2. In the Account column, select User Management.
3. Select Add new users.
4. Enter one or more email addresses.
5. Set Account Permissions. ...
6. Optional: Set Container Permissions for each container that you would like the user to have access to.
7. Click Invite.