To Create additional users on your account:
1) Login to your Cheaper Domains Client Area
2) Click on Details then on the menu on the left hand side click Manage Users
3) You can then invite a user by typing in their email address and sending an invite.
You can choose to give them full access, or specify what they can access on your account, depending on their needs.
4) The new user will be sent an email directly from our system, which includes an invite link.
Upon accepting the invite, the new user will be able to specify their own password and contact details.
Note: If you can't find an answer to your problem click Here to open a support ticket (requires log in).