Only the administrative role can consolidate your domains using Transfer Between Accounts. Here are the steps:
1. Login to SELFCARE.
2. Go to Domains. Select Transfer Between Accounts.
3. Select domains from the list. You may select up to 10 domains.
4. Click Continue.
5. Enter the name and the existing email address / username for the new contact.
6. Review and tick the acknowledgement. Click Send Transfer Request.
7. The person from the other account needs to accept within 3 days.