Change the owner of the account by changing personal data (replacing the full name of one person with the full name of another or the name and details of one company with the data of another company) impossible.
You can only change the owner of the services in the account. For this you need:
After that, the services will belong to the new owner and their renewal will be performed through his account. It should be borne in mind that only services are transferred (their content, settings and payment terms are not affected during the transfer, only the owner changes).
Also possible transferring loyalty program status to another account.
Everything else that relates directly to the account, and not to specific services (for example, funds for personal balancetied referrals), not getting through.