Welcome to the Community!
I'm sorry you won't be able to respond directly to this post - we've made some improvements to the PayPal Community Help Forums, and as part of the upgrade, all existing posts were Archived and locked. The new boards and the new Community are accessible here.
A Business account can only have one registered business name on file, although it can accept payments from any number of websites and through as many as 8 different email addresses (if Verified; 4 if not). Premier accounts have the same ability, but they don't have a business name associated with them - only your own personal name.
Thanks,
Adrian
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