We don't have actual corporate accounts for WeTransfer Plus. What we offer our Plus users is something slightly different; the option to add a default recipient email address to their Plus Profile. That will allow anyone you send to your Plus Profile to send 20GB to you and only you. Curious to find out more? Here's an explanation to get you started.
You're free to share the login details to your Plus account with others, but please note that everyone with your login details can access all sent transfers, addresses and settings, as we don't have separate admin options.