You are able to see the IBAN and BIC under your Account name:
Once you log in, click on Accounts tab
Under each Account you will be able to see BIC and IBAN details
All the SSI information associated with the Multi-currency account will be in the welcome email.
Please note: Corporate Accounts are linked to Individual Accounts:
Once logged in on your Individual Account, on the top right click on your name
You will be able see your Company name account, click on it and you will be able to switch to your Corporate Account.