Yes, you can upgrade to an additional Pro account on top of a Standard account. This can only be done by written request confirming the account required, base currency, leverage and a reason for requiring the additional account. You can submit an upgrade request via the Client Portal or via email at firstname.lastname@example.org.
How do I open a live trading account?
How long does it take to open a trading account?
What is the main difference between Standard and Pro accounts?