Yes! Multiple accounts (multiple FI IBANs) are now available for Holvi Associations in addition to the 2 IBANs included in your plan.
They are available as add-ons, at a cost of €1 / month per account. You can have a maximum of 10 additional accounts.
How do I open an additional account?
From the Holvi home screen: Quick actions menu > New payment account
On the Accounts page: Add account