Linking another Revolut Business account can only be done from the web interface:
- Click on your account name on the upper left corner to open Settings
- Click on your name again - here you are able to switch or add other Revolut Business accounts
- Select Add
- Then Link another account to enter the email address and password for your other account that you wish to link.
Once the verification is finished, the link is set up. You can also select Register a new business to start a new application for another company.