Go to the Radius Home Page by clicking here and complete the following steps
Navigate to the top right corner of the home screen after logging into your user account.
Click on the email you are signed in as and select "Profile" from the drop down menu.
Clicking profile will navigate you to a different page where you have the option of selecting between your User account and your Company account. Select your Company account, and press "Update"
It will then start to draw credits from your Company Account.