To create a Billing Account and to link Company to it, you must be an Admin user on the company account. By default, the person who created a Company account is an Admin user.

To create a new Billing Account:

1. Sign in to Envoice.
2. Click Settings, then click Subscription.
3. Click Billing and then Manage billing accounts

If you already have a Billing Account(s), you will see a list of your Billing Accounts.

4. Click on the button, Add new
5. Fill requested billing information, Card details and Save 

To modify a Billing Account:

1. Sign in to Envoice. 
2. Click Settings, then click Subscription
3. Click Billing and then Manage billing accounts

If you already have a Billing Account(s), you will see a list of your Billing Accounts. 

4. Select Billing Account and click View

On the Billing Account administration page, you can modify all Billing related information