SeeĀ https://community.intuit.com/articles/1145150-creating-a-new-company-or-multiple-companies-us-only

I believe the still given 10% discount on each additional subscription.

Resolution for 'account discount issue: 'I need to add other companies and would like to bundle the fees or get a multiple account discount.' available: Yes.

The account discount issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the account discount issue yourself by looking for a resolution described in the article. If it is a complex account discount issue or you are unable to solve the issue, you may contact us by clicking here or by using other account discount support options.

For more information about resolving issues related to account discount in Quickbooks/QBO or to get support for the issue 'I need to add other companies and would like to bundle the fees or get a multiple account discount.', click the link below: