Has anybody successfully set-up Sub-Customers under Parent Customers to report Parent/ Sub-Customer grouped A/R Aging reports?

When running the Accounts receivable aging reports, you'll want to customize the data to reflect transactions associated with the sub-customer under the parent customers in QuickBooks Online (QBO).

To begin, these are the steps:

1. Go to the Reports tab and enter Accounts receivable aging summary in the Search bar.
2. Click the Customize button.
3. In the Filter section, click the box beside customer and choose a specific customer that has existing sub-customer.
4. When you're ready, select the Run report button.

For seamless navigation, please see the image below.

In addition, explore this article to help you save your reports for future use in QBO: Customize reports in QuickBooks Online.

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