Thanks for reaching out to the Community forum, Omnimed.
Right now, the option to run a report showing the Sales Summary of each Customer compared against a Budget is unavailable in QuickBooks Desktop (QBDT). In the meantime, to have the report you need, you can export the Sales by Customer Summary and Budget report into an excel file. From there, combine them using an Excel file. For more guidance, check out this article: Export reports as Excel workbooks in QuickBooks Desktop.
I've also added this article for reference in case you want to learn how to customize reports in QuickBooks Desktop:
Please let me know if you have any follow-ups or other questions. I'm always here to help. Have a great day.
