I know just the report that will work for you! Let's check out the Expenses by Vendor Summary Report in QuickBooks Online. This report shows your company's net expenses with each vendor. Here's how:
From your QuickBooks Online account, navigate to the Reports tab.
Type Vendor in the search bar, and select Expenses by Vendor Summary Report from the pane that appears below.
Set the Report period to This Year-to-date, and click Run report.