1. Activate Developer Mode.

2. Accounting --> Miscellaneous --> Journal Items

• Group by what you want (Company or Analytic Account):

• Save the grouping as a Favorite:

4. Accounting --> Configuration --> Management --> Financial Reports

•  Open the report where you want to use the Filter, and enter the one(s) you want available:

This gives you the following option on the Report:

And a Report that looks something like this: