Thank you for your query.
Here all available options
when running tests from the command line. You could automatically export the results in html and xml which you could then include in an aggregate report as per your requirements. These are available from last year in Test Studio release 2016 R3.
On the other hand I would like to inform you that with release 2017 R1 we have introduced the improved Reports section
which you might also find useful.
In case you would need any further assistance do not hesitate to contact us again! Thanks!