Yes, the reporting can be combined, but it'll require using external tools or software, HoganTP. I'll provide more details about this below.
Combining reports for a parent company using QuickBooks US and a subsidiary using QuickBooks UK isn't feasible due to software and currency variations. Yet, you can export reports from both entities and integrate them using third-party tools.
Also, you may want to consider printing hard copies of your reports for future reference. For the complete guide on how to do this, please see this article: Run reports in QuickBooks Online.
Don't hesitate to post again if you have other concerns or need more help managing your QuickBooks data. I'm always around to supply the information you need.