FAQ: Just a reminder! It looks like you haven't submitted your corporate card expenses yet
If you have received this reminder in your Inbox or from Concierge it is likely that your company admin has assigned a company card to your account under your email address and that expenses on that card are accumulating on to reports. The reminders you're getting are to submit those reports.
You'll need to ensure your account email is validated and then you'll be able to submit the reports (which in turn will stop the emails you're receiving from being sent).