How do I create an invoice? You can create an invoice by following these steps: Open the Countingup app Navigate to the 'Accounting' tab at the bottom Tap 'Sales invoices' Tap the 'Plus' symbol Related articles How do I match a payment to an invoice? Fees - What does Countingup charge for? Start accepting card payments today with SumUp Can I cancel an invoice? How do I change my accounting period?