1) With the app go into the iZettle Pro 'Settings'.
2) Within here, select 'Printers'
3) Select the 'Receipts' tab located at the top of the screen
4) Within the receipts section there is the ability to download a company logo.
This logo can be uploaded to your account through the backoffice portal and then downloaded into the app.
5) Through entering header and footer information, this can be used to detail business address and the registered VAT number.