Zettle is a payment processor that allows businesses to accept card payments using mobile card readers and point-of-sale apps. If you see a charge from Zettle on your bank statement, it means that you made a payment to a business that uses Zettles point-of-sale system. Zettle processes payments securely using chip and PIN technology to minimize the risk of fraud. On your bank statement, the transaction will be shown as "Zettle *. If you have any concerns about a transaction on your bank statement, you should contact your bank for assistance.