Klarna klarna.com 4 ratings Add rating Rate your shopping experience with Klarna: Klarna is a major payment processing store that markets products and services at klarna.com. Klarna competes with other top payment processing stores such as PayPal, Square and Remitly. Klarna sells mid-range purchase size items on its own website and partner sites in the highly competitive online payment processing industry. When it comes to offering discount codes, Klarna very rarely issues promotional discount codes. Klarna is a highly sought-after brands when it comes to discount codes and promotional deals, with thousands of consumer web searches for Klarna codes and deals each month. MoneyBusinessAdministrative ServicesPayment Processing