“SumUp’s payment card acceptance platform helps the millions of small businesses that are missing out on customers because they cannot accept card payments. Traditional card terminals are expensive, with high monthly fees and long contract durations. SumUp’s payment dongle offers an easy way for small businesses and sole traders to accept card payments securely, even on-the-go. 

Using only a portable card reader and an iOS and Android app, merchants can accept card payments on their mobile device, with a transparent fee of only 2.75% per transaction.”