SumUp, the London-based payments startup, today launched the SumUp 3G Reader — a card terminal that lets merchants process payments without the need for a mobile app or a constant Wi-Fi connection.
UK-based SumUp, a global payments service provider, has secured a facility of 750 million euros from Goldman Sachs, Temasek, Bain Capital Credit, Crestline, and funds managed by Oaktree Capital ...