Stefan Jeschonnek

Zeitgold GmbH is a holding company, which engages in the development and marketing of applications software. It provides accounting, payroll, invoices, and outstanding payments services. The company was founded by Stefan Jeschonnek, Jan Deepen, and Kobi Eldar in 2015 and is headquartered in Berlin, Germany.

SumUp Payments Ltd. develops point-of-sale mobile payment solutions. It develops end-to-end payment platform to cover the entire payment process through card terminals, android, and ios mobile application. The firm’s products include SumUp Lite and Plus. The company was founded by Stefan Jeschonnek, Petter Made, Marc Alexander Christ, Jan Deepen and Daniel Klein in August 2012 and is headquartered in London, the United Kingdom.

SumUp Ltd. provides mobile payment solutions through debit and credit cards. It is the easiest way for small businesses and sole traders to accept credit and debit card payments securely, even on-the-go. The firm with its solution allows merchants accept credit and debit cards using their smart phones or tablets. Its mobile card acceptance solution is built on proprietary end-to-end EMV payment gateway technology, terminal hardware and mobile applications. The company was founded by Marc-Alexander Christ, Jan Deepen, Stefan Jeschonnek, Petter Made and Daniel Klein in August 2011 and is headquartered in Dublin, Ireland.