Online Payment Platform (OPP) is a payment service provider focusing on facilitating payments for platforms and marketplaces. More than 150 platforms and millions of merchants across Europe use OPP’s services, processing billions in transaction volume. The head office in Delft has more than 50 employees, and OPP also has branches in Antwerp, Berlin and London. Online Payment Platform is part of the Worldline Group. www.onlinepaymentplatform.com View registration