Innovative Solutions for Payment Transactions. The payments industry is changing. The Billing and Payments ecosystem from SIX has steadily established itself as a center of excellence for fast, reliable and secure payment solutions for the Swiss financial center. It aims to comprehensively cover the market's many different user groups and needs. It focuses on achieving maximum security, user friendliness and convenience – while requiring minimal investment from banks, invoicers and software partners. SIX generates synergies and economies of scale by bundling and standardizing payments infrastructure. In the process, we create an infrastructure for efficient, sustainable processes between financial institutions, service providers and consumers.