SIX operates the infrastructure for the Swiss financial centre. The company provides services relating to securities transactions, the processing of financial information, payment transactions and is building a digital infrastructure. The company name SIX is an abbreviation and stands for Swiss Infrastructure and Exchange. SIX is internationally active, with its headquarters in Zurich. SIX is owned by around 130 national and international financial institutions, which are also the main users of its services. The company is not listed on the stock exchange.