Financial market infrastructure is the least glamorous and most essential part of the financial system — the exchanges, clearing houses, and settlement systems that make it possible for securities to be bought and sold with confidence that the transaction will actually complete. SIX Group was founded in Zurich in 2008 through the merger of the Swiss exchange and several financial infrastructure businesses, creating a combined entity that operates the Swiss Stock Exchange, provides payment infrastructure across Switzerland, and delivers financial information and banking services to financial institutions across Europe. Its payment infrastructure division operates the Swiss interbank payment system and card processing for the Swiss market — making it foundational to how money moves in one of Europe's wealthiest countries. SIX has also built a significant financial data and analytics business, competing with Bloomberg and Refinitiv for the institutional market data segment. The group acquired the Bolsas y Mercados Españoles exchange in 2020, giving it a pan-European exchange footprint that extended its reach well beyond Switzerland. For the European fintech ecosystem, SIX is infrastructure in the truest sense — the kind of company whose importance becomes visible mainly when something goes wrong.