Founded in 1997 and based in San Francisco, Calypso Technology offers software for trading, risk management, processing, and accounting. With over 35,000 users in 60+ countries, their solutions improve reliability, adaptability, and scalability in various verticals such as capital markets, investment management, central banking, clearing, treasury, liquidity, and collateral. The company combines expertise from financial centers in London, Paris, and New York with technical knowledge from Silicon Valley. In July 2021, Calypso Technology merged with AxiomSL to form Adenza.