Citigroup is a diversified financial services firm headquartered in New York. It operates through two segments: Global Consumer Banking (GCB), which serves retail customers with traditional banking, Citi-branded cards, and related retail services, and Institutional Clients Group (ICG), which provides wholesale banking products and services to corporate, institutional, public sector, and high-net-worth clients. The ICG arm covers fixed-income and equity sales and trading, foreign exchange, prime brokerage, derivatives, research, corporate lending, investment banking and advisory, private banking, cash management, trade finance, and securities services. Citigroup operates globally, serving clients across regions including the Americas, Europe, the Middle East and Africa, and Asia. The firm emphasizes sustainability and social responsibility as part of its strategy, aiming to promote economic progress through its financial services and outreach initiatives.