FIS

Fidelity National Information Services (FIS) is a global financial‑technology firm that delivers core banking platforms, payment processing, card‑issuing, risk‑management and capital‑markets software to banks, credit unions, merchants and other financial institutions. It operates primarily in the fintech sector, providing both on‑premise and cloud‑based solutions that support transaction processing, digital banking, fraud detection and wealth‑management services. FIS is among the world’s largest providers of processing services, holding market‑leading positions in core banking, card issuing and mortgage processing, and after acquiring Worldpay it became the biggest payments processor worldwide, serving thousands of clients across more than 60 countries.