Financial technology (fintech) companies are vital in today's world, providing essential services that require scaling efficiently, reliably, and globally. Nubank, a digital bank originating in Brazil, leveraged CockroachDB to automate scaling and simplify operations, enabling rapid growth into multiple countries. Form3, a UK-based payment platform, addressed reliability concerns by implementing a multi-cloud strategy with CockroachDB to ensure continuous service even if a cloud provider experiences downtime. Pismo, operating in Brazil and the UK, needed a solution for global data compliance and achieved this by deploying CockroachDB Dedicated on Kubernetes, allowing for horizontal scalability and control over data locality. These examples highlight the critical role of CockroachDB in enabling fintech companies to handle enormous transaction volumes while maintaining compliance with regional data regulations, ensuring dependable service amidst increasing consumer reliance on digital financial services.