CSG Systems International is a SaaS platform company that helps businesses manage customer engagement, billing, monetization, and payments across recurring-revenue relationships. Its software is used by communications providers and a growing set of enterprises in retail, healthcare, financial services, insurance, and government to simplify how customers buy, use, and pay for services. The company’s core value proposition is to orchestrate complex customer interactions at scale, with billions of transactions processed annually. CSG has also been expanding beyond its traditional communications-service-provider base into higher-growth verticals and broader digital commerce use cases.