Cerillion Plc provides software for billing, charging, and customer relationship management (CRM) to the telecommunications, finance, utilities, and transportation sectors in the United Kingdom and internationally. It operates through four segments: Services, Software, Software-as-a-Service (SaaS), and Third-Party. The company offers Cerillion Enterprise BSS/OSS Suite, a pre-integrated end-to-end CRM and billing solution for mobile, fixed, cable, and multi-service communications providers; and Cerillion Skyline, a cloud billing SaaS application for the next generation of subscription and usage-based services. Its solutions are used for subscription management, digital transformation, Internet of Things, critical communications, General Data Protection Regulation compliance, total convergence, network asset management, mobile virtual network enablers (MVNE)/MVNO, CRM and billing, cable services, and broadband and multi-play. The company also offers software licenses, and related support and maintenance services. Cerillion Plc was founded in 1999 and is headquartered in London, the United Kingdom.