Cerillion Plc provides software for billing, charging, and customer relationship management (CRM) to the telecommunications sector 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. It also provides enterprise product catalogue, a platform for managing all products, services, tariffs, and packages; network inventory, an integrated suite to complement and extend GE grid solutions; mediator plus, a mediation solution for all types of transactional systems; Business Insights, an embedded analytics platform for real time data; and customer management products. The company offers service manager, an order to cash telecom order management for convergent services; and interconnect manager, a wholesale margin for multi-play communications services providers. Its solutions are used for 5G monetisation, subscription management, digital transformation, Internet of things, critical communications, total convergence, network asset management, broadband and multi-play, cerillion express, cable services, and MVNE / MVNO solutions. Cerillion Plc was founded in 1999 and is headquartered in London, the United Kingdom.