Cerillion Plc provides software for billing, charging, and customer relationship management (CRM) to the telecommunications sector in the United Kingdom, Europe, the Middle East, the Americas, and the Asia Pacific. It operates through three segments: Software, Services, and Third-Party. The company offers Cerillion Unify, a pre-packaged SaaS solution for quad-play CSPs; Cerillion Enterprise, a BSS/OSS solution for B2B telcos; Cerillion Engage, a streamlined BSS/OSS solution for digital brands; Cerillion Skyline, SaaS solution for subscription businesses; and Cerillion Metro BSS/OSS solution for smart cities. It also provides convergent charging systems, a 3GPP complaint convergent charging and policy management system for online and offline services; Enterprise Product Catalogue, an AI platform for building, launching, and managing various products, services, tariffs, and packages; CRM Plus, an omni-channel CRM solution; and Revenue Manager, a billing and revenue management solution. In addition, the company offers Self Service, a configurable off-the-shelf application that enables self-service account management and e-commerce sales from various browser; Service Manager, an order management and service fulfilment solution; Output Streamer, a document fulfilment tool; Interconnect Manager, an interconnect billing and settlement solution; mobile apps; Business Insights, an AI-powered embedded analytics platform; Dealer Portal, a streamlined web application; Network Inventory, an integrated suite for software products; Mediator Plus, an online and offline mediation solutions; and Integration Layer, a suite that accelerate integration and open up BSS/OSS capabilities to ecosystem partners. Further, it provides managed, implementation, and support and maintenance services. Cerillion Plc was founded in 1999 and is headquartered in London, the United Kingdom.