- CEO
- Louis Tancred Hall
- Full Time Employees
- 367
- Sector
- Technology services
- Industry
- Packaged software
- Address
- 25 Bedford Street London LO United Kingdom WC2E 9ES
- IPO Date
- Mar 18, 2016
- Business
- Cerillion Plc develops and provides billing, charging, customer relationship management (CRM), and business support systems (BSS)/operations support systems (OSS) software solutions primarily to telecommunications service providers worldwide. The company offers a pre-integrated, GenAI-powered BSS/OSS suite including convergent charging systems; CRM Plus for customer management; dealer portals; interconnect managers; revenue management; service provisioning; mediation; and related managed, implementation, support, maintenance, and software-as-a-service (SaaS) offerings, supporting complex business models such as B2B, B2C, B2B2X, wholesale, retail, quad-play, and multi-country operations across telecoms, utilities, finance, media, healthcare, and digital services sectors. Founded in 1999 through a management buyout from Logica and headquartered in London, United Kingdom, Cerillion operates globally with offices in Europe, India, and other regions, serving approximately 70 customer installations. Recent developments include major contract wins such as a £25.3m five-year agreement with an existing European customer to onboard a newly acquired tier-1 mobile base and extend support services, and an $11.4m (£8.5m) deal with new customer Ucom in Armenia; completion of implementations for Virgin Media in Ireland and Paratus in Southern Africa; the launch of Cerillion 25.2 in October 2025 featuring a new Model Context Protocol server and AI agents; record order intake of £47.6m and pipeline of £275m for the year ended 30 September 2025; and recognition as a Major Player in the IDC MarketScape for Worldwide CX Platforms and in Gartner’s Magic Quadrant for AI in CSP operations.