Cerillion

25 Bedford Street, London, WC2E 9ES, United Kingdom , Greater London
4.0
238 Reviews
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Business Name: Cerillion plc

Business Headquarter: United Kingdom, London, White City/West End

Business Category: Telecoms Software & Cloud BSS/OSS Solutions

Cerillion plc (LSE: CER) is a leading provider of mission-critical billing, charging, and customer relationship management (CRM) software. Founded in 1999 following a management buyout from Logica, Cerillion has spent over 25 years helping Communications Service Providers (CSPs) worldwide transition to the digital economy. Our mission is to provide the most agile, pre-integrated BSS/OSS suite on the market, enabling operators to launch new services in weeks rather than months.

Our value proposition centers on "Product-at-the-Core"—a strategy that provides a single, high-performance software codebase for all customers, ensuring seamless upgrades and a low total cost of ownership. In 2026, Cerillion is leading the industry with its Generative AI BSS solutions, which automate complex order-to-cash workflows and provide "conversational intelligence" for customer support. With over 80 installations in 45 countries, Cerillion offers a unique blend of high-end enterprise functionality with the rapid deployment and flexibility of a SaaS model, serving diverse sectors including telecommunications, utilities, and financial services.

Business Helpdesk Number: +44 207 927 6000

Founder Name: Louis Hall (CEO) and Guy O'Connor

Founded Date: October 1999 (Incorporated as PLC: March 5, 2015)

Phone Number: +44 207 927 6000

Email Address: info@cerillion.com / company.secretary@cerillion.com

Website URL: https://www.cerillion.com

Physical Address: 25 Bedford Street, London, WC2E 9ES, United Kingdom

Landmark: Near Covent Garden / Strand

Service or Products: Enterprise BSS/OSS Suite, Convergent Charging System, CRM Plus, Revenue Manager (Billing & Taxation), Self-Service Portals, Managed Service & SaaS (Cerillion Skyline).

Amenities: 24/7 Global Support Helpdesk, W2 Innovation Labs (AI Development), Dedicated Account Management, Cloud/On-Premise Hybrid Deployment Options.

Accepted Payment Methods: B2B Bank Transfer, Institutional Finance, Trade Credit, Public Equity (LSE: CER).

Languages Supported: English, with localized UI support for international deployments.

Specialization: 5G Monetization, SaaS Subscription Billing, Real-time Charging, AI-Driven Customer Engagement, Digital Transformation for Tier-1 Telcos.

Certifications: ISO 9001 (Quality Management), ISO 27001 (Information Security), TM Forum Open API Conformance, Gartner Magic Quadrant Recognized.

Social Media Links: LinkedIn, Twitter/X, YouTube

Business Registration Number: 09472870

Brand Association Name: Cerillion, Cerillion Skyline, Cerillion Express.

Working Hours: Monday–Friday: 09:00 – 17:30 (Corporate); 24/7 Technical Support for Global Clients.

Year Founded: 1999

Service Area Radius: Global (Key operations in UK, India, and Bulgaria)

Brands: Cerillion Enterprise BSS/OSS Suite, Cerillion Skyline.

Number of Employees: ~370

Associations: TM Forum, GSMA, TechUK, AIM (London Stock Exchange).

FAQs

1. What is the "Evergreen" programme?
The Evergreen programme is Cerillion’s commitment to keeping customers on the latest software version. Because we use a single product codebase, customers can upgrade seamlessly to access new features—like the latest 2026 AI agents—without the cost of a full system replacement.

2. How fast can Cerillion deploy a new system?
We offer some of the fastest deployment times in the industry. Cerillion Express can be deployed in as little as 10 weeks for an end-to-end solution, while a basic Managed Service can be established in just three weeks.

3. Does Cerillion support 5G standalone networks?
Yes. Our Convergent Charging System is designed for 5G native environments, allowing operators to monetize low-latency services, network slicing, and massive IoT connectivity in real-time.

4. What industries do you serve besides Telecoms?
While telecoms is our core, our flexible billing and CRM software is used in the Utilities sector (smart cities), Financial Services (subscription management), and Healthcare providers requiring complex usage-based charging.

5. How has AI been integrated into the software for 2026?
As of late 2025/2026, we have introduced a suite of Generative AI agents and an MCP (Model Context Protocol) Server. This allows for conversational intelligence within the CRM, automated billing dispute resolution, and predictive maintenance for network services.

IMPORTANT NOTE: In early 2026, Cerillion announced its largest contract win to date—a £42.5 million transformation deal with Omantel. This milestone, combined with the launch of their AI-enhanced CRM suite in late 2025, has solidified Cerillion's reputation for helping Tier-1 and Tier-2 operators achieve radical digital transformation in record timeframes.

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Business summaryCerillion provides world-class BSS/OSS and billing software for telecoms and subscription businesses. Discover our AI-enhanced CRM and charging solutions.
Year of Establishment1999
AssociationsTM Forum, GSMA, TechUK, AIM (London Stock Exchange).

Support

Contact the official Cerillion Support Number for fast, reliable assistance in the Business Services industry. The Cerillion customer care team is available to handle inquiries. You can also access the Cerillion official website at www.cerillion.com for complete service details. For written queries, use the Cerillion support email. Located at 25 Bedford Street, London, WC2E 9ES, United Kingdom, London, Greater London United Kingdom.

Reach the Cerillion contact number to connect with verified experts in the Business Services sector. The Cerillion helpline offers quick resolutions and trusted guidance. You can also contact the Cerillion support team through official Cerillion email for professional assistance.