CELLUSYS LIMITED

Cellusys Limited is a global provider of mobile-network solutions, serving more than one billion subscribers across 100 networks worldwide. The company designs and delivers systems that make mobile operators' networks more secure, intelligent and profitable, with a particular focus on roaming, signalling security and data-analytics.

Its flagship offerings include a market-leading Roaming platform - featuring Steering of Roaming, SMS outreach and multi-tenant control for groups, IPX providers and hubs - and the award-winning Unified Signalling Firewall, which protects SS7, Diameter, GTP and SIP traffic against malicious attacks. Cellusys also provides end-to-end Insight analytics, real-time fraud-prevention tools and managed services for security and A2P monetisation, helping operators to analyse traffic, anticipate business needs and generate new revenue streams from SMS and data.

Renowned for technical excellence, value and customer service, Cellusys works with mobile operators, IoT service providers and core-network teams to improve VoLTE roaming quality, ready networks for 5G and enable monetisation of IoT traffic, delivering measurable benefits across the entire telecommunications ecosystem.