At Cellusys, we empower mobile operators to generate more revenue, secure their networks, and make their subscribers’ experiences better. We design and build technology that gives operators clear insights and comprehensive control over their signalling, with a focus on security, roaming, and analytics applications. Our technology serves more than 450 million subscribers worldwide. In independent research we’re rated a top innovator, and a Tier 1 vendor in all product categories, including that of our SMS Firewall. (Rocco Innovator Report, 2017)