Company profile
Cellusys
Roaming | Security | Analytics - Flexible signalling software and solutions to help CSPs make better decisions - faster.
- Industry
- Telecommunications
- Employees
- 148
- Headquarters
- Dublin, County Dublin
- Founded
- 2004
- LinkedIn followers
- 7,539
- Office locations
- 6
Cellusys company summary
Cellusys is a company in the Telecommunications industry, headquartered in Dublin, County Dublin, founded in 2004. On LinkedIn the company has around 148 employees and 7,539 followers. The company lists 6 office locations. Its listed specialties include Telecommunication, Software, Steering of Roaming, Signalling Firewall, SMS Firewall.
What technology does Cellusys use?
No technologies detected yet. Warmrank rechecks company websites on a rolling basis.
About Cellusys
At Cellusys, we empower mobile operators to grow revenue, secure their networks, and enhance subscriber experience. Our technology gives operators clear insights and comprehensive control over signalling, with a focus on roaming, security, IoT, and analytics. Our products are consistently rated #1 year after year across Signalling Firewall, Steering of Roaming, SMS Firewall, and Voice Firewall — a distinction no other vendor has achieved. Since our inception in 2005, when we brought together a team with a depth of expertise in signalling, technology, and IP not seen elsewhere, we have continually led the way — in deploying Diameter-ready Steering of Roaming and Signalling Firewall systems, advancing event-driven steering, and supporting multi-generation mobile networks from 2G to 5G. Today, our solutions serve more than 1.35 billion subscribers worldwide. Driven by innovation, customer collaboration, and a readiness to rethink how things should be done, we remain the commercial and common-sense choice for mobile network operators.
Specialties
Where is Cellusys located?
Cellusys lists 6 office locations.
Compare companies similar to Cellusys
More companies in Telecommunications.
| Company | Industry | Employees | Founded | Headquarters |
|---|---|---|---|---|
Cellusys cellusys.com | Telecommunications | 148 | 2004 | Dublin, County Dublin |
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 Ericsson ericsson.com | Telecommunications | 107,360 | 1876 | Kista, Stockholm, SE |
 Nokia nokia.com | Telecommunications | 101,274 | - | Espoo, Southern Finland |
 airtel airtel.com | Telecommunications | 100,086 | - | Gurgaon, Haryana |
 Jio jio.com | Telecommunications | 100,232 | 2010 | Navi Mumbai, Maharashtra |
 AT&T att.com | Telecommunications | 194,600 | - | Dallas, TX |
 Vivo (Telefônica Brasil) vivo.com.br | Telecommunications | 40,850 | 1998 | São Paulo, SP |
 stc stc.com.sa | Telecommunications | 18,282 | 1998 | Riyadh, Riyadh |
 Orange orange.com | Telecommunications | 147,006 | - | Issy-les-Moulineaux, Île-de-France |
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Frequently asked questions about Cellusys
What does Cellusys do?
At Cellusys, we empower mobile operators to grow revenue, secure their networks, and enhance subscriber experience. Our technology gives operators clear insights and comprehensive control over signalling, with a focus on roaming, security, IoT, and analytics. Our products are consistently rated #1 year after year across Signalling Firewall, Steering of Roaming, SMS Firewall, and Voice Firewall — a distinction no other vendor has achieved. Since our inception in 2005, when we brought together a team with a depth of expertise in signalling, technology, and IP not seen elsewhere, we have continually led the way — in deploying Diameter-ready Steering of Roaming and Signalling Firewall systems, advancing event-driven steering, and supporting multi-generation mobile networks from 2G to 5G. Today, our solutions serve more than 1.35 billion subscribers worldwide. Driven by innovation, customer collaboration, and a readiness to rethink how things should be done, we remain the commercial and common-sense choice for mobile network operators.
How many employees does Cellusys have?
Cellusys has around 148 employees on LinkedIn.
Where is Cellusys headquartered?
Cellusys is headquartered in Dublin, County Dublin.
Where does Cellusys have offices?
Cellusys lists 6 office locations, including Dublin, County Dublin, IE; Barcelona, Catalunia, ES; Berlin, 10435, DE; Dubai, AE, AE; Dubai, Dubai, AE.
When was Cellusys founded?
Cellusys was founded in 2004.
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