Cybersecurity defence companies in Ireland

We track 4 cybersecurity companies in Ireland, most of them in Dublin and Galway. 1 of them is hiring now, with 5+ open roles. Among them are Druid Software, Corballis Technologies and Klas.

All Cybersecurity Companies in Ireland

Druid Software logo
Druid SoftwareDublin · 51-200 employees · Communications
5 roles

Private 5G and 4G/LTE core network software for defence, public safety, and enterprise. Raemis platform deployed for NATO CCDCOE cyber defence exercises and US DoD tactical edge applications supporting 800-member military battalions.

Raemis Private Cellular Core
Raemis Private Cellular Core
Private 4G/5G core network platform for enterprise, public safety, industrial IoT and defence communications deployments.
Defence Mobile Solutions
Defence Mobile Solutions
Private cellular communications solution for secure mobile broadband and patrol communications in defence and security operations.
Public Safety Networks
Public Safety Networks
Cellular public-safety solution for migrating from TETRA and P25 toward next-generation mobile broadband networks.
Corballis TechnologiesDublin · 11-50 employees · AI & Defence Software
No listed roles

Safety and risk management software for aviation, defence, and critical infrastructure. Supplies the Irish Air Corps and Defence Forces with compliance systems and participates in EDA and Horizon research programmes.

Klas51-200 employees · Communications
No listed roles

Irish tactical-edge communications company building rugged Voyager compute, networking and multi-enclave systems for deployed government and defence users, now part of Anduril.

Siren logo
SirenGalway · 51-200 employees · AI & Defence Software
No listed roles

Provides an investigative intelligence platform that enables organizations to search, analyze, and visualize data for law enforcement, cybersecurity, fraud, and national security investigations.

Siren Investigate
Siren Investigate
An AI-powered investigative search platform with full-text search, link analysis, geospatial/temporal analysis, and real-time topic clustering that analysts say reduces investigation time by 70%, deployable on-premise or air-gapped environments.