Defence companies in Ireland

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.

Vertically integrated UAS manufacturer producing fixed-wing UAVs from 4 to 150 kg MTOW with up to 12 hours endurance. Supplies the Irish Naval Service and Defence Forces with surveillance drones and develops its own PilotUS autopilot system.

Data analytics software for defence and government intelligence, specialising in risk identification from structured and unstructured sources. Participates in three European Defence Fund projects including naval superiority (E-Nacsos), AI for defence (Koios), and explosive detection (Convoy).

Biotechnology company developing nature-inspired safe and environmentally sustainable Pathogen Capture Technology (PCT) to protect humans and animals from pathogens. Technology developed in collaboration with Defence Forces Ireland and Czech University of Defence.

Cathx Ocean builds subsea imaging sensors, edge compute hardware and workflow software that turn underwater data into real-time perception and autonomy insights.

Hunter II

Subsea imaging hardware line for capturing high-quality optical data in shallow or deep water conditions.

INKA Edge Hardware

On-vehicle processing hardware for deploying AI model inference and data workflows directly on subsea vehicles or sensors.

INKA Iris

Compact subsea camera product for shallow-water operations with onboard processing capabilities.

Clarity

Edge workflow software runtime for orchestrating data agents, AI models, event detection and actionable insights at the edge.

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.

Develops thermal control coatings for spacecraft using a patented CoBlast surface treatment process. Supplied the heatshield coating for ESA's Solar Orbiter and coatings for JUICE, ExoMars, and MeteoSat missions in partnership with Airbus Defence and Space.

Provides advanced technology for proactive asset and personnel security using ComPOL systems with AI-powered threat detection and surveillance capabilities.

Europe's leading open-market manufacturer of navigation-grade accelerometers and tactical-grade Coriolis vibratory gyroscopes. Produces inertial sensors from a 6,000 m2 cleanroom facility in Dublin for defence, aerospace, space, and maritime applications.

Builds optical satellite communications terminals, ground stations and photonic interconnects for space-to-space and space-to-ground networks.

STARCOM

Optical communications terminal for Earth links and inter-satellite links, supporting 1550 nm modems, dual polarization, quantum key distribution and SDA optical communications standards.

STARGATE

Optical ground station architecture for connecting space optical networks to terrestrial infrastructure, designed for high-capacity satellite downlinks and interoperability.

STARLIGHT

Digital optical modem, amplifier and antenna control unit set for STARCOM terminals, supporting 1550 nm ITU C-band operation, polarization modulation, OOK and coherent modulation.

TeraBIX

Radiation-hardened silicon photonic transceiver for high-speed satellite payload, board-to-board and chip-to-chip links with low power consumption.

Ireland's only dedicated space electronics company, designing and manufacturing avionics, telemetry systems, and on-board AI for satellites and launch vehicles. Supplies the Ariane 6 video telemetry system for ArianeGroup and the payload interface unit for ESA's PLATO mission.

Develops EOD robots and remote disruptor platforms for military and security customers. Products include the Riddler robot, R-Evolve, and deployable surveillance systems, exported to the UK, Switzerland, and the USA since 2006.

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

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.

Space and maritime surveillance software company building ISS mission-critical systems for NASA and ESA. Provides real-time situational awareness platforms for global vessel monitoring, dark vessel detection, and command and control across sea, land and air.

Develops on-board AI processors for satellites, enabling real-time vessel detection and autonomous targeting from orbit. Has flown 11 space AI missions with ESA and NASA JPL, and received a European Defence Fund grant for the ARCHYTAS defence AI accelerator project.

Builds AI-driven simulation training analytics for defence and security. HEAT platform transforms simulation data into actionable performance insights. Partners with Rheinmetall and KNDS France, endorsed by UK DASA as part of the defence supply chain.