European Communications Companies

Aliter TechnologiesBratislava, Slovakia

Builds tactical communications hardware, surveillance drones, electronic warfare systems and cybersecurity solutions for NATO, military forces and government organisations.

OQ TechnologyWasserbillig, Luxembourg

Operates a low-Earth-orbit satellite network delivering 5G NTN direct-to-device connectivity for industrial IoT and unmodified smartphones, with spectrum and satellites serving remote regions worldwide.

IS-WirelessWarsaw, Poland

Builds sovereign private 5G and 6G networks for tactical defence and industrial deployments, powered by its patented LiquidRAN self-healing architecture.

ZeroPhaseMunich, Germany · 11-50

Develops software-defined data links that keep unmanned air, land and sea systems connected under jamming, interference and signal degradation.

CailabsRennes , France · 100-500

Develops laser light-shaping technology for optical ground stations, free-space laser communications and directed energy weapons for space and defence markets.

Fossa SystemsMadrid, Spain · 50-100

Builds and operates a constellation of nanosatellites that deliver satellite IoT connectivity to remote assets in industries including energy, agriculture, logistics and defence.

Nu QuantumCambridge, United Kingdom · 51-200

Builds quantum networking hardware that connects quantum processors into distributed computing architectures, enabling commercial-scale quantum computing.

Quantum Networking Unit (QNU)

A 19-inch rack-mount system hosting photonic integrated circuits that distributes quantum entanglement across connected processors. Launched in June 2025, the QNU provides reconfigurable connectivity between quantum computing nodes for datacenter-scale quantum architectures. Nu Quantum describes it as the world's first product of its kind, delivering 99.7% entanglement fidelity at a 1 MHz attempt rate.

Entanglement Fabric

Nu Quantum's distributed quantum computing architecture, combining its networking hardware with a software abstraction layer for qubit-agnostic application development. The Entanglement Fabric defines how modular quantum processors interconnect and scale, and is the overall framework that the QPI and QNU are designed to populate.

TeletacticaTallinn, Estonia · 1-50

Builds jamming-resistant radio communication systems and video intelligence links for UAVs, robotic systems and other unmanned platforms used in contested electromagnetic environments.

All.SpaceReading, United Kingdom · 100-500

Developer of cutting-edge SATCOM terminals for defence operations with unique capability to connect simultaneously to multiple satellites across different orbits. Provides Hydra terminal range for defence and government applications.

Rowden TechnologiesBristol, United Kingdom

Rowden Technologies delivers information-sharing and sensing solutions for defence, national security, and emergency services. The Bristol-based company specializes in networking, sensing, and computing systems, combining rapid assimilation of commercial technology with deep manufacturing expertise.

Thorium Space TechnologyWrocław, Poland

Designs and manufactures satellite communication terminals, SATCOM chipsets and digital telecommunications payloads for geostationary and low Earth orbit satellites, serving commercial, government and defence customers.

Develops open standard for secure, decentralized communications enabling interoperable real-time communication. Provides foundation for secure messaging and collaboration platforms.

SatcubeGothenburg, Sweden · 51-200

Satellite communications company developing lightweight, portable satellite terminals that provide high-speed broadband connectivity anywhere on the planet through High Throughput Satellites.

Satcube Ku

An 8 kg portable Ku-band satellite terminal that provides up to 20 Mbps broadband connectivity in under one minute, with IP65/IP67 certification and battery operation down to -35 degrees C.

Satcube Secure

A 9.5 kg FIPS 140-2 Level 3 certified portable terminal supporting one-way and two-way TRANSEC encryption, built for mission-critical government and military communications in GPS-denied environments.

Satcube Motion

A 15 kg vehicle-mounted on-the-move satellite terminal with MIL-STD 810 and 461 certification, 360-degree azimuth auto-pointing, and up to 85 Mbps downlink via Ku-band HTS satellites.

AEROMARITIME SystembauNeufahrn bei Freising, Germany · 51-200

Naval communications systems integrator supplying 45+ navies worldwide. Builds the APCOS 4000 open-architecture ship communication system and SAMMS secure military messaging, with specialisms in submarine antenna systems.

ArmpolSulejowek, Poland · 51-200

R&D and production company manufacturing military containers, air conditioning and filter-ventilation systems, power generators and vehicle modernisation kits for the Polish Armed Forces since 1990. Specialises in command post containers and combat vehicle upgrades.

AstrolightVilnius, Lithuania · 1-50

Space communications company developing highly secure laser-based telecommunication systems for aerospace, defence and governmental applications. Creates license-free direct-to-Earth optical data downlink systems for LEO satellites. Selected for NATO DIANA program.

AviometWarsaw, Poland · 51-200

Research and production enterprise manufacturing precision navigational, measuring and control instruments for military aviation and defence applications. Member of the Polish Chamber of National Defence Manufacturers.

BELSSRiga, Latvia · 11-50

Latvia's largest defence sector communications integrator providing military solutions including Motorola radios, rapid deployment equipment, and telecommunications infrastructure.

BitstreamLublin, Poland · 11-50

Designs and manufactures precision time synchronisation devices for defence radar, sensor networks and critical infrastructure. Over 20 years of operation supplying military and telecom clients.

CamGraPhICPisa, Italy

Graphene-based photonic transceivers for high-speed data transfer in defence and AI applications. Cambridge University spinout. EUR25M Series A co-led by NATO Innovation Fund.

CeoTronicsRödermark, Germany · 51-200

Makes tactical communication hardware — PTT control units, DECT wireless intercom systems and hearing-protective headsets — for armed forces, police and emergency services.

Cestron InternationalBerlin, Germany · 11-50

Designs, manufactures and commissions HF radio communication systems and antenna infrastructure for military and government customers. One of Europe's leading integrators for naval ship-to-shore HF comms covering VLF through UHF bands.

ChipCraftWarsaw, Poland · 11-50

Fabless semiconductor company producing NaviSoC, a fully integrated multi-band GNSS receiver with high jamming and spoofing resistivity on a single chip. Founded by Warsaw University of Technology engineers in 2016.

DGTBydgoszcz, Poland · 51-200

Manufactures military-grade digital communication systems and field telephone exchanges for the Polish Armed Forces since 1991. Systems have been deployed on Polish military missions in Afghanistan, Iraq, Kosovo and other theatres.

ElarionVilnius, Lithuania · 1-10

Produces NDAA-compliant UAV avionics including ExpressLRS receivers and transmitter modules. All components sourced from Western suppliers with no Chinese parts. Listed on the Blue UAS Framework.

ELNA GmbHTangstedt, Germany · 11-50

Manufactures rugged MF/HF military and submarine antennas under the DUK brand. Installed on naval fleets worldwide including the German Navy. Founded 1952, all products made in Germany near Hamburg.

Elproma ElektronikaWarsaw, Poland · 11-50

Produces GNSS anti-jamming and anti-spoofing monitoring systems, fibre-optic seismographs and precision time synchronisation equipment for the Polish military. NATO-certified with NCAGE code 9ATKH.

EnamorGdynia, Poland · 51-200

Maritime electronics spin-off of Gdynia Maritime University producing navigation, communication and automation systems for the Polish Navy and commercial fleets. Holds NATO SECRET clearance and employs 98 specialists.

EvoLogicsBerlin, Germany · 51-200

Designs biomimetic underwater robots and acoustic communication systems for naval and offshore operations. Products include autonomous underwater vehicles inspired by penguin locomotion and dolphin-based acoustic modems for subsea positioning. Founded in 2000 in Berlin.

ExenceKobierzyce, Poland · 51-200

Polish defence software company building NATO ISR and logistics systems including LOGFAS and the NATO Routing Hub. Partnered with Northrop Grumman on C2 projects and awarded EU EDOCC contracts.

Focal Point PositioningCambridge, United Kingdom · 11-50

Develops next-generation navigation and positioning software using Supercorrelation technology to enhance GNSS accuracy for smartphones, wearables and autonomous vehicles.

GPSPATRONWarsaw, Poland · 1-10

Polish engineering company developing GNSS interference detection and classification systems. Products include GP-Probe compact jamming detectors and GP-Cloud real-time analytics platform, used to protect critical infrastructure, drone operations and military navigation from spoofing and jamming attacks.

greenSANEStare Miasto, Poland · 11-50

Polish manufacturer of mobile energy storage systems designed as silent alternatives to diesel generators for military field operations. Builds the NONgenerator product line and container-scale batteries up to 9 MWh using second-life EV cells, all designed and assembled at its facility near Konin.

GSMK CryptoPhoneBerlin, Germany · 11-50

Builds end-to-end encrypted mobile phones with 4096-bit key exchange and hardened OS. Pioneered the secure smartphone market in 2003 with patented Baseband Firewall that detects IMSI catchers. Used in 50+ countries.

HavguardLeknes, Norway · 1-10

Develops AI-enabled technologies for real-time multimodal underwater communication and submarine detection, specializing in magneto-inductive wireless communication systems to protect critical underwater infrastructure.

Hertz SystemsZielona Góra, Poland

Manufactures military-grade GPS receivers with embedded cryptographic SAASM modules for combat platforms and soldier equipment. Supplies the Polish Armed Forces and exports to NATO allies.

HimeraKyiv, Ukraine · 11-50

Ukrainian defence technology startup that develops EW-protected tactical communication systems for military use, specializing in secure radio stations with low probability of detection and 256-bit traffic encryption.

G1 PRO

A 300-gram handheld tactical radio with AES-256 encryption, frequency hopping, and 48+ hours of battery life, designed to resist detection and jamming in contested EW environments.

B1 Network Extender

A compact autonomous repeater that can be elevated by drone to extend the radio coverage of G1 PRO networks across the battlefield, supporting FHSS and mesh networking.

R1 Repeater

A fixed repeater with internet-relaying capabilities that bridges radio signals via Starlink or other IP networks, enabling brigade-level encrypted communication with no range limit.

JK Defence & Security ProductsKempen, Germany · 11-50

Value-added distributor of military communications, tactical radios, SATCOM, optronics and night vision devices. Serves as MRO partner to the Bundeswehr for rescue equipment, NVGs and military radios since 1992.

KenBITWarsaw, Poland · 11-50

Warsaw-based defence IT company building battlefield management systems, secure communications and laser warning receivers for the Polish Armed Forces. Its HEKTOR BMS software is deployed in two Polish military subunits and complies with NATO JIPS interoperability standards.

KNL NetworksOulu, Finland · 11-50

Finnish maritime IoT connectivity company that developed secure mesh network technology for global maritime communications. Acquired by Telenor Maritime in 2020.

CNHF Manpack

Portable tactical wideband HF radio with cognitive spectrum sensing, receiving over 4,000 calling channels simultaneously, supporting data rates up to 300 kbps with AES256 encryption and SATCOM-denied operation.

CNHF1 Radio

Rack-mounted cognitive HF radio system that receives the full HF spectrum at once, listens to 2,500+ calling channels simultaneously, and establishes links in under one second with wideband data rates up to 153 kbps.

CNHF Evolve

A compact 600g turn-key device that upgrades legacy HF and VHF radios from any vendor with KNL cognitive waveform, AES256 encryption, and modern digital services including webmail, without replacing existing equipment.

LaterationErding, Germany · 11-50

Develops precise indoor and outdoor positioning systems using proprietary algorithms and rugged hardware for defence and security applications. Supplies Rheinmetall and ARX Robotics with radio-based position tracking for GPS-denied environments.

Leaf SpaceMilan, Italy · 50-100

Ground station networks for microsatellites. Global satellite communication infrastructure for defence applications.

MAW TelecomWarsaw, Poland · 51-200

Provides military TETRA radio systems, electronic warfare equipment and cybersecurity tools to the Polish Armed Forces since 1990. Built the first military TETRA network in Poland.

MBRYONICSGalway, Ireland · 11-50

Specializes in space optical communications and satellite technology development. Provides advanced optical communication systems for aerospace and satellite applications.

Microamp SolutionsWarsaw, Poland

Develops millimeter-wave radio systems for multi-gigabit, near-zero latency 5G connectivity. NATO DIANA member providing power electronics and energy systems for defence and critical infrastructure.

NavcomSystemsLodz, Poland · 11-50

Only privately-owned company in Poland certified to maintain and service Mi-2 military helicopters. Provides avionics modernisation, navigation and radar upgrades for the Polish military fleet.

NEOSATMunich, Germany · 1-10

Compact eavesdropping-secure satellite communication using software-defined radios and MIMO antenna technology. Universität der Bundeswehr München spin-off, winner of the CPM Innovation Award 2025.

ODM GmbHMuhldorf am Inn, Germany · 11-50

Develops and manufactures tactical audio communication systems for military, special forces and emergency services. Professional-grade headsets and audio equipment for noisy and critical environments. Made in Germany.

OledcommParis, France

Oledcomm is a French pioneer and world leader in optical and photonic communications, specializing in LiFi technology. Their solutions provide secure, interference-free wireless communication for military and defense applications in environments where radio waves are not suitable, offering high-speed optical wireless communications as an alternative to traditional RF systems.

PLATHHamburg, Germany · 201-500

Builds SIGINT, COMINT and electronic warfare systems for military and government customers, covering the full intelligence collection cycle across land, naval and airborne platforms.

Polus TechZug, Switzerland · 11-50

Technology company developing cutting-edge emergency communication solutions and portable cellular networks for disaster response and remote connectivity.

Quantum Optics JenaJena, Germany · 11-50

Builds quantum key distribution systems for ultra-secure fibre and satellite communications. Fraunhofer IOF spin-off whose entangled photon-pair sources are independently certified and deployed in European quantum network projects. Founded in 2020 in Jena.

Radionor CommunicationsHorten, Norway

Digital phased-array tactical broadband radios for military operations, combat-proven by Norwegian forces in Ukraine.

Radiotechnika MarketingWroclaw, Poland · 51-200

Produces military cable harnesses, fibre optic systems, EMI filters and power supplies meeting MIL-STD-1553B DataBus standards. Holds NATO Entity Code 879H and QPL certification from the US Defense Supply Center Columbus.

RevobeamGdansk, Poland · 1-10

Develops beam-reconfigurable antennas and wireless communication systems for UAVs and IoT devices, specializing in anti-jamming technology for defence applications.

RSI EuropeVilnius, Lithuania · 51-200

Lithuanian company specializing in development and manufacturing of innovative radio and electronic systems for defence sector, including remote explosives initiation systems and FPV drones.

S4GAWarsaw, Poland · 11-50

Designs and manufactures solar-powered and portable airfield lighting systems for civil airports and military airbases. NATO STANAG-compliant military lighting trailers deployed by the Bundeswehr, USAF and armed forces in 50+ countries.

SAF TehnikaRiga, Latvia · 201-500

Latvian microwave radio technology company producing secure point-to-point communication systems used in military and critical infrastructure networks.

SavoxEspoo, Finland · 51-200

Tactical communication headsets and hearing protection systems for military forces, enabling clear comms in high-noise environments.

IMP Intercom System

A digital intercom control and command system for military vehicles and vessels, certified to MIL-STD-461/810/1275 with STANAG 4754 compliance and 5W typical power consumption.

Pack-COM

Wireless full-duplex team communication system with AES-256 encryption supporting up to 11 users within a 400m secure communication bubble via a portable base station.

TRICS Ci4

Dismounted tactical communication controller with ATAK access, satellite backhaul, Bluetooth connectivity, and remote control of up to four radios simultaneously.

Scipio NetworksBerlin, Germany · 1-10

Berlin startup modernising military logistics with AI-driven planning, real-time supply chain visibility and resilient distribution. Replaces analogue processes used by armed forces with software-based planning tools.

SiltecPruszkow, Poland · 51-200

Provides TEMPEST-certified IT equipment, satellite and radio communications, cryptography, optoelectronic fire-control systems and secure power supply to EU and NATO defence customers. Employs approximately 150 people from its base near Warsaw.

Slipstream DesignShipley, United Kingdom

Slipstream Design develops advanced RF and digital signal processing systems for defence, security, telecommunications, and space. Their flagship ASTRO platform is an ultra-wideband adaptive radio processor delivering resilient sensing and communication technology for mission-critical operations in contested electromagnetic environments.

SMAG Mobile Antenna MastsSalzgitter, Germany · 51-200

Europe's only manufacturer of guyless mobile antenna masts up to 40 metres. Over 1,900 units in military service worldwide for communications, radar and surveillance. Bundeswehr supplier since 1974.

TeldatBydgoszcz, Poland · 51-200

Manufactures ruggedized military-grade tactical terminals, laptops and tablets for the Polish Armed Forces. Products are deployed on tanks, armoured vehicles, naval vessels and by infantry in the field.

TransbitWarsaw, Poland · 51-200

Designs and manufactures tactical radio relay systems, UAV data links and command-and-control communications equipment for the Polish Armed Forces and NATO air defence programmes.

Unitronex PolandWarsaw, Poland · 11-50

Distributes and integrates US-made electronic warfare, reconnaissance and communications equipment for the Polish Armed Forces. Partnered with Cubic Defence Applications on simulator systems selected by the Polish Army.

VAAL AirshipsSaue, Estonia · 1-10

Develops and operates High Altitude Platform Stations (HAPS), stratospheric drones at approximately 21km altitude that provide surveillance and connectivity services as a satellite alternative. ESA BIC Estonia alumnus and EDIA member.

WamtechnikPiaseczno, Poland · 51-200

NATO-certified manufacturer of military battery packs and power supply systems for the Polish Army, police and border guard. First company in Central and Eastern Europe licensed by Panasonic for lithium-ion pack production.

WayrenTallinn, Estonia · 11-50

Wayren develops advanced autonomous systems and robotics solutions for defense and security applications. The company focuses on creating innovative technologies that enhance operational capabilities in challenging environments.

WB GroupWarsaw, Poland · 100-500

Poland's largest private defence company building C4ISR systems, tactical communications and reconnaissance drones. Products include the FlyEye ISR drone and Warmate loitering munition.

Wild HornetsUkraine

FPV attack drones and secure tactical communications systems, actively deployed by Ukrainian armed forces in combat.

WiRanGdynia, Poland · 11-50

Hardware design office in Gdynia specialising in RF and wireless technologies for maritime, space and defence clients. Designs antennas, diplexers and space-grade electronics, with ESA collaboration since 2016.

ZippermastBad Reichenhall, Germany · 11-50

Develops compact, mobile telescopic mast systems with self-locking structures for mounting sensors and effectors on military platforms. Products feature internal cable routing and modular payload interfaces for field deployment. Founded 2011.