Sensors & EW defence companies in the Czech Republic
We track 10 sensors and electronic warfare companies in the Czech Republic, most of them in Prague and Brno. 3 of them are hiring now, with 10+ open roles. Among them are Invasys, ELDIS Pardubice and Phonexia.
All Sensors & EW Companies in the Czech Republic
Builds mobile phone interception systems and cyber countermeasure platforms for government law enforcement and intelligence agencies.
ELDIS Pardubice is the leading Czech manufacturer of active radar systems for air traffic control and defence applications. Established in 1991 and part of Czechoslovak Group since 2017, the company produces the RL-2000 Primary Surveillance Radar, MSSR-1 Secondary Surveillance Radar, and PAR-E Precision Landing Radar, serving customers in over 25 countries.
Brno-based voice biometrics and speech recognition company serving intelligence agencies, law enforcement and defence forensic labs in 60 countries. Products include Voice Inspector for forensic voice analysis and a speech-to-text platform for on-premise SIGINT.
Airsec designs and integrates counter-drone detection systems combining radar, RF scanning, EO/IR video analytics, command-and-control software and support services.




Czech designer and manufacturer of electro-optical surveillance systems and pan-tilt positioners for long-range ISR, naval and ground platforms. Has delivered over 600 electro-optical systems to 40 countries and also markets the LAWAREC counter-UAS solution.
Czech C4ISR and electronic warfare company developing ISRMAN, SYMON/LEMON COMINT-ELINT systems and the ANDROMEDA counter-drone suite. Combat-proven with the Czech Armed Forces and supplier to NATO customers.
Ray Service manufactures cable harnesses, electromechanical assemblies and electronic equipment for aviation, space and defence customers.
Czech High Altitude Pseudo-satellite developer operating at 18-20 km altitude for defence surveillance, border protection, Earth observation and telecommunications. Its Skyrider platform carries 30 kg payloads with 5 kW power for mission durations of weeks to months. Holds an aircraft design organisation approval.
Czech electronic warfare R&D company producing RCIED jammers, counter-UAV systems and reconnaissance-jamming kits used by multiple NATO armed forces. Represents the Czech MoD in NATO EW expert groups.
Czech thermal imaging company developing UAV, UGV, maritime and fixed-security payloads, thermal cores and imaging modules for defence, border surveillance and industrial monitoring.