Profile last updated: October 8, 2026
About
3-Fi is a defense software developer based in Bulgaria working in radar & sensors.
3-Fi is a Bulgarian company with a radar development focus for defence and security. It also provides IT infrastructure for small and medium-sized businesses and conducts med-tech research, including neuro-monitoring solutions. The company describes its offering as dual-use and GDPR-compliant. Its work covers RF engineering, hardware and software development.
Location
Bulgaria
Legal name
3-Fi Ltd.
Focus areas
Languages
Products & capabilities
Defense domains
Radar & Sensors
Supply-chain role
Software Developer
What they offer
HardwareSoftwareEngineering Services
Markets
Also sells to civilian markets
Products
Advanced radar systems
Radar system
Radar systems developed for the defence and security industry.
