Startup Rankings
Top Defence Startups in Slovenia 2026
Last updated · 2 companies · compiled from public data sources
Slovenia hosts 2 of the defence startups tracked in the fieldfaster dataset, with teams in Ajdovscina, Ljubljana. Focus areas include ISR and sensing, simulation and training, uncrewed systems.
Every entry is a short factual profile compiled from public sources: what the company builds, where it is based and when it was founded. The ranking favours established teams, ordering companies by team size band first and company age second. No funding figures are used.
- 1.
Guardiaris
Ljubljana · founded 2007
Ljubljana-based developer of military simulation systems covering small arms, anti-tank, vehicle, MANPADS and drone operator training, built on its proprietary GUARD image generator; partners include Otokar.
simulation-trainingRead moreSources: fieldfaster curated dataset (public sources)
- 2.
C-Astral Aerospace
Ajdovscina · founded 2007
Slovenian small UAS maker whose Bramor and Atlas fixed-wing systems are used in over 70 countries; the Belin-V variant is procured by the Slovenian Armed Forces, with joint procurement by Montenegro.
Sources: fieldfaster curated dataset (public sources)
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Companies are ranked by team size band and company age, using short factual profiles compiled from public sources. No funding figures are used. If your European defence startup belongs on this list, tell us and we'll review it for the next update.