Faster detection, smarter classification, and coordinated effective response – one comprehensive operational picture across sea, air, and land.
Lystrup, Denmark, 27th November 2025 – Terma A/S has completed the acquisition of OSL Technology (OSL), a UK-based leader in counter-drone security and safety systems. The acquisition marks a major step in Terma’s strategy to build market-leading capabilities in Counter-Unmanned Aircraft Systems (C-UAS) and critical-infrastructure protection.
OSL is a UK-based counter-drone and intelligent security specialist with its roots in the civil airspace domain, helping major airports and national-infrastructure sites detect, track, and manage drones and other aerial threats in complex environments. Terma brings decades of experience from the defense and

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