Crown Defence

ONYKS™ — a cognitive electronic warfare platform spanning Electronic Support, Attack and Protection: detects and classifies threats across RF, acoustic and optical domains, adds hyperspectral imaging and SIGINT, and responds autonomously (counter-UAS, radar suppression, jamming). The company reports moving from development to commercial pilots from autumn 2025. CEO Jari Mielonen since 8/2025, Mattipekka Kronqvist chairman. Registered 2023 as Crown Cyber Defence Oy and renamed Crown Defence Oy on 30.12.2025.

The row

Sector

Defense & Dual-use

Stage

Pre-revenue — No sales yet

Location

Espoo

Founded

2023

Business ID

3355133-5 · Finnish trade register

Funding

No funding round disclosed

Links

Where this sits on the map

Crown Defence is one of 9 companies in Defense & Dual-use. The others:

How this row was decided

Every row on this map is checked by hand against the trade register and the company's own material, and placed in the sector that best describes its business or its technology. Service firms and consultancies are left out, however advanced the technology they work with — the test is where the revenue comes from. Only funding figures the company or its investor has published are shown. The full rules are on the landscape ↗