HARK sensor
A passive acoustic detection sensor that detects, classifies, and localises drone and ground‑based threats in real time.
Maturity not rated
Startup · United Kingdom
Arcani
HQ London, United KingdomFounded 20241-10 employees
Advanced acoustic detection technology for enhanced battlefield awareness and security. A NATO DIANA accelerator participant.
Funding1 round
- Equity raised
- Undisclosed
- Debt, secondaries & grants
- Undisclosed
- Latest
- UndisclosedGrant · 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| 2026 | Grant | Undisclosed | — | NATO DIANA | — | Reported |
- GrantLed by NATO DIANAUndisclosed2026
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems1
Newest unveiled first. Open a system for its milestone timeline, components and sources.
Capabilities2
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| ISR and targeting | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic detection for battlefield awareness and security, and a NATO DIANA participant. | Reported |
| Sensing and signature management | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic detection for battlefield awareness and security, and a NATO DIANA participant. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic detection for battlefield awareness and security, and a NATO DIANA participant.—Reported
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic detection for battlefield awareness and security, and a NATO DIANA participant.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
Sources5
Profile2
- 1
PitchBook · Supports Organization · founded year
“founded_year: 2024”
- 2
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "UK", "hq_iso2": "GB", "id": "5aa32028-757f-426b-8dc7-de806a1c9a89"}”
Systems1
- 3
Arcani · Supports Organization · description, Organization · name, Organization · website, System
“Advanced acoustic detection technology for enhanced battlefield awareness and security. A NATO DIANA accelerator participant.”
Funding2
- 4
- 5
Crunchbase · Supports Funding round, Organization · employee range, Organization · hq city, Organization · linkedin url
“Grant - NATO DIANA”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.