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Startup · Ukraine

OneDefence

HQ Ukraine

One-Defence, a Ukrainian defense company. Developing UAV interceptors, electronic warfare systems, and advanced solutions for countering aerial threats.

Website

Systems4

Kestrel

A guided interceptor for uncrewed aircraft.

Maturity not rated

OTAMAN-1

An electronic-warfare system for countering FPV drones.

Maturity not rated

OTAMAN-2

An electronic-warfare system for countering FPV drones.

Maturity not rated

OTAMAN-3

A directional electronic-warfare system for countering drones.

Maturity not rated

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Capabilities2

  • Developer
    classify_sectors run 37, haiku, taxonomy 2026-10-18b: Ukrainian defense company developing UAV interceptors, electronic warfare systems and counter-aerial solutions.
    —Reported
  • Developer
    classify_sectors run 37, haiku, taxonomy 2026-10-18b: Ukrainian defense company developing UAV interceptors, electronic warfare systems and counter-aerial solutions.
    —Reported

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

Sources5

Profile3

  1. 1

    Sixth-Domain · Supports Organization · country, Organization · kind

    “{"country": "Ukraine", "hq_iso2": "UA", "id": "e34e2ed2-7aff-4bf0-be15-f5629f163a2b"}”
  2. 2

    Crunchbase · Supports Organization · linkedin url

    “linkedin_url: https://www.linkedin.com/company/one-defence”
  3. 3

    LinkedIn · Supports Organization · ownership

    “Type Privately Held”

Systems2

  1. 4

    OneDefence · Supports Organization · description, Organization · name, Organization · website, System

    “One-Defence, a Ukrainian defense company. Developing UAV interceptors, electronic warfare systems, and advanced solutions for countering aerial threats.”
  2. 5

    OneDefence · Supports System

    “### OTAMAN-1 01 A dome-shaped electronic warfare system for jamming FPV drones in non-standard frequency bands. 3 frequency bands / 150 W / 360° coverage”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.