
Callen-Lenz
British SME that won £5 million UK contract for Nyan one-way effector drone under UKDI programme.
Last refreshed: 4 April 2026 · Appears in 1 active topic
Can Callen-Lenz build a UK-sovereign loitering munition at scale while the US relies on Ukrainian designs?
Latest on Callen-Lenz
- What is Callen-Lenz UK drone company?
- Callen-Lenz is a British UAS SME that won a £5 million UKDI contract for the Nyan one-way effector drone in March 2026. Nyan is the only system of its type on the UK Military Aircraft Register.Source: UKDI programme announcement
Background
Callen-Lenz is a British SME specialising in unmanned aircraft systems integration and development. In March 2026, the company signed a £5 million contract for the Nyan one-way effector (OWE) drone, awarded under the UK Drone and Counter-Drone Innovation (UKDI) programme. Nyan is the only system of its type on the UK Military Aircraft Register, a distinction that reflects both Callen-Lenz's domestic regulatory engagement and the scarcity of UK-designed loitering munitions.
Callen-Lenz operates in the specialist tier of the British defence SME market, focusing on platform integration and airworthiness certification for military UAS. The company was involved in early UK military drone operations and has built regulatory relationships with the Civil Aviation Authority and military authorities that smaller startups lack. This infrastructure gives it an advantage in navigating the UKDI programme's British-ownership requirements.
The UKDI contract sits within a £140 million rapid investment tranche covering 20 British SMEs, 11 micro-SMEs, and two academic institutions, backed by a £400 million annual ringfenced budget. Callen-Lenz's Nyan award is the highest-profile single contract in that tranche and positions the company as a lead supplier in the UK's push to develop an indigenous one-way attack drone capability.