European Defence Tech Hackathon (EDTH)
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The fastest way for engineers and early founders to plug into the European defence-tech builder scene, meet operators and get noticed by funds active in the space.
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EuropePrograms & open callsHybridNATOPast event
1 Jun – 3 Jul 2026
NATO DIANA Challenge Call
NATO DIANA (distributed — 16 accelerator sites and 200+ test centres across NATO nations) · London, United Kingdom
- Dates
- Mon, 1 June 2026 – Fri, 3 July 2026
- Venue
- NATO DIANA (distributed — 16 accelerator sites and 200+ test centres across NATO nations)
- Location
- London, United Kingdom
- Organizer
- NATO DIANA (Defence Innovation Accelerator for the North Atlantic)
- Cost
- free
- Scale
- regional
- Recurrence
- annual
- Reg. deadline
- 15 May 2026
- CFP deadline
- 3 Jul 2026
- Format
- Hybrid
Market intel
Cheap pricinghigh confidence
NATO DIANA's annual Challenge Call has scaled rapidly since its 2023 pilot, with the 2026 cohort representing its largest intake: 150 companies selected from 3,680 applications across 24 NATO nations, each receiving €100,000 in non-dilutive Phase 1 funding.
- The current open round (2027 cohort) targets six challenge areas including human survivability, multidomain autonomy, and scalable air-defence countermeasures, with a submission deadline of 3 July 2026.
- A competitive down-select at the end of Phase 1 advances the strongest innovators to the Mission Track with up to €300,000 in additional funding.
Notable exhibitors
Connect Robotics (Portugal)Neuraspace (Portugal)JET Connectivity (UK)FireSwarm Solutions (Canada)Mesodyne (USA)IONATE (USA)TACTIQL (USA)RVmagnetics (Slovakia)
AI-researched Tue, 11 August 2026. Estimates from public sources. Verify with the organizer.
Why it matters
DIANA is NATO's primary mechanism for pulling dual-use deep-tech startups and SMEs directly into the Alliance's procurement and capability pipeline via its Rapid Adoption Service, substantially compressing the typical 3–5 year procurement cycle to 6–12 months.
- Selection places a company within a trust network spanning 32 Allied markets, military end-users, and a NATO-linked investor community — a credibility signal that is exceptionally difficult to replicate commercially.
- For defence-adjacent startups, the non-dilutive funding structure (no equity taken, full IP retained) and access to live operational test environments make this one of the most commercially consequential accelerator programmes in the transatlantic defence ecosystem.
About
NATO DIANA's annual Challenge Call is an Alliance-wide open competition inviting dual-use deep-tech companies registered in any of the 32 NATO member states to submit proposals addressing critical defence and security challenge areas defined by NATO.
- Selected innovators join a six-month accelerator programme receiving €100,000 in non-dilutive contractual funding, access to over 200 test centres, expert mentorship, and military end-user engagement.
- Top performers are down-selected to a follow-on Mission Track with up to €300,000 in additional funding.
- The programme launched its first challenges in June 2023 and has grown rapidly, with the 2026 cohort being the largest to date at 150 companies.
Topics
Dual-useAIAutonomy & RoboticsUAS / DronesCyber
Who it's for
StartupsSMEsInvestors
Funding behind this kind of event
Instruments open to companies based in United Kingdom, tracked with their call deadlines.
- NSSIF — National Security Strategic Investment FundHM Government with the British Business Bank
- UKDI — UK Defence InnovationUK Ministry of Defence
- UK Defence Innovation £20 Million Accelerated Contracts FundUK Ministry of Defence (MoD), via UK Defence Innovation (UKDI)
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