Skip to content
Unclaimed
Discovery tool, not advice. Every figure is the published rule, not a decision on your case.
Accelerators

NATO Defence Innovation Accelerator for the North Atlantic (DIANA)

NATO DIANA Accelerator

Status

Usually opens in June and July

Projected from the months this call usually opens — not a date the funder has confirmed.

Closed

Projected from the pattern of past calls — confirm on the funder's page before planning around it.

Amount
€400,000

Selected DIANA Innovators receive EUR 100,000 contractual funding for the Accelerator Programme, and may receive up to a further EUR 300,000 to iterate and demonstrate their solution.

Funder

NATO Defence Innovation Accelerator for the North Atlantic (DIANA)

public · supranational

Deadline: One call a year — DIANA's challenges for 2027 have closed (proposals were due 3 July 2026; selection announced December 2026; cohort starts January 2027). Targeted Dynamic Challenges are rolled out throughout the year.

Your odds
Not published

This funder does not publish a success rate. We rank it using the rate observed across similar programmes and label it as an estimate rather than implying we know.

Effort
quick

Quick — mostly identity and bank details.

Who can apply

Companies from across the Alliance (NATO member countries) providing legal name, place of registration, HQ and ownership/control attestations. Start-ups and SMEs benefit most; universities and non-profit groups are not eligible; technology at TRL 4 or above.

Apply on the funder's site

Source. https://www.diana.nato.int/challenges.html

"DIANA's Challenges for 2027 have now closed."

Last checked against the official page on 5 October 2026

Source: funder's homepage — the programme page was not found

Report an error Something wrong or out of date? Tell us.

Similar programmes

Paid, separate from Unclaimed

Want a human to review your application?

Involve Consulting can help — a paid expert-review service run by the same person behind Unclaimed, entirely separate from this free check. A flat fee, agreed up front; never a cut of what you receive.

Talk to Involve Consulting