Funding competition from UK Defence Innovation
UKDI Security Open Call 2026 Cycle 2
Open. Closes 29 October 2026 (in 3 days)
- Businesses can apply
- UK-registered applicants
- Funder
- UK Defence Innovation
- Kind
- Funding competition
- Each award
- Up to £350,000
- Closes
- 29 October 2026in 3 days
What it funds
The Security Open Call is a competition which UK Defence Innovation (UKDI) runs to find proposals that address security challenges faced by government stakeholders.
From the UK Defence Innovation listing.
Who can apply
- Applicants must be registered in the UK.
Key dates
- Stage 1 closes29 October 2026in 3 days
- Stage 2 closes (by invitation)28 January 2027in 3 months
Dates as the UK Defence Innovation listing gives them. Relative dates count from 26 October 2026.
More open calls from UK Defence Innovation
Tactical Power Challenge
closes in 2 weeksUK Defence Innovation · Funding competition · Up to £2.45 million each · closes 10 Nov 2026
- Businesses can apply
All open funding competitions and grants · Tender Radar first saw this call on 24 October 2026 and last read its listing on 25 October 2026. Page as of 26 October 2026.