Notice

Competition: Defence and Security Accelerator (DASA) Open Call for Innovation - CY2025 - Cycle 4

The Defence and Security Accelerator (DASA) uses the Open Call for Innovation to find ideas that address challenges across both Defence and Security landscapes.

• From: UK Defence Innovation and Defence and Security Accelerator
• Published: 23 September 2025
• Last updated: 27 January 2026
  Show all updates

  1. 27 January 2026

     UKDI tag added.

  2. 13 January 2026

     Notices advising the Open Call for Innovation is closed. Also advising CY2025 Cycle 4 has closed.

  3. 3 December 2025

     As work continues towards UKDI Full Operating Capability the Open Call for Innovation will be closed from the end of Cycle 4, which has been extended to 13 January 2026. The new service will reopen prior to UKDI Full Operating Capability in July 2026.

  4. 19 November 2025

     In Overarching Competition Document: Open Call for Innovation CY2025 - Cycle 4 the following have been updated: 1. Updated the wording regarding the duration we will seek funding for fundable proposals. Changed from decision release to feedback release. 2. Updated the wording regarding who we will share your proposal with to reflect, partners across His Majesty's Government.

  5. 23 September 2025

     First published.

Documents

Overarching Competition Document: Open Call for Innovation CY2025 - Cycle 4

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Competition Document: Open Call for Innovation CY2025 - Cycle 4 - Defence Rapid Impact

HTML

Open Call for Innovation CY2025 - Cycle 4 - Draft Contract

PDF, 125 KB, 28 pages

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Open Call for Innovation: Frequently Asked Questions (FAQ)

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Open Call for Innovation: Open Call Competitions Generic Proposal Template

PDF, 3.38 MB, 32 pages

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Details

Notice

Please note Open Call for Innovation CY2025 - Cycle 4 has now closed for submissions.

As work continues towards UKDI Full Operating Capability the Open Call for Innovation is now closed. The new service will reopen prior to UKDI Full Operating Capability in July 2026.

Please keep an eye on our website and join our mailing list here to receive updates as soon as they become available.

If you are looking for a previous cycle now closed for submissions please refer here

The Open Call for Innovation allows innovative ideas to be proposed to Defence and Security stakeholders, even where a specific requirement has not been stipulated. It is a broad mechanism to allow innovators to present disruptive ideas which may otherwise be overlooked.

The Defence and Security Accelerator (DASA) uses the Open Call for Innovation to find ideas that address challenges across both Defence and Security landscapes. The general requirements common to all Open Call competitions are contained within the ‘Overarching Competition Document’. The scope relating to specific competitions is contained with each respective competition document.

Please read the competition document in full for all details of the Open Call for Innovation competitions currently accepting proposals.

Submission deadline

12:00 Midday on 13 January 2026 (GMT)

Where do I submit my proposal?

Via the DASA Online Submission Service for which you will require an account. Only proposals submitted through the DASA Online Submission Service will be accepted.