iDEX Open Challenge 2026

What it is

Enable defence-relevant technology development, prototyping and potential adoption through iDEX challenge and grant mechanisms.

What you get

• iDEX Open Challenge grant-in-aid

Who it is for

• proposal must address the applicable current challenge or open-challenge focus
• selected applicant must satisfy the current iDEX challenge and grant-agreement conditions
• startup ownership and entity evidence must satisfy current official requirements

Not eligible if

• selection is not guaranteed by registration or proposal submission
• a generic product without a relevant challenge or focus-area fit is not automatically eligible
• grant approval, milestones, procurement and adoption are separate decisions

How to apply

1. 1
   Confirm the current challenge and deadline

   Review the live Open Challenge page, focus area/problem statement and deadline before preparing a proposal.

   Official step
2. 2
   Create or use an iDEX account

   Register or log in through the official iDEX portal and complete the required applicant details.

   Official step
3. 3
   Submit the technical proposal

   Select the applicable challenge route, provide technical and financial details, and submit before the current deadline.

   Official step
4. 4
   Track evaluation and milestones

   If selected, retain the committee decision, Product Development Budget and milestone/grant-agreement records.

   Official step

Keep ready