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Defence spending and procurement: what it means for software and AI start-ups

How do software start-ups sell to UK defence?

Updated 6 November 2026 from public records. 11 items below.

At a glance

Government has committed to raise defence spending and to buy more from smaller and newer suppliers, through the Defence Investment Plan and reforms to how the Ministry of Defence buys. For a start-up selling to defence, the question is which of these routes is real money this year and how to get in front of it. The Ministry of Defence on GOV.UK.

What it means for your start-up

Much new defence spending goes on software, data and AI, and the Ministry of Defence has promised to buy more from smaller firms. Security accreditation, Cyber Essentials and clearance for staff are the gates most software firms meet first.

What to do now

  1. Get Cyber Essentials, which most defence contracts require, and Cyber Essentials Plus if your contracts carry higher cyber risk.
  2. Follow the Ministry of Defence's digital and AI strategies for funded priorities.
  3. Find a route in through UK Defence Innovation or a prime contractor's supply chain.

Latest from government

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In Parliament

Marked: mentions software and ai directly.

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