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What does Northern Ireland gain from being part of the UK internal market?

Short answer

Businesses can sell to 60+ million customers in Great Britain in the same currency, under the same tax system, with no tariffs.

What we know Fact

  • The UK internal market lets goods and services move freely within the UK.
  • The 2024 Safeguarding the Union commitments aim to protect unfettered access for Northern Ireland goods to Great Britain.

Last checked 4 October 2026 · Spotted a mistake? Tell us and we'll correct it.