NEW: Lawful Orange Order parade blocked as Garvaghy Road dispute escalates — read the story Find out more
← All questions
Jobs, business & trade✕ No clear answer

Would businesses face new taxes and regulations after Irish unity?

Short answer

Yes, in many cases. Businesses would move to the Irish tax system and EU rules, which differ from the UK's. No transition plan has been published.

What we know Fact

  • Ireland's corporation tax, VAT and income tax rules differ from the UK's.
  • EU regulations would apply in full.

What is still unclear Interpretation

The cost of changing systems for Northern Ireland businesses has not been estimated.

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