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/ 01DECISION MAP™AVAILABLE · REVIEWED 12 NOV 2026

Serving the EU from a British Isles base: the United Kingdom or Ireland

Should an English-speaking base that must sell into the EU be in the UK or in Ireland? Compare a UK and an Irish company as the base for a business that sells into the EU. The comparison covers goods and customs, regulated services, personal data, profit tax, VAT, directors and the practical sequence.

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Written for: Leadership, finance and legal teams of non-European companies choosing an English-speaking base with EU customers. A Decision Map is a structured comparison, not a professional opinion: each point shows its source and the date it was checked.

/ 02COMPARE
ROUTES CATEGORIES
Category United Kingdom
Private limited company (Ltd)		 Ireland
Private company limited by shares (LTD)
Selling goods into the EU
What happens at the border?		 The UK is outside the EU single market and customs union. The Trade and Cooperation Agreement gives zero tariffs and zero quotas only for goods that meet its rules of origin. Exporters still need UK export declarations and must meet EU import requirements. [1] [2] Ireland is an EU member state, so goods move within the single market and customs union without customs declarations or origin checks for intra-EU trade. [1]
Regulated and financial services
Can an authorisation be used across the EU?		 UK firms lost EU passporting rights for financial services at the end of the transition period. The agreement contains little on services, so serving EU clients usually needs an authorised entity inside the EU. [3] [4] A firm authorised in Ireland under EU single-market rules can passport its authorisation to other member states, subject to the notification procedure for its sector. General information
Personal data
Can EU personal data flow to the company freely?		 Yes, for now. On 19 December 2025 the European Commission renewed its UK adequacy decisions, so data can flow from the EEA to the UK without extra transfer tools until 27 December 2031, with a review after four years. [5] [6] The EU GDPR applies directly, and data moves within the EEA without any adequacy decision. [5]
Corporate income tax
What headline rate applies to profits?		 Main rate 25% on profits above £250,000; small profits rate 19% at £50,000 or less, with marginal relief in between. The thresholds are shared among associated companies. [7] 12.5% on trading income and 25% on non-trading (passive) income. Since 1 January 2024, groups with consolidated revenue of EUR 750 million or more pay a 15% minimum through the Qualified Domestic Top-up Tax and the Income Inclusion Rule. The Undertaxed Profits Rule followed from 2025. [8] [9]
VAT standard rate
What VAT rate applies to most sales?		 20% standard rate, 5% reduced rate. [10] 23% standard rate, with reduced rates of 13.5% and 9%, and a zero rate. [11] [12]
Directors and officers
Who must sit on the board?		 At least one director must be a natural person. Since 18 November 2025, directors and people with significant control must verify their identity with Companies House. New directors give their personal code on appointment or incorporation. [13] [14] Section 137 of the Companies Act 2014 requires at least one director resident in an EEA state; an alternate director does not count. Otherwise the company needs a non-resident director bond under section 137 or a section 140 certificate. [15] [16] [17]
Practical sequence
What usually comes first?		 Directors verify identity with Companies House → incorporation (online) → HMRC registrations for corporation tax, PAYE and VAT → bank account → EORI and customs set-up if moving goods to the EU. [13] EEA-resident director or section 137 bond in place → incorporation with the CRO → beneficial ownership register → Revenue registrations for tax and VAT → bank account. [16]
UNCERTAINTIES

What the evidence cannot settle

  • UK–EU arrangements continue to develop, including sector agreements under discussion. Check the current position for the specific goods or services.
  • Northern Ireland follows separate goods rules under the Windsor Framework; this map compares Great Britain with Ireland.
  • Irish trading versus non-trading classification turns on the facts. Passive or holding activity can attract 25%.
  • The UK adequacy decisions can be suspended or amended if the UK framework changes before 2031.
FOR YOUR ADVISERS

Questions needing qualified advice

  • Will the business move physical goods into the EU, and do they meet the agreement's rules of origin?
  • Does any activity need an EU authorisation (financial services, payments, insurance, medical devices)?
  • Is the group in scope of the global minimum tax, which narrows the rate gap for large groups?
  • Who will be the EEA-resident director for an Irish company, or is a section 137 bond preferable?
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Take it further

/ 03SOURCES17 SOURCES · CHECKED 12 NOV 2026
  1. EU-UK Trade and Cooperation Agreement · European Commission, Access2Markets · checked 12 Nov 2026
  2. Summary: the UK's new relationship with the EU · GOV.UK · checked 12 Nov 2026
  3. Just-in-time delivery of the EU-UK Trade and Cooperation Agreement · Reed Smith · 2021-01 · checked 12 Nov 2026
  4. Initial commentary on the new Trade and Cooperation Agreement · Herbert Smith Freehills Kramer · 2021-01 · checked 12 Nov 2026
  5. Commission renewed adequacy decisions for data transfers to the UK · eucrim · 2026-01-19 · checked 12 Nov 2026
  6. EU renews post-Brexit data decision · Law Society of Ireland Gazette · 2025-12-19 · checked 12 Nov 2026
  7. Corporation Tax rates and allowances · GOV.UK (HMRC) · checked 12 Nov 2026
  8. Ireland: Taxes on corporate income · PwC Worldwide Tax Summaries · checked 12 Nov 2026
  9. Ireland Highlights 2024 · Deloitte · 2024 · checked 12 Nov 2026
  10. VAT rates · GOV.UK · checked 12 Nov 2026
  11. Current VAT rates · Revenue Commissioners · checked 12 Nov 2026
  12. Indirect tax guide: Ireland · Grant Thornton · checked 12 Nov 2026
  13. Verifying your identity for Companies House · GOV.UK (Companies House) · checked 12 Nov 2026
  14. Identity verification and other company law aspects of ECCTA · DLA Piper · 2025-03 · checked 12 Nov 2026
  15. Duties of directors and secretaries · Companies Registration Office · checked 12 Nov 2026
  16. Information Leaflet 17: EEA-resident director requirement · Companies Registration Office · 2024-04 · checked 12 Nov 2026
  17. EEA directors and Brexit · Crowe Ireland · checked 12 Nov 2026

Prepared by Intelligence desk · AI-assisted research, sources checked 12 Nov 2026. Points marked "General information" are widely published practice and should be confirmed with qualified advisers. Not legal, tax, investment or financial advice. How research is reviewed · Report a correction