Tax Pulse: Key Irish Tax Updates Businesses Need to Know

The latest Tax Pulse report highlights the most important tax developments impacting Irish businesses in 2026. From VAT reform to compliance trends, here’s what you need to know.

1. Strong Tax Performance and Increased Compliance

Ireland recorded €106 billion in tax receipts in 2025, alongside high levels of voluntary compliance and over 290,000 Revenue interventions.

Takeaway: Expect continued focus on compliance and targeted audits.

2. VAT Modernisation and eInvoicing

Mandatory eInvoicing and real-time reporting are on the way, with large businesses required to comply from November 2028.

Takeaway: Start preparing systems now to avoid disruption.

3. Changes to VAT Grouping Rules

VAT grouping is now limited to Irish entities, potentially bringing cross-border transactions into scope for VAT.

Takeaway: Review structures before the December 2026 transition deadline.

4. iXBRL Filing Update

From January 2026, only final signed financial statements will be accepted for iXBRL submissions.

Takeaway: Ensure accounts are completed within required timelines.

5. Revenue Updates and Key Deadlines

  • Extended Pay & File deadline to 18 November 2026
  • Incentives for energy-efficient investment extended to 2030
  • Key tax deadlines across April–June 2026

Takeaway: Plan ahead to stay compliant and maximise available reliefs.

The direction is clear – greater digitalisation, tighter rules, and more active enforcement. Early preparation will put your business in the strongest position to adapt and stay compliant.

At Fitzgerald Power, we’re committed to delivering practical guidance that makes tax easier to understand and act on. Tax Pulse is designed to give you quick, clear insights so you can make confident decisions and stay compliant without the stress.