E-invoicing in Ireland: Complete Guide

Current E-invoicing Framework in Ireland

Ireland is moving from a limited public sector e-invoicing framework to a broader VAT digitalisation model. Today, the Irish rules are still relatively narrow: there is no general domestic e-invoicing mandate for businesses, but public sector bodies must be able to receive and process structured electronic invoices under the European standard.

At the same time, Revenue has now published a phased VAT modernisation roadmap that will introduce mandatory domestic B2B e-invoicing for large corporates from 1 November 2028, ahead of the wider EU VAT in the Digital Age (ViDA) changes.

B2G E-invoicing in Ireland

Ireland is one of the few countries without a supplier-side B2G or B2B e-invoicing mandate, along with Cyprus and Malta.

The country has limited to transpose Directive 2014/55/EU, so since 12 June 2019, Irish public sector entities must be able to receive and process structured electronic invoices that comply with the European standard EN 16931. This means the legal obligation currently sits on the public sector receiver, but there is no general obligation on suppliers to issue e-invoices.

Therefore, all public contracting authorities must accept and process electronic invoices that comply with the European standard for public procurement contracts above the EU procurement thresholds. In practice, suppliers to the public sector should be prepared to issue structured e-invoices, particularly where a contracting authority requests them as part of its procurement or payment process.

Ireland uses the Peppol exchange network as its operating model for B2G e-invoicing. Also, the e-invoicing format follows the Peppol BIS Billing 3.0, with certain Irish public sector implementations applying additional specifications or CIUS requirements in specific sectors. This means businesses supplying Irish public bodies should check not only EN 16931 compliance, but also whether the receiving entity has any implementation-specific data requirements.

The Irish approach is decentralised. Rather than relying on a single national clearance platform, public bodies use shared service models and Peppol-enabled solutions to receive and process e-invoices. The Office of Government Procurement also acts as the Irish Peppol Authority, supporting the national framework and coordination of e-invoicing developments.

Marosa can help businesses connect to the Peppol network and issue compliant e-invoices.

B2B E-invoicing in Ireland

At present, Ireland does not impose a general domestic B2B e-invoicing obligation. Electronic invoicing between private businesses remains voluntary and is typically based on agreement between the parties. There is also currently no VAT real-time reporting system in operation for e-invoicing in Ireland.

However, Irish Revenue has already announced a VAT modernisation plan as a phased move to e-invoicing and digital reporting of VAT transaction data, intended to align Ireland’s VAT reporting with the EU ViDA framework and modern business practice. Across all phases, starting from November 2028, businesses must ensure that they are able to receive e-invoices from suppliers.

Ireland’s VAT Modernisation Roadmap

VAT Modernisation roadmap includes a three-phase implementation plan for e-invoicing and real-time reporting in Ireland:

• Phase 1 – November 2028: Mandatory e-invoicing and real-time reporting for large VAT-registered corporate entities for domestic B2B transactions.
• Phase 2 – November 2029: Expansion of the obligation to all VAT-registered businesses engaged in cross-border EU B2B trade, allowing them to familiarise themselves with the system before the EU-wide rollout.
• Phase 3 – July 2030: Full implementation of ViDA eInvoicing and real-time reporting for all cross-border EU B2B transactions.

The initial announcement was made on October 2025. Take a look at the press release.

Additionally, on 10 February 2026, Irish Revenue confirmed the large corporates that will fall within Phase One of Ireland’s VAT modernisation programme:

• VAT-registered large corporates that are managed by Revenue’s Large Corporates Division, and
• established, or have a fixed establishment in Ireland.

From 1 November 2028, those Irish VAT-registered large companies will be required to issue e-invoices and report a subset of relevant data to Revenue for domestic B2B transactions. From that same date, all businesses in Ireland must be able to receive structured e-invoices.

Revenue also states that in-scope businesses will need to issue invoices in a structured electronic format, such as XML, that complies with EN 16931, and that PDFs and scanned paper documents will not meet the e-invoicing requirement. Revenue presents this early phase as a preparation step for the broader EU digital reporting framework that will apply to cross-border intra-EU trade from July 2030.

This roadmap reflects the broader Irish policy direction already outlined by Revenue in its ViDA and VAT modernisation materials. Revenue has said that its initial public consultation covered the reform of B2B and B2G VAT reporting, supported by e-invoicing, and that the new model will be introduced gradually, starting with large corporates and eventually extending to all VAT-registered businesses. Take a look at the press release.

How Marosa Can Help Businesses with E-invoicing in Ireland

As Ireland moves toward mandatory structured e-invoicing and digital VAT reporting, businesses will need practical solutions that support both current B2G requirements and future B2B obligations. Marosa can help businesses connect to the Peppol network, issue and receive structured e-invoices, and align invoice data with the EN 16931 standard used in Ireland’s public sector and referenced in Revenue’s VAT modernisation plans. This can support compliance for companies already invoicing public bodies and help them prepare for the phased domestic B2B rollout from November 2028.

As a conclusion, Ireland is no longer a market where e-invoicing can be treated as a purely optional future topic. While the country’s current framework is still centred on public sector receipt of EN 16931-compliant invoices, Revenue has now set a clear path toward mandatory domestic B2B e-invoicing and VAT data reporting, beginning with large corporates from 1 November 2028. For multinational groups and other VAT-registered businesses, the priority now is to understand the existing B2G position, prepare systems for structured invoice exchange, and plan ahead for Ireland’s next phase of VAT digitalisation.