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Peppol e-Invoicing to the Greek Public Sector

Powered by Oxygen, the only certified Greek Peppol Access Point for foreign suppliers.

E-invoicing requirements in Greece

From June 1, 2024, all suppliers to the Greek public sector, including companies based outside of Greece, are required to send invoices exclusively via the Peppol network, using the official GRCI format. This regulation applies to both goods and services, regardless of contract size or supplier origin.

The first Greek provider for foreign suppliers
Oxygen is the only Greek e-invoicing provider authorized to send invoices on behalf of foreign suppliers to the Greek public sector, via Peppol and is fully aligned with the GRCI requirements defined by the Greek Tax Authority (AADE).

Our solution includes:

  • Full compliance with Greek invoicing law
  • Direct connection to the Peppol network via official Access Point
  • Support for GRCI format as defined by AADE
  • Simple submission process, no technical complexity
  • Bilingual support in Greek and English
Who is the Oxygen Peppol AP service for?
Companies based outside of Greece that hold contracts with the Greek public sector
Foreign suppliers invoicing ministries, hospitals, municipalities, universities, etc.
Peppol Access Point
Direct transmission of invoices to the Greek government
GRCI Format Compliance
Compatible with the format required by Greek authorities
Reporting & History
Complete records of the e-invoice submissions
Technical Support
English and Greek-speaking support team available
Your direct link to the Greek public sector, with certified Oxygen Peppol Access Point
Fully certified & legally compliant

Oxygen complies with the European eInvoicing standard EN 16931, the Greek legal framework (Joint Ministerial Decision FEK B’ 2385/12.04.2023 and Law 52445/2023) and is registered Peppol Access Point and a Certified Greek e-Invoicing Provider (B2B & B2G)

How it works
in 4 simple steps
01
You issue an invoice for a Greek public entity
02
Oxygen verifies format and legal compliance
03
We convert the invoice into GRCI and transmit it via Peppol
04
You receive a confirmation of successful delivery and a status update
Use case examples
Example A:
A French supplier provides cleaning products to a public hospital in Greece. Under the new law, the invoice must be submitted electronically via Peppol using the GRCI format.
  1. Client contacts Oxygen
  2. The invoice is sent to Oxygen
  3. We handle the GRCI formatting and submit it through Peppol
  4. We provide full confirmation back to the client
Example B:
A performing arts company from Spain participates in a Greek cultural festival organized by a state theater. After the event, they need to invoice the organizer, a Greek public entity.
  1. Client contacts Oxygen
  2. The invoice is sent to Oxygen
  3. We handle the GRCI formatting and submit it through Peppol
  4. The client receives official confirmation and can proceed with the payment
No Greek VAT required. Invoices can be submitted using your EU VAT number or international tax ID. No Greek VAT registration is needed.