The Slovak Financial Administration (Finančná správa SR) has published two updated lists of e‑invoicing delivery service providers (“Digitálni poštári”) in March 2026, marking an important milestone in the rollout of the national e‑Faktúra system. The publications distinguish between providers still in the accreditation process and those that have already obtained full certification to operate under the Slovak e‑invoicing framework. [financnasprava.sk], [financnasprava.sk]
Providers in the accreditation process (as of 10 March 2026)
On 10 March 2026, the Financial Administration released an updated list of e‑invoicing delivery service providers currently undergoing accreditation. These providers are not yet authorised to operate as certified “digital postmen”, but are in the formal approval pipeline. [financnasprava.sk]
The Financial Administration notes that this list is continuously updated, reflecting ongoing accreditation assessments. [financnasprava.sk]
Fully certified e‑invoicing providers (as of 11 March 2026)
One day later, on 11 March 2026, the Financial Administration published a separate list of fully certified delivery service providers authorised to provide e‑invoicing services within the Slovak e‑Faktúra system. [financnasprava.sk]
At this stage, the certified list is significantly shorter and includes the following providers:
Each certified provider is assigned a unique Slovak PA SK identification number, confirming their authorisation to act as an official e‑invoicing delivery service provider. [financnasprava.sk]
Why these lists matter for businesses
Under the Slovak e‑Faktúra framework, taxable persons will be required to send and receive electronic invoices via a certified delivery service provider. From a practical perspective:
- Only providers on the certified list may be used for live e‑invoicing once obligations apply.
- Providers still in accreditation cannot yet be relied upon for compliance‑critical operations.
- Businesses selecting providers in 2026 should closely monitor movement from the accreditation list to the certified list.
This distinction is particularly relevant as Slovakia moves from voluntary use in 2026 toward mandatory domestic B2B e‑invoicing from 1 January 2027, with further expansion to cross‑border transactions in later phases. [financnasprava.sk]
Outlook
The publication of both lists signals that Slovakia is entering the operational phase of its e‑invoicing ecosystem. While the number of certified providers is still limited, the broader pipeline suggests rapid expansion in the coming months. Businesses are advised to factor certification status into provider selection and implementation planning throughout 2026.
Sources
- Financial Administration SR – List of providers in accreditation (10 March 2026):
https://www.financnasprava.sk/_img/pfsedit/Dokumenty_PFS/Podnikatelia/Dan_z_pridanej_hodnoty/efaktura/2026/2026.03.10_zoznam_certif.pdf [financnasprava.sk] - Financial Administration SR – List of certified providers (11 March 2026):
https://www.financnasprava.sk/_img/pfsedit/Dokumenty_PFS/Podnikatelia/Dan_z_pridanej_hodnoty/efaktura/2026/2026.03.11_zozn_certifik.pdf [financnasprava.sk]

Briefing document & Podcast: E-Invoicing and E-Reporting in Slovakia – VATupdate
- See also
- Join the Linkedin Group on Global E-Invoicing/E-Reporting/SAF-T Developments, click HERE
- Join the LinkedIn Group on ”VAT in the Digital Age” (VIDA), click HERE
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