Tieto Indtech
TEAPPSXML is a structured e-invoice message format developed and owned by Tieto, a recognized leader in digital financial processes and B2B integration services across the Nordics and Europe.

TEAPPSXML – Powered by Tieto, aligned with EU standards
TEAPPSXML is a structured e-invoice message format developed and owned by Tieto, a recognized leader in digital financial processes and B2B integration services across the Nordics and Europe.
Designed to meet the complex needs of today’s business transactions, TEAPPSXML is based on real-world business processes and financial control requirements. This makes it a comprehensive and flexible invoice messaging standard, suitable for all types of businesses and invoice scenarios.
Backed by Tieto’s decades of expertise in e-invoicing and data exchange, TEAPPSXML is actively maintained and developed to stay aligned with industry standards, national regulations, and the evolving digital economy. The current version, TEAPPSXML 3.0, is fully compatible with the European e-invoicing norm (EN 16931)
TEAPPSXML 3.0
In Finnish
In English
Verkkopalvelutunnusohje/eInvoice Address Instructions
TEAPPSXML v.2.7.2 – Finvoice v.2.01 –vastaavuustaulukko
TEAPPSXML v.3.0 – Finvoice v.3.0 –vastaavuustaulukko Päivitetty 7.6.2021
Auto- ja vakuutusalan laskut TEAPPSXML –sanomaformaatissa (päivitetty dokumentti lisätään pian)
Energia-alan toimialakohtainen soveltamisohje TEAPPSXML v.3.0 -sanomaformaatissa