Belgium made B2B e-invoices compulsory on 1 January 2026, and EU digital reporting for cross-border B2B sales starts on 1 July 2030.
Why this market is moving now
- Poland made KSeF mandatory for its largest businesses on 1 February 2026 and for the rest on 1 April 2026.
- France started its e-invoicing reform on 1 September 2026, with more than 4 million companies already registered for reception.
- Belgium made B2B structured e-invoices compulsory on 1 January 2026.
- EU digital reporting for cross-border B2B sales starts on 1 July 2030.
Key figures
Global figures for this market, with the year each one describes. Use Cite to copy a reference to this page.
| Figure | Value | Year | Cite |
|---|---|---|---|
| Italy's national e-invoice exchange system (SdI) handled 2.4 billion invoice files in 2025, up from 1.9 billion in 2020. | 2.4 billion files | 2025 | |
| 5.5 million taxpayers issued invoices through Italy's SdI in 2025, up from 3.9 million in 2020. | 5.5 million issuers | 2025 | |
| Poland's national e-invoice system (KSeF) held 512,750,280 invoices as of 30 June 2026. | 512,750,280 invoices | 2026 | |
| KSeF had 2,281,478 invoice issuers as of 30 June 2026. | 2,281,478 issuers | 2026 | |
| KSeF became mandatory on 1 February 2026 for Polish businesses with 2024 sales above PLN 200 million, and on 1 April 2026 for the rest. | 1 February 2026 | 2026 | |
| More than 4 million French companies had named an e-invoice reception address by the 1 September 2026 start of the French reform. | 4 million companies | 2026 | |
| Since 1 January 2026, all Belgian VAT-liable enterprises must use structured electronic invoices with each other. | 1 January 2026 | 2026 | |
| German businesses have had to be able to receive B2B e-invoices since 1 January 2025, with transition rules until the end of 2028. | 1 January 2025 | 2025 | |
| Saudi Arabia's e-invoicing integration phase, which links invoicing systems to the tax authority, started in waves from 1 January 2023. | 1 January 2023 | 2023 | |
| EU digital reporting requirements for cross-border B2B transactions apply from 1 July 2030 under the ViDA package. | 1 July 2030 | 2030 |
Calculated figures (shares, changes and prices per kilogram) are plain arithmetic on the reported values. Read how we work.
Companies to watch
OpenPeppol
Non-profit international association under Belgian law that runs the Peppol e-invoice delivery network; its listed Peppol authorities include bodies in Australia, Japan, Malaysia, New Zealand, Nigeria, Oman and Singapore (
What the full report covers
- 01Executive summary
The answer in one page: size, direction and what moves it - 02Market definition and scope
What is in and out of the global market - 03Global market size, 2021 to 2025
Historical series and growth rates - 04Countries and regions
Demand, supply and trade by country and region - 05Outlook to 2031
Base, low and high scenarios with stated assumptions - 06Rules, policy and deadlines
Regulation and programmes that change demand - 07Drivers and barriers
What accelerates or slows adoption, by customer segment - 08Prices, costs and margins
Unit economics where public data allows - 09Competitive landscape
8 to 12 company profiles with recent moves - 10Opportunities and risks
For new entrants, suppliers and investors - 11Method and assumptions
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Frequently asked questions
How big is the global e-invoicing market?
National systems give the clearest volumes. Italy's SdI handled 2.4 billion e-invoice files in 2025. Poland's KSeF held 512,750,280 invoices by 30 June 2026.
Which countries require B2B e-invoicing?
Germany has required businesses to receive e-invoices since 1 January 2025. Belgium made B2B e-invoices compulsory on 1 January 2026, Poland made KSeF mandatory from 1 February 2026, and Saudi Arabia began its integration phase in waves from 1 January 2023.
How many businesses use national e-invoicing systems?
5.5 million taxpayers issued invoices through Italy's SdI in 2025. KSeF in Poland had 2,281,478 issuers by 30 June 2026, and more than 4 million French companies had named a reception address by 1 September 2026.
When does EU ViDA digital reporting start?
EU digital reporting requirements for cross-border B2B transactions apply from 1 July 2030.
When did the French e-invoicing reform start?
The French reform started on 1 September 2026. By then more than 4 million companies had named an e-invoice reception address.
How fast are e-invoice volumes growing?
Italy's SdI handled 2.4 billion invoice files in 2025, up from 1.9 billion in 2020. Issuers rose from 3.9 million to 5.5 million over the same years.
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