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United Kingdom e-Invoicing

Updated 26 November 2025

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In-depth mandate analysis, timeline, exemptions, and vendor selection

B2B

planned

from 1 April 2029

Mandatory e-invoicing for VAT from 1 April 2029. Implementation may be phased, potentially starting with larger businesses. Detailed roadmap due at Budget 2026 (November 2026).

B2C

none

B2G

phased

Partial sectoral mandates (e.g., NHS). No single nationwide B2G mandate yet.

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Standards:

Peppol (expected)

EN 16931 compliance expected

HMRC Making Tax Digital (MTD) for VAT reporting

Supported Formats:

Peppol BIS Billing 3.0 (expected)

Final format specifications to be confirmed in November 2026 roadmap

Clearance Model:

Decentralised 4-corner Peppol model expected. No government clearance or real-time e-reporting obligations. Invoices exchanged via certified access points without tax authority pre-approval.

Archiving Requirements:

6 years retention per HMRC VAT Notice 700/21 ; 10 years for VAT OSS/MOSS schemes; digital record keeping required under Making Tax Digital; offshore storage permitted if records accessible to HMRC.

N/A

UK focuses on MTD and digital VAT reporting; no SAF-T replacement widely adopted

Making Tax Digital (MTD) rollout for VAT

Tax reporting

MTD requires digital records and compatible software for VAT-registered businesses.

Public consultation launched on promoting e-invoicing nationwide

13 February 2025

Policy

UK government opened consultations to explore increased adoption and potential standardisation of e-invoicing.

UK Budget 2025 confirms mandatory e-invoicing from April 2029

26 November 2025

B2B

UK Budget 2025 confirms all VAT-registered businesses must use e-invoicing from 1 April 2029. A 4-corner Peppol model is expected without e-reporting obligations. Implementation may be phased, potentially starting with larger businesses.

Detailed e-invoicing roadmap due at Budget 2026

1 November 2026

Policy

Full technical specifications, format requirements, phasing approach, and implementation timeline to be published at November 2026 Budget following stakeholder consultation.

Mandatory e-invoicing for VAT commences

1 April 2029

B2B

E-invoicing requirement takes effect. May begin with larger businesses if phased approach is adopted. Expected to reduce administrative burden, improve payment cycles, and align with international standards.