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Melomate UG (haftungsbeschränkt)

VAT ID Validation & Order Compliance

by Melomate UG (haftungsbeschränkt)
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MelomVatIdValidator
MelomVatIdValidator
MelomVatIdValidator
MelomVatIdValidator
Real-time VAT ID checks on address/VAT edits and registration. Block or flag invalid orders. Official systems: BZSt, VIES, HMRC, Swiss UID/ESTV. Address match or validity-only.
Expected release: January 2026
Coming soon
Compatible with:
Self-hosted
Includes:
The subscription starts with a free trial month during which it can be canceled at any time.
During the subscription all released updates are included for free
In case you have any questions or problems with your extension you can always ask the Extension Partner for help during the subscription.

Description

Highlights

  • Validates during registration
  • Rule Builder “Valid VAT ID”
  • Flow Builder: auto-assign B2B group/net pricing
  • Official systems: BZSt (DE), VIES (EU), HMRC (GB), UID/ESTV (CH)
  • Audit-proof logs and configurable order control

Features

  • Real-time checks on address and VAT ID edits
  • Validation during customer registration
  • Two modes: address match or validity-only
  • Block orders or proceed with a warning flag
  • Rule Builder rule: “Valid VAT ID”
  • Flow Builder automations (e.g., assign B2B group)
  • Enable net pricing based on a valid VAT ID
  • Supports DE (BZSt), EU (VIES), GB (HMRC) and CH (UID/ESTV)
  • Uses official authority services: BZSt, VIES, HMRC, UID/ESTV
  • Persist validation status on order and customer
  • Complete logging with timestamp, source and response
  • Clear messages for invalid or unverifiable VAT IDs
  • Checks in checkout and the customer account
  • Configurable behavior for invalid VAT IDs
  • Easy, code-free administration

About the Extension

Real-time VAT ID validation – compliant ordering

Validate VAT IDs automatically on every address/VAT change and already during registration. Prevent faulty B2B orders or flag them for review — using official services.


  • Two modes: address match or validity-only
  • Regions: DE, EU, GB and CH
  • Official systems: BZSt (DE), VIES (EU), HMRC (GB), UID/ESTV (CH)
  • Order control: block orders or proceed with a warning
  • Seamless: checks on each address/VAT edit and at registration


Automation with Rule & Flow Builder

  • New Rule Builder rule: “Valid VAT ID”
  • Example flow: after registration, auto-assign the B2B customer group so net prices are shown immediately


Audit & compliance

  • Audit-proof logging of every request with timestamp, source and response
  • Transparent markers on orders/customers when invalid


Benefits

  • Less manual verification and back-and-forth
  • Reduced tax/compliance risk in B2B
  • Solid evidence for internal and external audits

Details

  • Available: English, German
  • Category: B2B extensions

About the Extension Partner

Melomate UG (haftungsbeschränkt)

Melomate UG (haftungsbeschränkt)

See all extensions

Partner Status

  • Shopware Extension Partner Shopware
    Extension Partner

Details

  • Ø-Rating: 5
  • Partner since: 2024
  • Extensions: 7

Support

  • Based in: Germany
  • Speaks: German, English
  • Response time: Very quickly