vat.tools
Menu
← All Use CasesAccounting & CASFor Accounting Firms & Tax Advisors

Protect client workpapers and EC Sales Lists with contemporaneous audit proof.

Accounting practices prepare monthly VAT declarations and recapitulative statements for dozens of corporate clients. When clients submit invoices containing cancelled or mismatched counterparty tax records, tax auditors disallow zero-rated sales and input deductions, exposing firms to client disputes and professional indemnity claims.

Start free verificationTest live sandbox
Accounting & Tax Advisory architectural workflow
100%Consultation ProofOfficial consultation numbers issued under Regulation 904/2010 Article 31 for every counterparty check.
40%Negligence Penalties AvoidedNational tax authorities levy severe surcharges when recapitulative statements contain unverified counterparties.
ZeroManual Portal LookupsBulk automated reconciliation replaces manual lookups on national portals for client files.
The Business Risk

The Client Batch Audit Liability Trap

At monthly and quarterly close, accounting firms process thousands of client sales and purchase invoices across Datev, Pennylane, Cegid, and Xero. Clients frequently zero-rate cross-border transactions without verifying counterparty credentials. When national revenue auditors examine EC Sales Lists three years later, unverified exemptions collapse retroactively.

  • Clients apply zero percent reverse charge to buyers who submitted mistyped, expired, or domestic tax identifiers.
  • Clients claim input tax deductions on purchase invoices issued by deregistered suppliers or suspected missing trader shell companies.
  • Staff cannot manually verify ten thousand invoices on the public VIES portal every quarter, leaving workpapers exposed to audit disallowance.
Financial Impact of Failure€120,000–€350,000Typical retroactive tax assessments, penalties, and professional indemnity claims across an accounting firm client portfolio during a multi-year audit.
How VAT.tools Solves It

Automated Pre-Filing Screening and Audit Workpapers

VAT.tools enables accounting teams to run bulk verification jobs over client transaction files, validating active tax registrations, matching legal entity names against company registers, and archiving official consultation proof.

  • Pre-Filing Bulk Screening

    Upload client invoice batches or connect accounting software through API routes to validate counterparty records before submitting EC Sales Lists.

  • Official Consultation Numbers

    Archive official VIES consultation identifiers for every query under Council Regulation 904/2010 Article 31, proving validity at the exact transaction date.

  • Company Register Identity Matching

    Verify that the counterparty name and registered office address match official national records in France, the United Kingdom, Ireland, and Estonia.

Recommended Integration Paths
Bulk CSV verification jobsOfficial consultation export vaultCompany claim checks
Verification Architecture

Source Provenance and Evidence Discipline

VAT.tools never guesses. Every check queries certified official registers and tax authorities, returning an immutable verification record with source timestamps and legal citations attached.

Structured batch validation report

Pre-Filing Bulk Screening

Upload client invoice batches or connect accounting software through API routes to validate counterparty records before submitting EC Sales Lists.

Cryptographic consultation receipt

Official Consultation Numbers

Archive official VIES consultation identifiers for every query under Council Regulation 904/2010 Article 31, proving validity at the exact transaction date.

Company register observation snapshot

Company Register Identity Matching

Verify that the counterparty name and registered office address match official national records in France, the United Kingdom, Ireland, and Estonia.

Statutory and Regulatory Basis

The European directives, court decisions, and national laws governing this workflow.

Council Implementing Regulation (EU) No 282/2011Article 18(1)
Suppliers must obtain confirmation of the validity of the VAT number and the associated name and address from the tax authority.
Unconfirmed numbers require treating the transaction as a consumer sale subject to domestic VAT.
Council Directive (EU) 2018/1910 (Quick Fixes)Article 138(1)
Possessing a valid VIES VAT number and correct inclusion in the recapitulative statement are substantive conditions for zero-rating.
Exemptions fail automatically if counterparty credentials cannot be proven valid at the supply date.

Ready to eliminate European tax complexity?

Create an organization account and start verifying counterparties in sandbox or live environments.

Create your accountRead API reference