Find the legal company
Start with a name, jurisdiction and company identifiers before relying on a tax number.
Read the VAT-number guideTHE VATFIND FIELD GUIDE
VAT number and company guides.
Know what each source proves.
Practical, source-linked guidance for finding VAT numbers and EINs, resolving the right legal entity, interpreting result states, and keeping a reviewable evidence record.
START HERE
What does a VAT
match tell you?
How company-record matching differs from a separate authority status response.
Understand the resultLOOKUP
IS ONLY PART
OF THE PICTURE.
IS ONLY PART
OF THE PICTURE.
Separate lookup from validation
See what a company-record match proves and when an authority response is a separate control.
Compare the evidenceWork country by country
Use the identifier directory to compare formats, issuing authorities and coverage notes.
Open country coverageImplement the result
Preserve format, company match, authority status and legal status as independent fields.
Read result semanticsA REVIEWABLE CHECK
Keep four evidence layers separate.
The guides use the same operating model so a reviewer can see the source, result and decision without reverse-engineering a single pass/fail label.
- 01Submitted evidenceName, number, document and jurisdiction supplied.
- 02Legal companyEntity, registration number, address and source resolved.
- 03Authority responseSeparate official result where the workflow requires it.
- 04Your decisionPolicy outcome, exceptions, reviewer and retained evidence.
Useful answers, without the jargon.
7 practical guides · individual review dates shownVATFIND / FIELD NOTES
Enterprise integration
VAT Lookup API: Supplier Onboarding Integration Guide
Integrate a VAT lookup API for supplier onboarding. Compare entity matching, country coverage, authority status, retry behaviour, usage costs and retained evidence.
VATFIND / FIELD NOTES
Getting started
How to Find a Company VAT Number
Learn where to find a company VAT number, search by legal name, compare invoice details and resolve missing numbers before checking registration status.
VATFIND / FIELD NOTES
Understanding results
VAT lookup vs. VAT validation
Understand the difference between VAT number lookup, company-record matching and live tax-authority validation, including the evidence each result provides.
VATFIND / FIELD NOTES
United Kingdom
Check a UK VAT Number: HMRC, Companies House and Evidence
Check a UK VAT number with HMRC, compare the returned business with Companies House and keep each source distinct in a reviewable workflow.
VATFIND / FIELD NOTES
United States
EIN Lookup: Find a US Company by Tax ID
Learn how EIN lookup works, find the US company behind a tax ID, compare W-9 details and understand when IRS TIN Matching is the appropriate next step.
VATFIND / FIELD NOTES
VIES troubleshooting
VIES VAT Check: Invalid Number or Service Unavailable?
Understand why VIES can return an invalid VAT number or an unavailable service response, what each state means, and which evidence to check next.
VATFIND / FIELD NOTES
Evidence and audit
How to keep proof of a VAT number check
Build a reviewable VAT-check evidence record with the submitted number, authority or company source, timestamp, returned identity, reference and decision.
Written for product users, with links to official sources. These guides explain the lookup process and do not replace professional tax or legal advice.
VAT LOOKUP GUIDE QUESTIONS
Find the guide for the evidence you need.
Concise answers about VAT lookup, validation, UK VAT numbers, EINs, and evidence retention.
What VAT lookup guides does VATFind publish?
VATFind publishes practical guides for finding a company VAT number, comparing VAT lookup with validation, checking UK VAT evidence, and finding or interpreting US EIN company records. The guide index links to the current set.
How do I find a VAT number from a company name?
Start with the legal company name and jurisdiction, search relevant company records, compare the candidates, and retain the selected source and retrieval time. The dedicated guide explains how trading names and ambiguous records should be handled.
What is the difference between VAT lookup and VAT validation?
Lookup helps discover or associate a number with a company record. Validation can mean format checking, company-record matching, or a current tax-authority response; the guide separates those questions so one is not misrepresented as another.
How can I check a UK VAT number?
Separate structural format, company-record association, and the current response from the applicable official service. Retain the submitted number, company details, source, time, and any authority evidence required by the decision.
Can I find an EIN by US company name?
VATFind can search supported company records and return an EIN when the selected source supplies one. Public EIN availability is not universal, and a missing result is not proof that the organization has no EIN.
Are VATFind guides tax or legal advice?
No. The guides explain research, company matching, evidence handling, and product boundaries. Use current authority guidance and professional advice for tax treatment, filing, or legal conclusions.
CHOOSE YOUR TASK
Find a VAT number. Or check one.
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