Is FI05341234 a valid VAT number?

Yes, as of 9 Sep 2026. FI05341234 is an active, valid EU VAT number registered to J.W. Helenius Oy in Finland, confirmed against VIES, which queries the national VAT database.

What is the VAT rate for FI05341234?

Finland applies a standard ALV rate of 25.5%, with reduced rates of 10%, 13.5%. Rates are sourced from the EU Commission TEDB.

Can I get a VIES consultation number for FI05341234?

A VIES consultation number is the reference the EU VIES system issues to document who checked a VAT number and when. It is returned on authenticated vatnode API calls where the caller sets their own EU VAT as the requester, so it evidences your own check during an audit.

J.W. Helenius Oy, VAT ID FI05341234 — Verified

Active and verified against VIES as of 9 Sep 2026.

Confirmed against VIES on 9 Sep 2026, 08:07 UTC
Check ID: 01a08534-f079-73a3-aa42-dc3dcceb05fb

VAT ID

FI05341234

Finland

Y-tunnus

0534123-4

Company

J.W. Helenius Oy

Address

c/oMioka Helenius Valliraitti 7 C 14
01280 VANTAA
FINLAND

VAT rates in Finland (EUR)

Standard

25.5%

Reduced

13.5%

Reduced

10%

VAT rates as of 6 Nov 2026

How FI05341234 is built

The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 05341234, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 0534123-4.

For J.W. Helenius Oy, its Y-tunnus is 0534123-4.

Other checked VAT numbers in Finland

Embed this verification on your site

Paste the inline tag where the badge should appear (impressum, footer, About page) and drop the script anywhere on the same page – it works even if your framework moves <script> to the end of <body>.

Preview

Verify on vatnode

Snippet

HTML

<script async src="https://vatnode.dev/badge.js"></script>
<span data-vatnode-vat="FI05341234"></span>

Loads asynchronously, ~1.5 KB gzipped, no tracking, no dependencies. The badge links to this page, which shows the result stored for FI05341234 as of 9 Sep 2026.

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Request

curl "https://api.vatnode.dev/v1/vat/FI05341234" \
  -H "Authorization: Bearer YOUR_API_KEY"

ResponseStored result of 9 Sep 2026 · 200 OK

{
  "valid": true,
  "vatId": "FI05341234",
  "countryCode": "FI",
  "countryName": "Finland",
  "companyName": "J.W. Helenius Oy",
  "companyAddress": "c/oMioka Helenius Valliraitti 7 C 14\n01280 VANTAA",
  "companyRegistrationDate": null,
  "companyForm": null,
  "industryDescription": null,
  "registryCode": "0534123-4",
  "registryCodeName": "Y-tunnus",
  "taxId": "0534123-4",
  "taxIdName": "Y-tunnus",
  "registryPrivacy": false,
  "website": null,
  "commercialName": null,
  "companyStatus": null,
  "secondaryActivities": [],
  "companyAgeYears": null,
  "consultationNumber": null,
  "specialTerritory": null,
  "verifiedAt": "2026-09-09T08:07:14.297Z",
  "checkId": "01a08534-f079-73a3-aa42-dc3dcceb05fb",
  "source": "VIES",
  "countryVat": {
    "vatName": "Arvonlisävero",
    "vatAbbr": "ALV",
    "currency": "EUR",
    "standardRate": 25.5,
    "reducedRates": [
      13.5,
      10
    ],
    "superReducedRate": null,
    "parkingRate": null,
    "vatNumberFormat": "FI + 8 digits",
    "vatNumberPattern": "^FI\\d{8}$",
    "identifiers": {
      "registryAuthorityName": {
        "fi": "Patentti- ja rekisterihallitus",
        "sv": "Patent- och registerstyrelsen",
        "en": "Finnish Patent and Registration Office"
      },
      "registryName": {
        "fi": "kaupparekisteri",
        "sv": "handelsregistret",
        "en": "Trade Register"
      },
      "registryCodeName": {
        "fi": "Y-tunnus",
        "sv": "FO-nummer",
        "en": "Business ID"
      },
      "taxIdName": {
        "fi": "Y-tunnus",
        "sv": "FO-nummer",
        "en": "Business ID"
      },
      "vatIdName": {
        "fi": "arvonlisäverotunniste",
        "sv": "momsnummer",
        "en": "VAT number"
      }
    },
    "countryVatUpdatedAt": "2026-11-06"
  }
}

Need a VIES Consultation Number?

This public check doesn't issue a VIES consultation number, the reference that documents who checked a VAT number and when. Authenticated API calls that set your own EU VAT as the requester return one.

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