MSSK Holding Oy, VAT ID FI34303878 — Verified

Active and verified against VIES as of 14 Sep 2026.

Confirmed against VIES on 14 Sep 2026, 02:00 UTC
Check ID: 01a09da5-014b-73a0-ad00-e92f60fa7cb4

VAT ID

FI34303878

Finland

Y-tunnus

3430387-8

Company

MSSK Holding Oy

Address

Tikinmaantie 66
37630 VALKEAKOSKI
FINLAND

VAT rates in Finland (EUR)

Standard

25.5%

Reduced

13.5%

Reduced

10%

VAT rates as of 10 Nov 2026

How FI34303878 is built

The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 34303878, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 3430387-8.

For MSSK Holding Oy, its Y-tunnus is 3430387-8.

Related: Finland VAT number format · VAT number formats in the EU · EU VAT rates · What is VIES · VAT audit trail · Finland VAT API

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

Snippet

HTML
<script async src="https://vatnode.dev/badge.js"></script>
<span data-vatnode-vat="FI34303878"></span>

Loads asynchronously, ~1.5 KB gzipped, no tracking, no dependencies. The badge links to this page, which shows the result stored for FI34303878 as of 14 Sep 2026.

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Get API Key
Request
curl "https://api.vatnode.dev/v1/vat/FI34303878" \
  -H "Authorization: Bearer YOUR_API_KEY"
ResponseStored result of 14 Sep 2026 · 200 OK
{
  "valid": true,
  "vatId": "FI34303878",
  "countryCode": "FI",
  "countryName": "Finland",
  "companyName": "MSSK Holding Oy",
  "companyAddress": "Tikinmaantie 66\n37630 VALKEAKOSKI",
  "companyRegistrationDate": null,
  "companyForm": null,
  "industryDescription": null,
  "registryCode": "3430387-8",
  "registryCodeName": "Y-tunnus",
  "taxId": "3430387-8",
  "taxIdName": "Y-tunnus",
  "registryPrivacy": false,
  "website": null,
  "commercialName": null,
  "companyStatus": null,
  "secondaryActivities": [],
  "companyAgeYears": null,
  "consultationNumber": null,
  "specialTerritory": null,
  "verifiedAt": "2026-09-14T02:00:31.820Z",
  "checkId": "01a09da5-014b-73a0-ad00-e92f60fa7cb4",
  "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": "2026-11-10"
  }
}

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