Rosantek Oy, VAT ID FI31903739 — Verified
Active and verified against VIES as of 11 Sep 2026.
Confirmed against VIES on 11 Sep 2026, 09:45 UTC
Check ID: 01a08fdb-9f32-7fe3-8837-8aad79138f57
VAT ID
FI31903739
Y-tunnus
3190373-9
Company
Rosantek Oy
Company type
Limited company
Founded
12 Feb 2021
Industry
Business and other management consultancy activities
Address
Perttulankatu 31
05900 HYVINKÄÄ
FINLAND
VAT rates in Finland (EUR)
Standard
25.5%
Reduced
13.5%
Reduced
10%
VAT rates as of 10 Nov 2026
The registry details on this page come from the Finnish Patent and Registration Office (PRH) open data, published under CC BY 4.0, and were retrieved no earlier than the check time above. The company name and address come from VIES.
How FI31903739 is built
The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 31903739, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 3190373-9.
For Rosantek Oy, its registered company type is Limited company; the national register or authority record gives a registration date of 12 Feb 2021, 5 years before the check; its Y-tunnus is 3190373-9.
Related: Finland VAT number format · VAT number formats in the EU · EU VAT rates · What is VIES · VAT audit trail · Finland VAT API
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
Snippet
<script async src="https://vatnode.dev/badge.js"></script> <span data-vatnode-vat="FI31903739"></span>
Loads asynchronously, ~1.5 KB gzipped, no tracking, no dependencies. The badge links to this page, which shows the result stored for FI31903739 as of 11 Sep 2026.
Validating VAT in your app? Use the VAT validation API — 100 free calls, no credit card required.
Get API Keycurl "https://api.vatnode.dev/v1/vat/FI31903739" \ -H "Authorization: Bearer YOUR_API_KEY"
{
"valid": true,
"vatId": "FI31903739",
"countryCode": "FI",
"countryName": "Finland",
"companyName": "Rosantek Oy",
"companyAddress": "Perttulankatu 31\n05900 HYVINKÄÄ",
"companyRegistrationDate": "2021-02-12",
"companyForm": "Limited company",
"industryDescription": "Business and other management consultancy activities",
"registryCode": "3190373-9",
"registryCodeName": "Y-tunnus",
"taxId": "3190373-9",
"taxIdName": "Y-tunnus",
"registryPrivacy": false,
"website": null,
"commercialName": null,
"companyStatus": null,
"secondaryActivities": [],
"companyAgeYears": 5,
"consultationNumber": null,
"specialTerritory": null,
"verifiedAt": "2026-09-11T09:45:30.163Z",
"checkId": "01a08fdb-9f32-7fe3-8837-8aad79138f57",
"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"
}
}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.
Validate a different VAT ID
Automate this in your app
Use the vatnode API to automate VAT validation in your invoicing or checkout flow. Free plan available, no credit card required.