Konsultointi Arttu Oy, VAT ID FI21665300 — Verified
Active and verified against VIES as of 8 Sep 2026.
Confirmed against VIES on 8 Sep 2026, 21:07 UTC
Check ID: 01a082d8-968a-7ed8-b073-ccf887c4f8b4
VAT ID
FI21665300
Y-tunnus
2166530-0
Company
Konsultointi Arttu Oy
Address
Koivurinne 14 B
01680 VANTAA
FINLAND
VAT rates in Finland (EUR)
Standard
25.5%
Reduced
13.5%
Reduced
10%
VAT rates as of 9 Nov 2026
How FI21665300 is built
The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 21665300, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 2166530-0.
For Konsultointi Arttu Oy, its Y-tunnus is 2166530-0.
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>.
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<script async src="https://vatnode.dev/badge.js"></script> <span data-vatnode-vat="FI21665300"></span>
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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/FI21665300" \ -H "Authorization: Bearer YOUR_API_KEY"
{
"valid": true,
"vatId": "FI21665300",
"countryCode": "FI",
"countryName": "Finland",
"companyName": "Konsultointi Arttu Oy",
"companyAddress": "Koivurinne 14 B\n01680 VANTAA",
"companyRegistrationDate": null,
"companyForm": null,
"industryDescription": null,
"registryCode": "2166530-0",
"registryCodeName": "Y-tunnus",
"taxId": "2166530-0",
"taxIdName": "Y-tunnus",
"registryPrivacy": false,
"website": null,
"commercialName": null,
"companyStatus": null,
"secondaryActivities": [],
"companyAgeYears": null,
"consultationNumber": null,
"specialTerritory": null,
"verifiedAt": "2026-09-08T21:07:07.531Z",
"checkId": "01a082d8-968a-7ed8-b073-ccf887c4f8b4",
"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": "2026-11-09"
}
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