Sisäpiiri Oy, VAT ID FI18279425 — Verified
Active and verified against VIES as of 11 Sep 2026.
Confirmed against VIES on 11 Sep 2026, 07:54 UTC
Check ID: 01a08f76-035b-7348-8f5b-d915e0f84dc7
VAT ID
FI18279425
Y-tunnus
1827942-5
Company
Sisäpiiri Oy
Company type
Limited company
Founded
12 Jun 2003
Industry
Construction of residential and non-residential buildings
Address
Kaukolanraitti 39
48410 KOTKA
FINLAND
VAT rates in Finland (EUR)
Standard
25.5%
Reduced
13.5%
Reduced
10%
VAT rates as of 9 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 FI18279425 is built
The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 18279425, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 1827942-5.
For Sisäpiiri Oy, its registered company type is Limited company; the national register or authority record gives a registration date of 12 Jun 2003, 23 years before the check; its Y-tunnus is 1827942-5.
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
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{
"valid": true,
"vatId": "FI18279425",
"countryCode": "FI",
"countryName": "Finland",
"companyName": "Sisäpiiri Oy",
"companyAddress": "Kaukolanraitti 39\n48410 KOTKA",
"companyRegistrationDate": "2003-06-12",
"companyForm": "Limited company",
"industryDescription": "Construction of residential and non-residential buildings",
"registryCode": "1827942-5",
"registryCodeName": "Y-tunnus",
"taxId": "1827942-5",
"taxIdName": "Y-tunnus",
"registryPrivacy": false,
"website": null,
"commercialName": null,
"companyStatus": null,
"secondaryActivities": [],
"companyAgeYears": 23,
"consultationNumber": null,
"specialTerritory": null,
"verifiedAt": "2026-09-11T07:54:31.131Z",
"checkId": "01a08f76-035b-7348-8f5b-d915e0f84dc7",
"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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