Pentti Mähönen Oy, VAT ID FI04531810 — Verified
Active and verified against VIES as of 7 Sep 2026.
Confirmed against VIES on 7 Sep 2026, 10:40 UTC
Check ID: 01a07b74-f20f-70cb-89df-b44d28cf71f3
VAT ID
FI04531810
Y-tunnus
0453181-0
Company
Pentti Mähönen Oy
Company type
Limited company
Founded
20 Aug 1981
Industry
Structural engineering design and technical consultancy
Address
METSÄTIE 11
04400 JÄRVENPÄÄ
FINLAND
VAT rates in Finland (EUR)
Standard
25.5%
Reduced
13.5%
Reduced
10%
VAT rates as of 4 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 FI04531810 is built
The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 04531810, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 0453181-0.
For Pentti Mähönen Oy, its registered company type is Limited company; the national register or authority record gives a registration date of 20 Aug 1981, 45 years before the check; its Y-tunnus is 0453181-0.
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
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{
"valid": true,
"vatId": "FI04531810",
"countryCode": "FI",
"countryName": "Finland",
"companyName": "Pentti Mähönen Oy",
"companyAddress": "METSÄTIE 11\n04400 JÄRVENPÄÄ",
"companyRegistrationDate": "1981-08-20",
"companyForm": "Limited company",
"industryDescription": "Structural engineering design and technical consultancy",
"registryCode": "0453181-0",
"registryCodeName": "Y-tunnus",
"taxId": "0453181-0",
"taxIdName": "Y-tunnus",
"registryPrivacy": false,
"website": null,
"commercialName": null,
"companyStatus": null,
"secondaryActivities": [],
"companyAgeYears": 45,
"consultationNumber": null,
"specialTerritory": null,
"verifiedAt": "2026-09-07T10:40:56.851Z",
"checkId": "01a07b74-f20f-70cb-89df-b44d28cf71f3",
"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": "2026-11-04"
}
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