Mainstay Games Oy, VAT ID FI35793039 — Verified
Active and verified against VIES as of 18 Sep 2026.
Confirmed against VIES on 18 Sep 2026, 15:42 UTC
Check ID: 01a0b52f-4693-70a3-ae29-050f52a280e0
VAT ID
FI35793039
Y-tunnus
3579303-9
Company
Mainstay Games Oy
Company type
Limited company
Founded
6 Dec 2025
Industry
Computer programming activities
Address
c/oMainstay Games Oy Mannerheiminaukio 1e E
00100 HELSINKI
FINLAND
VAT rates in Finland (EUR)
Standard
25.5%
Reduced
13.5%
Reduced
10%
VAT rates as of 12 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 FI35793039 is built
The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 35793039, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 3579303-9.
For Mainstay Games Oy, its registered company type is Limited company; the national register or authority record gives a registration date of 6 Dec 2025, less than a year before the check; its Y-tunnus is 3579303-9.
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
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Get API Keycurl "https://api.vatnode.dev/v1/vat/FI35793039" \ -H "Authorization: Bearer YOUR_API_KEY"
{
"valid": true,
"vatId": "FI35793039",
"countryCode": "FI",
"countryName": "Finland",
"companyName": "Mainstay Games Oy",
"companyAddress": "c/oMainstay Games Oy Mannerheiminaukio 1e E\n00100 HELSINKI",
"companyRegistrationDate": "2025-12-06",
"companyForm": "Limited company",
"industryDescription": "Computer programming activities",
"registryCode": "3579303-9",
"registryCodeName": "Y-tunnus",
"taxId": "3579303-9",
"taxIdName": "Y-tunnus",
"registryPrivacy": false,
"website": null,
"commercialName": null,
"companyStatus": null,
"secondaryActivities": [],
"companyAgeYears": 0,
"consultationNumber": null,
"specialTerritory": null,
"verifiedAt": "2026-09-18T15:42:49.492Z",
"checkId": "01a0b52f-4693-70a3-ae29-050f52a280e0",
"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": "2026-11-12"
}
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