Is FI23534558 a valid VAT number?

Yes, as of 10 Sep 2026. FI23534558 is an active, valid EU VAT number registered to Arkkitehdit Rudanko + Kankkunen Oy in Finland, confirmed against VIES, which queries the national VAT database.

What is the VAT rate for FI23534558?

Finland applies a standard ALV rate of 25.5%, with reduced rates of 10%, 13.5%. Rates are sourced from the EU Commission TEDB.

Can I get a VIES consultation number for FI23534558?

A VIES consultation number is the reference the EU VIES system issues to document who checked a VAT number and when. It is returned on authenticated vatnode API calls where the caller sets their own EU VAT as the requester, so it evidences your own check during an audit.

Arkkitehdit Rudanko + Kankkunen Oy, VAT ID FI23534558 — Verified

Active and verified against VIES as of 10 Sep 2026.

Confirmed against VIES on 10 Sep 2026, 11:45 UTC
Check ID: 01a08b22-e35b-7853-8c88-49054cbdc335

VAT ID

FI23534558

Finland

Y-tunnus

2353455-8

Company

Arkkitehdit Rudanko + Kankkunen Oy

Company type

Limited company

Founded

14 Sep 2010

Industry

Architectural activities

Address

c/oKankkunen Puhuritie 14
00850 HELSINKI
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 FI23534558 is built

The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 23534558, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 2353455-8.

For Arkkitehdit Rudanko + Kankkunen Oy, its registered company type is Limited company; the national register or authority record gives a registration date of 14 Sep 2010, 15 years before the check; its Y-tunnus is 2353455-8.

Other checked VAT numbers in Finland

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Snippet

HTML

<script async src="https://vatnode.dev/badge.js"></script>
<span data-vatnode-vat="FI23534558"></span>

Loads asynchronously, ~1.5 KB gzipped, no tracking, no dependencies. The badge links to this page, which shows the result stored for FI23534558 as of 10 Sep 2026.

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Request

curl "https://api.vatnode.dev/v1/vat/FI23534558" \
  -H "Authorization: Bearer YOUR_API_KEY"

ResponseStored result of 10 Sep 2026 · 200 OK

{
  "valid": true,
  "vatId": "FI23534558",
  "countryCode": "FI",
  "countryName": "Finland",
  "companyName": "Arkkitehdit Rudanko + Kankkunen Oy",
  "companyAddress": "c/oKankkunen Puhuritie 14\n00850 HELSINKI",
  "companyRegistrationDate": "2010-09-14",
  "companyForm": "Limited company",
  "industryDescription": "Architectural activities",
  "registryCode": "2353455-8",
  "registryCodeName": "Y-tunnus",
  "taxId": "2353455-8",
  "taxIdName": "Y-tunnus",
  "registryPrivacy": false,
  "website": null,
  "commercialName": null,
  "companyStatus": null,
  "secondaryActivities": [],
  "companyAgeYears": 15,
  "consultationNumber": null,
  "specialTerritory": null,
  "verifiedAt": "2026-09-10T11:45:14.589Z",
  "checkId": "01a08b22-e35b-7853-8c88-49054cbdc335",
  "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.

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