Is FI31639843 a valid VAT number?

Yes, as of 11 Sep 2026. FI31639843 is an active, valid EU VAT number registered to ANTON TAMMI OY in Finland, confirmed against VIES, which queries the national VAT database.

What is the VAT rate for FI31639843?

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 FI31639843?

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.

ANTON TAMMI OY, VAT ID FI31639843 — Verified

Active and verified against VIES as of 11 Sep 2026.

Confirmed against VIES on 11 Sep 2026, 12:36 UTC
Check ID: 01a09077-fd59-7e05-82b3-645cbc10bd79

VAT ID

FI31639843

Finland

Y-tunnus

3163984-3

Company

ANTON TAMMI OY

Company type

Limited company

Founded

13 Oct 2020

Industry

Literary creation and musical composition activities

Address

c/oAnton Tammi Oy Vänrikki Stoolin katu 12 B 22
00100 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 FI31639843 is built

The prefix FI marks Finland, where VAT is known locally as Arvonlisävero (ALV). The part after it, 31639843, is 8 digits. The whole number follows the format FI + 8 digits. The characters after the prefix correspond to the Y-tunnus 3163984-3.

For ANTON TAMMI OY, its registered company type is Limited company; the national register or authority record gives a registration date of 13 Oct 2020, 5 years before the check; its Y-tunnus is 3163984-3.

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>.

Preview

Verify on vatnode

Snippet

HTML

<script async src="https://vatnode.dev/badge.js"></script>
<span data-vatnode-vat="FI31639843"></span>

Loads asynchronously, ~1.5 KB gzipped, no tracking, no dependencies. The badge links to this page, which shows the result stored for FI31639843 as of 11 Sep 2026.

Validating VAT in your app? Use the VAT validation API — 100 free calls, no credit card required.

Get API Key

Request

curl "https://api.vatnode.dev/v1/vat/FI31639843" \
  -H "Authorization: Bearer YOUR_API_KEY"

ResponseStored result of 11 Sep 2026 · 200 OK

{
  "valid": true,
  "vatId": "FI31639843",
  "countryCode": "FI",
  "countryName": "Finland",
  "companyName": "ANTON TAMMI OY",
  "companyAddress": "c/oAnton Tammi Oy Vänrikki Stoolin katu 12 B 22\n00100 HELSINKI",
  "companyRegistrationDate": "2020-10-13",
  "companyForm": "Limited company",
  "industryDescription": "Literary creation and musical composition activities",
  "registryCode": "3163984-3",
  "registryCodeName": "Y-tunnus",
  "taxId": "3163984-3",
  "taxIdName": "Y-tunnus",
  "registryPrivacy": false,
  "website": null,
  "commercialName": null,
  "companyStatus": null,
  "secondaryActivities": [],
  "companyAgeYears": 5,
  "consultationNumber": null,
  "specialTerritory": null,
  "verifiedAt": "2026-09-11T12:36:17.882Z",
  "checkId": "01a09077-fd59-7e05-82b3-645cbc10bd79",
  "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.

Get an API Key Consultation Number Docs

Validate a different VAT ID

Example:

Browse Finland VAT number examples and format.

Automate this in your app

Use the vatnode API to automate VAT validation in your invoicing or checkout flow. Free plan available, no credit card required.

Get API Key Finland VAT format Quickstart