Finnish company register lookup

Look up a company in Finland by its Y-tunnus or name, here or from your own code.

Company number	Y-tunnus (business ID)
Format	7 digits, a hyphen and a check digit: NNNNNNN-N
Example	`0112038-9` (Nokia Oyj)
Check digit	The last digit is a mod 11 check digit over the first seven, with the weights 7, 9, 10, 5, 8, 4, 2.
VAT number	FI and the 8 digits without the hyphen: 0112038-9 becomes FI01120389.
Register	the Finnish Patent and Registration Office (PRH)
Freshness	Read live from the register for each lookup.

What you get

Finnish company by business ID (Y-tunnus 0112038-9 or VAT FI01120389) or name, live from the Finnish Patent and Registration Office (PRH): names incl. parallel and former, legal form, status, bankruptcy, liquidation or re-organisation, registration date, trade, VAT and employer registers, main business line, address, website. Use to verify a Finnish customer or supplier. Register facts only, not a credit report.

From your code

curl -H "Authorization: Bearer $API_KEY" \
  "https://agent-data-tools.revmesh2074.workers.dev/fi/company?businessId=0112038-9"

{
  "businessId": "0112038-9",
  "vatNumber": "FI01120389",
  "name": "Nokia Oyj",
  "otherNames": [
    {
      "name": "Nokia Abp",
      "type": "parallel name"
    },
    {
      "name": "Nokia Corporation",
      "type": "parallel name"
    },
    {
      "name": "Nokia Networks",
      "type": "auxiliary name"
    }
  ],
  "formerNames": [
    {
      "name": "Oy Nokia Ab",
      "until": "1997-08-31"
    }
  ],
  "legalForm": {
    "code": "17",
    "name": "Public limited company"
  },
  "status": "registered",
  "ended": null,
  "proceedings": [],
  "registered": "1978-03-15",
  "registers": [
    "trade register",
    "prepayment register",
    "VAT register",
    "employer register",
    "tax administration"
  ],
  "vatRegistered": true,
  "employerRegistered": true,
  "industry": {
    "code": "70100",
    "description": "Activities of head offices"
  },
  "address": {
    "street": "Karakaari 7",
    "postcode": "02610",
    "city": "ESPOO",
    "country": "FI"
  },
  "website": "www.nokia.com",
  "source": "Finnish Patent and Registration Office (PRH), YTJ open data (CC BY 4.0)",
  "note": "Register facts only. This is not a credit report, credit score or rating."
}

One GET request, JSON back; a company that is not found is never charged. Keys and monthly plans: Company check API. Reference: tool page. The VAT number: check a Finnish VAT number.

Questions

What does a Finnish Y-tunnus look like?

7 digits, a hyphen and a check digit: NNNNNNN-N. Example: 0112038-9 (Nokia Oyj). The last digit is a mod 11 check digit over the first seven, with the weights 7, 9, 10, 5, 8, 4, 2.

How is the Finnish VAT number related to it?

FI and the 8 digits without the hyphen: 0112038-9 becomes FI01120389.

Where does the data come from, and how fresh is it?

From the Finnish Patent and Registration Office (PRH). Read live from the register for each lookup.

Is this a credit report?

No. It returns register facts: names, legal form, status, dates, industry codes and address. No credit score, no financial statements and no personal data about owners.

Other registers

Sweden · Norway · France · EU VAT numbers