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Free company data tools

Check an identifier, find a company in its official register or validate a VAT number. No signup, no key, nothing metered.

50 tools · 35 countries

Checked in your browser. Nothing is sent.

Try one:

Your result appears here: the country, the identifier type and its check digit.

Start here: any country

For identifiers from many registers at once
  • Company identifier validator

    Check the check digit of a Spanish NIF, a French SIREN, a Polish NIP, an EU VAT number and more.

    In your browser
  • VAT number checker (VIES)

    The format for each EU state, then a live VIES answer with the registered name and address.

    Live check
  • LEI lookup

    Search the global LEI register by code or company name: legal name, jurisdiction, status, renewal date.

    Live check
  • Portfolio coverage check

    Drop a CSV of your companies: which identifiers are valid, what we cover in each country, what a full run costs.

    In your browser

What a lookup returns

One request returns the company as a structured record: name, number, status, legal form, address, share capital, activity and more.

Look it up in the register
GET/companies/search?country=ES&name=Telefonica&limit=1

TELEFONICA SA

Active

NIFA28015865LEI549300EEJH4FEPDBBR25

Legal form
SA
Founded
19 Apr 1924
Share capital
€5,670,161,554
Registered address
RONDA DE LA COMUNICACION, S/N - EDIFICIO CENTRAL (MADRID), 28013 MADRID
Activity
Activities of holding companies (6420, NACE 64.20)
Example result, captured 29 Oct 2026

Browse by country

Europe

23 tools

North America

12 tools

Latin America

5 tools

Asia-Pacific

5 tools

Middle East

1 tool

Checks run in your browser, nothing is sent

The number and its check digit are tested with plain arithmetic on your device. No request leaves the page, nothing is logged and no key is needed.

Lookups return the company's record

After the check, a lookup asks the Prometiam API for the company and shows what comes back: name, legal form, status and city, as at the register's last update (Germany and the Netherlands: companies with an LEI).

Need it in your code?

Every lookup on this page is one call to the Prometiam API, which returns more fields per company and can alert you when a company changes (every country except France and Chile).

Sign upRead the docs
curl "https://api.prometiam.com/functions/v1/risk-api/companies/search?country=FR&siren=775670417" \
  -H "Authorization: Bearer rk_live_…"