How to verify a company in Poland

Poland's official register is VAT taxpayer whitelist (Biala lista, Ministry of Finance). Companies are identified by their NIP (10 digits) or REGON.

Factline's company check API covers Polish companies by NIP or REGON, including their registered bank accounts: legal name, active or dissolved, registry ID, legal form, registered address and founding date.

Example

curl "https://factline.dev/v1/company/lookup?name=Example&country=PL"

0.008 USDC per call via x402, or with an API key. Free preview: add /preview to the path.

Questions

How do I check if a company in Poland exists?

Look it up in the official register: VAT taxpayer whitelist (Biala lista, Ministry of Finance). Factline's company check API searches it for Polish companies by NIP or REGON, including their registered bank accounts, and returns the legal name, status (active or dissolved), registry ID, address and founding date.

What ID does a company in Poland have?

The NIP (10 digits) or REGON, plus an LEI if the company has one.

Can I check sanctions at the same time?

Yes: the one-call KYC check combines the company check with sanctions screening, VAT, email and phone verification.

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