Can I find sole proprietors too?

Yes. Search by Company ID, or by first and last name exactly as they appear in the trade register.

How do I check whether a company is a VAT payer?

The result shows whether the company is registered for VAT. For Czech companies, you can check the payer's reliability status and published bank accounts in the Czech VAT payer register. For Slovak companies, use the lists of the Slovak Financial Administration. The links are right next to the result.

Can I use the details on an invoice right away?

Yes. The Create invoice button opens our online invoice generator and fills in the customer details for you.

Czech and Slovak company lookup

Enter a Company ID or company name to see the registered address, VAT ID, legal form, and status, straight from ARES for Czech companies or the Slovak Register of Legal Entities (RPO) for Slovak ones.

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Guide

What the registers tell you, and what they don't

ARES is the public register of the Czech Ministry of Finance. It combines data from the commercial and trade registers, the VAT register, and other records. For Slovak companies, we search the Register of Legal Entities (RPO), run by the Ministry of the Interior of the Slovak Republic.

Before your first deal

Check that the company exists, isn't in liquidation, and is based where it says it is. Copy the register details into your contract and invoice.

Company ID checksum

The last digit of a Company ID is a check digit, so the tool catches typos before it even searches.

Reliable VAT payer

When you pay a Czech supplier by bank transfer, check that their account is published in the Czech VAT payer register. Since 2025, this applies to every payment, whatever the amount. For Slovak companies, you can check VAT registration in the lists of the Slovak Financial Administration. You'll find the links next to the result.

FAQ

Company records without the digging.

Didn't find your question? Call us and get an answer right away.

Straight from the official registers: ARES, run by the Czech Ministry of Finance, for Czech companies, and the Register of Legal Entities (RPO), run by the Slovak Ministry of the Interior, for Slovak ones. You see the data as it stands at the moment you search.

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