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    How to find a company's registration number in Czech Republic

    Free, official, source-cited — updated 2026-06.

    Search Company Records in Czech Republic

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    Reviewed by LemReveal Research TeamLast verified June 2026Primary source: ARES

    How do I find a company's registration number in Czech Republic?

    Search the company's name on ARES at https://ares.gov.cz. The result page shows its registration number — the same identifier that appears on invoices, contracts, and government filings.

    Step-by-step

    1. 1

      Open ARES

      Navigate to https://ares.gov.cz.

      https://ares.gov.cz
    2. 2

      Search by company name

      Type the exact trading or legal name. Partial matches usually work; add the city if the name is common.

    3. 3

      Copy the registration number

      The registration number is displayed at the top of the entity profile. It is the authoritative ID for cross-referencing.

    4. 4

      Confirm it's the right entity

      Check the registered address and incorporation date to be sure you have the correct legal entity, especially for groups with similarly named subsidiaries.

    Open ARESAll Czech Republic records

    Frequently asked questions

    Where is a Czech Republic company's registration number published?

    It appears on the entity's public profile in ARES (https://ares.gov.cz) and must be quoted on invoices, contracts, and official correspondence.

    Is looking up a Czech Republic registration number free?

    Yes. Basic name-to-number lookup on ARES is free and does not require an account.

    What is an IČO?

    IČO (Identifikační číslo osoby) is an 8-digit identification number assigned to every economic subject in the Czech Republic. It's the primary identifier for all business interactions with government and other businesses.

    People also ask about find a company's registration number in Czech Republic

    The exact questions searchers type into Google — answered from the primary source.

    Is the Czech Republic company register free to search?

    Yes. Basic company lookups on the ARES are free — you can search by company name or registration number, view legal status, registered address and (usually) directors at no cost. Some jurisdictions charge a small fee only for downloading full filed documents.

    What is the official Czech Republic business registry?

    The ARES is the official public register of companies incorporated in Czech Republic. It is operated by the government and is the primary source cited on this page — https://ares.gov.cz.

    Where do I find a Czech Republic company's registration number?

    Every registered Czech Republic entity has a unique registration number issued at incorporation. It appears on invoices, contracts, the company's website footer (often in a "legal" section), and prominently on its ARES record.

    Is a Czech Republic registration number the same as a VAT number?

    No. The registration number is the identifier issued by the ARES when the company was formed. The VAT number is a separate tax identifier issued (only if the company is VAT-registered) by the national tax authority. Many small companies have a registration number but no VAT number.

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