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    How to find a company's registration number in Iceland

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

    Search Company Records in Iceland

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    Reviewed by LemReveal Research TeamLast verified June 2026Primary source: Ríkisskattstjóri (RSK)

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

    Search the company's name on Ríkisskattstjóri (RSK) at https://www.rsk.is. The result page shows its registration number — the same identifier that appears on invoices, contracts, and government filings.

    Step-by-step

    1. 1

      Open Ríkisskattstjóri (RSK)

      Navigate to https://www.rsk.is.

      https://www.rsk.is
    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 Ríkisskattstjóri (RSK)All Iceland records

    Frequently asked questions

    Where is a Iceland company's registration number published?

    It appears on the entity's public profile in Ríkisskattstjóri (RSK) (https://www.rsk.is) and must be quoted on invoices, contracts, and official correspondence.

    Is looking up a Iceland registration number free?

    Yes. Basic name-to-number lookup on Ríkisskattstjóri (RSK) is free and does not require an account.

    What is a kennitala?

    Kennitala is Iceland's universal identification number, used for both individuals and companies. For companies, it's a 10-digit number. It's the primary identifier for all official and business purposes in Iceland.

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

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

    Is the Iceland company register free to search?

    Yes. Basic company lookups on the Ríkisskattstjóri (RSK) 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 Iceland business registry?

    The Ríkisskattstjóri (RSK) is the official public register of companies incorporated in Iceland. It is operated by the government and is the primary source cited on this page — https://www.rsk.is.

    Where do I find a Iceland company's registration number?

    Every registered Iceland 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 Ríkisskattstjóri (RSK) record.

    Is a Iceland registration number the same as a VAT number?

    No. The registration number is the identifier issued by the Ríkisskattstjóri (RSK) 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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