Look up a company by number

    SIREN number search (France)

    Source-cited registry guidance — access and document fees vary by source.

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    Reviewed by LemReveal Research TeamContent reviewed June 2026Primary source: Infogreffe

    How do I look up a company by its registration number in France?

    Use the exact SIREN with its issuing jurisdiction or register on Infogreffe. Compare the returned legal name and identifier. A valid-looking number does not guarantee a result: coverage, formatting, access and source availability affect the lookup.

    Step-by-step

    1. 1

      Find the SIREN on the paperwork

      The SIREN normally appears on invoices, contracts, the website footer or official correspondence. It is the number counterparties are required to quote.

    2. 2

      Search the SIREN

      Preserve leading zeros, letters, court and jurisdiction information. Follow the source's documented format rather than removing meaningful parts to force a match.

    3. 3

      Confirm the returned entity

      Check the legal name on the returned record matches the name on your paperwork. A mismatch between quoted number and quoted name is a serious warning sign.

    4. 4

      Verify at Infogreffe

      For anything contractual, confirm the number against the primary source at https://www.infogreffe.fr.

      https://www.infogreffe.fr
    Open InfogreffeAll France records

    France: choosing and checking the right record

    Choose the correct source
    Identify the legal unit with its SIREN, then distinguish it from a particular establishment identified by SIRET. Use the relevant official register or document service for the company's filings and extract.
    Confirm the entity
    A SIREN has nine digits; a SIRET has 14 and identifies an establishment. Compare legal form, registered name and headquarters before matching a branch address to an invoice.

    INPI beneficial-ownership access conditions

    Check current access and document options on the official Infogreffe / INSEE site. For search limitations and missing-result guidance, see the France registry guide.

    Frequently asked questions

    What is a SIREN in France?

    It is the identifier Infogreffe assigns to a registered entity. It stays with the entity even if the trading name changes, which makes it the reliable way to track a company over time.

    Is a SIREN lookup free?

    LemReveal's basic lookup is free where supported. Check Infogreffe's official access rules for the record or document required.

    What if the SIREN returns no result?

    Check the format, issuing jurisdiction, coverage and source availability. Preserve meaningful prefixes and leading zeros. An unavailable source is not a confirmed absence; ask the counterparty to clarify the identifier.

    Should I use the SIREN or the company name?

    The SIREN. Names are duplicated across entities within a group; the number is unique to one entity.

    What is a SIREN number?

    SIREN is a unique 9-digit identifier assigned to every French business by INSEE. The SIRET is a 14-digit extension (SIREN + 5-digit establishment code) that identifies each individual establishment or branch of a company.

    People also ask about look up a company by its registration number in France

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

    Is the France company register free to search?

    Yes. Basic company lookups on the Infogreffe / INSEE 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 France business registry?

    The Infogreffe / INSEE is the official public register of companies incorporated in France. It is operated by the government and is the primary source cited on this page — https://www.infogreffe.fr.

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