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    How to find a company's registration number in Mexico

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

    Search Company Records in Mexico

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    Reviewed by LemReveal Research TeamLast verified June 2026Primary source: SAT / Registro Público de Comercio

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

    Search the company's name on SAT / Registro Público de Comercio at https://www.sat.gob.mx. The result page shows its registration number — the same identifier that appears on invoices, contracts, and government filings.

    Step-by-step

    1. 1

      Open SAT / Registro Público de Comercio

      Navigate to https://www.sat.gob.mx.

      https://www.sat.gob.mx
    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 SAT / Registro Público de ComercioAll Mexico records

    Frequently asked questions

    Where is a Mexico company's registration number published?

    It appears on the entity's public profile in SAT / Registro Público de Comercio (https://www.sat.gob.mx) and must be quoted on invoices, contracts, and official correspondence.

    Is looking up a Mexico registration number free?

    Yes. Basic name-to-number lookup on SAT / Registro Público de Comercio is free and does not require an account.

    What is an RFC?

    RFC (Registro Federal de Contribuyentes) is Mexico's tax identification number. For companies, it's a 12-character alphanumeric code derived from the company name and formation date. For individuals, it's 13 characters.

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

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

    Is the Mexico company register free to search?

    Yes. Basic company lookups on the SAT / Registro Público de Comercio 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 Mexico business registry?

    The SAT / Registro Público de Comercio is the official public register of companies incorporated in Mexico. It is operated by the government and is the primary source cited on this page — https://www.sat.gob.mx.

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

    Every registered Mexico 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 SAT / Registro Público de Comercio record.

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

    No. The registration number is the identifier issued by the SAT / Registro Público de Comercio 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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