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More than 75 years of prestige
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We are a Mexican law firm focused on providing highly specialized corporate and transactional advice to national and international clients in a wide variety of sectors and industries.

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Santamarina and Steta digital fraud CDMX
New article in the Penal Code for the District…
Addition of Article 231 BIS This article was added to the Penal Code for the Federal District by decree of the Congress of Mexico City and the Head of Government…
Read more
shutterstock 548715466
Workshop Evolution of the Legal System in Electronic Matters…
We invite you to register for the hybrid workshop organized by the Spanish Chamber of Commerce (CAMESCOM), in which our associate Norma Álvarez participates as a speaker…
Read more
Deal announcement koblenz santamarina steta
Koblenz acquires Winia's assets after its...
Santamarina y Steta, SC advised Koblenz Eléctrica, SA de CV (“Koblenz”) on the acquisition of certain assets of Winia Electronics Home Appliance de México, SA de CV (“…
Read more
Santamarina y Steta strengthens its tax practice with the integration of two new partners
We strengthen our tax practice with the integration…
Luis Curiel Piña and Francisco Carbajal Domínguez join our tax practice as partners, accompanied by a consolidated team of lawyers specializing in tax matters…
Read more
Santamarina mas steta home our expertise

Our
Expertise

As legal experts in Mexico, we understand the circumstances that clients face when establishing or expanding their businesses in the Mexican market. We design strategic solutions with a global perspective that translate into successful results.

Explore our services
Santamarina mas steta home our talent

Our
Talent

We have a team of highly specialized lawyers in multiple areas of law and industries. We collaborate with clients to design tailored solutions that guarantee successful results and support business growth.

Meet the team
Santamarina plus steta home strategic vision

Vision
Advisory

Our clients are at the heart of our strategy. We anticipate their needs and prevent risks so that they can make the best decisions for their businesses. With the support of international alliances, technological tools and an approach based on sustainability and sustainable development criteria, we provide a first-class service.

See more
    Santamarina and Steta digital fraud CDMX
    24 Jul, 2026 /

    New article in the Penal Code for the District…

    Addition of Article 231 BIS This article was added to the Penal Code for the Federal District by decree of the Congress of the City…
    See more
    Santamarina Steta e Firma
    17 Jul, 2026 /

    Implementation of the e.signature as the only valid means…

    On July 16, 2026, Agreement ACDO.AS2.HCT.290626/176.P.DIR, issued by the H. C… was published in the Official Gazette of the Federation (DOF).
    See more
    IMMEX programs suspended
    1 Jul, 2026 /

    Suspension of IMMEX Programs due to lack of attendance…

    On June 30, 2026, the Notice publishing the names of the holders and numbers was published in the Official Gazette of the Federation…
    See more
    Santamarina and Steta: New constitutional reform to the judicial branch in Mexico
    June 25, 2026 /

    New Constitutional Reform to the Judiciary in…

    The Constitutional Reform regarding the Judiciary, published on September 15, 2024 in the Official Gazette of the Federation, constitutes…
    See more
    Santamarina and Stera Energy Justice in Mexico
    June 24, 2026 /

    Energy justice in Mexico: The new guiding principle…

    Executive Summary: Mexico's national energy policy has consolidated energy justice as a guiding principle of planning…
    See more
    Santamarina and Steta Electricity Sector Law
    June 24, 2026 /

    Guidelines for voluntary migration and expedited processing…

    Executive Summary: On June 8, 2026, the Ministry of Energy (“SENER”) published in the Official Gazette of the Federation (“DOF”) the “A…
    See more
    Santamarina and Steta transmission for legacy contracts
    June 24, 2026 /

    New transmission methodology for contracts l…

    Executive Summary: On June 18, 2026, the National Energy Commission (“CNE”) published in the Official Gazette of the Federation (“DOF”)…
    See more
    Santamarina and Steta reform to the LFPCA
    June 24, 2026 /

    Reform to the LFPCA: New deadlines, digital justice…

    Executive Summary: On June 9, 2026, the Decree that reforms, adds to, and repeals various provisions was published in the Official Gazette of the Federation…
    See more
    REGULATIONS OF THE AIRPORT LAW
    June 22, 2026 /

    Amendment to the Regulations of the Airports Law

    On June 9, 2026, the “Decree reforming and adding various provisions…” was published in the Official Gazette of the Federation (“DOF”).
    See more
    Santamarina Steta Law for the Promotion of Investment in Infrastructure
    June 18, 2026 /

    The Regulations for the Law for the Promotion… are issued

    On May 8, 2026, the Decree issuing the Regulations (hereinafter…) was published in the Official Gazette of the Federation
    See more
    Santamarina mas steta home banner slide
    More than 75 years of prestige
    support us

    We are a Mexican law firm focused on providing highly specialized corporate and transactional advice to national and international clients in a wide variety of sectors and industries.

    More about us
    Santamarina and Steta digital fraud CDMX
    New article in the Penal Code for the Federal District…
    Addition of Article 231 BIS This article was added to the Penal Code for the Federal District by decree of the Congress of Mexico City and the Head of Government, published in the Official Gazette of Mexico City on Wednesday…
    Read more
    shutterstock 548715466
    Workshop on the Evolution of the Legal System in Electrical Matters
    We invite you to register for the hybrid workshop organized by the Spanish Chamber of Commerce (CAMESCOM), in which our associate Norma Álvarez participates as a speaker. The objective of the workshop is to learn about the evolution that has taken place…
    Read more
    Deal announcement koblenz santamarina steta
    Koblenz acquires Winia's assets after its bankruptcy
    Santamarina y Steta, SC advised Koblenz Eléctrica, SA de CV (“Koblenz”) on the acquisition of certain assets of Winia Electronics Home Appliance de México, SA de CV (“Winia”), which represented a substantial part of its…
    Read more
    Santamarina y Steta strengthens its tax practice with the integration of two new partners
    We are strengthening our tax practice with the integration of…
    Luis Curiel Piña and Francisco Carbajal Domínguez have joined our tax practice as partners, accompanied by a well-established team of lawyers specializing in tax matters. They join Mariano Calderón Vega, partner in the tax area…
    Read more
    Our expertise
    As legal experts in Mexico, we understand the circumstances that clients face when establishing or expanding their businesses in the Mexican market. We design strategic solutions with a global perspective that translate into successful results.
    Explore our services
    Our talent
    We have a team of highly specialized lawyers in multiple areas of law and industries. We collaborate with clients to design tailored solutions that guarantee successful results and support business growth.
    Meet the team ›
    Strategic vision
    Our clients are at the heart of our strategy. We anticipate their needs and prevent risks so that they can make the best decisions for their businesses. With the support of international alliances, technological tools and an approach based on sustainability and sustainable development criteria, we provide a first-class service.
    See more
    Santamarina and Steta digital fraud CDMXSantamarina and Steta digital fraud CDMX
    24 Jul, 2026

    New article in the Penal Code for the Federal District (CDMX) that…

    Addition of Article 231 BIS This article was added to the Penal Code for the Federal District by decree of the Congress of the City…
    See more
    Santamarina Steta e FirmaSantamarina Steta e Firma
    17 Jul, 2026

    Implementation of the e.signature as the only valid means for transactions…

    On July 16, 2026, Agreement ACDO.AS2.HCT.290626/176.P.DIR, issued by the H. C… was published in the Official Gazette of the Federation (DOF).
    See more
    IMMEX programs suspendedIMMEX programs suspended
    1 Jul, 2026

    Suspension of IMMEX Programs for failure to submit the report to…

    On June 30, 2026, the Notice publishing the names of the holders and numbers was published in the Official Gazette of the Federation…
    See more
    Santamarina and Steta: New constitutional reform to the judicial branch in MexicoSantamarina and Steta: New constitutional reform to the judicial branch in Mexico
    25 Jun, 2026

    New Constitutional Reform to the Judiciary in Mexico

    The Constitutional Reform regarding the Judiciary, published on September 15, 2024 in the Official Gazette of the Federation, constitutes…
    See more
    Santamarina and Stera Energy Justice in MexicoSantamarina and Stera Energy Justice in Mexico
    24 Jun, 2026

    Energy justice in Mexico: The new guiding principle of energy policy…

    Executive Summary: Mexico's national energy policy has consolidated energy justice as a guiding principle of planning…
    See more
    Santamarina and Steta Electricity Sector LawSantamarina and Steta Electricity Sector Law
    24 Jun, 2026

    Guidelines for the voluntary and expedited migration of permits to…

    Executive Summary: On June 8, 2026, the Ministry of Energy (“SENER”) published in the Official Gazette of the Federation (“DOF”) the “A…
    See more
    Santamarina and Steta transmission for legacy contractsSantamarina and Steta transmission for legacy contracts
    24 Jun, 2026

    New transmission methodology for legacy contracts: update…

    Executive Summary: On June 18, 2026, the National Energy Commission (“CNE”) published in the Official Gazette of the Federation (“DOF”)…
    See more
    Santamarina and Steta reform to the LFPCASantamarina and Steta reform to the LFPCA
    24 Jun, 2026

    Reform to the LFPCA: New deadlines, digital justice and strategic changes…

    Executive Summary: On June 9, 2026, the Decree that reforms, adds to, and repeals various provisions was published in the Official Gazette of the Federation…
    See more
    REGULATIONS OF THE AIRPORT LAWREGULATIONS OF THE AIRPORT LAW
    22 Jun, 2026

    Amendment to the Regulations of the Airports Law

    On June 9, 2026, the “Decree reforming and adding various provisions…” was published in the Official Gazette of the Federation (“DOF”).
    See more
    Santamarina Steta Law for the Promotion of Investment in InfrastructureSantamarina Steta Law for the Promotion of Investment in Infrastructure
    18 Jun, 2026

    The Regulations for the Law to Promote Investment in… are issued

    On May 8, 2026, the Decree issuing the Regulations (hereinafter…) was published in the Official Gazette of the Federation
    See more

    Podcast
    Legal Evolution

    A space designed to provide clarity and insight to decision-makers in a constantly evolving legal landscape. We share conversations with our partners about corporate law, regulation, compliance, and the trends transforming the business environment and legal system in the country.

    Santamarina mas steta home podcast