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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.

Santamarina Steta Innovation and Regulation in Artificial Intelligence
The European Union is redefining the balance between inn…
The agreement reached in recent days between the European Parliament and the Council of the European Union to simplify certain provisions of the Artificial Intelligence Regulation…
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…
Update Site
Santamarina + Steta advises Kimberly-Clark de M…
Kimberly-Clark de México, SAB de CV (“KCM”) obtained authorization from the National Banking and Securities Commission to update its information in the National Registry…
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…
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.

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.

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.

    May 18, 2026 /
    The agreement reached in recent days between the European Parliament and the Council of the European Union to simplify certain provisions…
    May 14, 2026 /
    Executive Summary: On May 11, 2026, the Ministry of Energy (“SENER”) published in the Official Gazette of the Federation (“DOF”) the…
    May 4, 2026 /
    On April 24, 2026, the President of the United Mexican States published in the Official Gazette of the Federation (“DOF”) the “Decree by…
    May 4, 2026 /
    On April 24, 2026, the “Decree reforming and adding to various provisions…” was published in the Official Gazette of the Federation (“DOF”).
    May 4, 2026 /
    On April 27, 2026, the Resolution adding to the Provision… was published in the evening edition of the Official Gazette of the Federation
    April 28, 2026 /
    On April 22, 2026, the Chamber of Deputies approved the opinion on the draft decree that reforms, adds to, and repeals various…
    April 16, 2026 /
    On April 9, 2026, the Decree issuing the Law for the Promotion of… was published in the Official Gazette of the Federation.
    April 14, 2026 /
    On April 9, 2026, the Decree reforming Article 141 of the Code was published in the Official Gazette of the Federation…
    April 13, 2026 /
    Luis Curiel Piña and Francisco Carbajal Domínguez join our tax practice as partners, accompanied by a consolidated team…
    March 31, 2026 /
    Executive Summary On March 22, 2026, the Federal Electricity Commission (“CFE”) presented its “Transmission Project Portfolio…”
    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.

    Santamarina Steta Innovation and Regulation in Artificial Intelligence
    The European Union is redefining the balance between innovation and…
    The agreement reached in recent days between the European Parliament and the Council of the European Union to simplify certain provisions of the Artificial Intelligence Regulation (AI Act) represents one of the most significant regulatory adjustments…
    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…
    Update Site
    Santamarina + Steta advises Kimberly-Clark de México on…
    Kimberly-Clark de México, SAB de CV (“KCM”) obtained authorization from the National Banking and Securities Commission to update a long-term securities program in the National Securities Registry…
    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…
    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.
    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.
    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.
    Santamarina Steta Innovation and Regulation in Artificial IntelligenceSantamarina Steta Innovation and Regulation in Artificial Intelligence
    18 May, 2026

    The European Union is redefining the balance between innovation and regulation…

    The agreement reached in recent days between the European Parliament and the Council of the European Union to simplify certain provisions…
    Santamarina Steta call for generation projectsSantamarina Steta call for generation projects
    14 May, 2026

    Second Call for Applications for Electric Power Generation Permits…

    Executive Summary: On May 11, 2026, the Ministry of Energy (“SENER”) published in the Official Gazette of the Federation (“DOF”) the…
    Santa Marina Steta CICOPLAFESTSanta Marina Steta CICOPLAFEST
    4 May, 2026

    Decree amending the regulations on registration, authorization…

    On April 24, 2026, the President of the United Mexican States published in the Official Gazette of the Federation (“DOF”) the “Decree by…
    Santamarina Steta health supplies reform 2026Santamarina Steta health supplies reform 2026
    4 May, 2026

    Amendment to the Regulations for Health Supplies

    On April 24, 2026, the “Decree reforming and adding to various provisions…” was published in the Official Gazette of the Federation (“DOF”).
    Santamarina Steta media networksSantamarina Steta media networks
    4 May, 2026

    The Circular on Media Disposal Networks is modified to reduce…

    On April 27, 2026, the Resolution adding to the Provision… was published in the evening edition of the Official Gazette of the Federation
    Santamarina Steta Congress approves hump reductionSantamarina Steta Congress approves hump reduction
    28 Apr, 2026

    Congress approves reform to reduce working hours

    On April 22, 2026, the Chamber of Deputies approved the opinion on the draft decree that reforms, adds to, and repeals various…
    Santamarina and Steta Infrastructure Promotion LawSantamarina and Steta Infrastructure Promotion Law
    16 Apr, 2026

    The Law for the Promotion of Investment in Infrastructure is issued…

    On April 9, 2026, the Decree issuing the Law for the Promotion of… was published in the Official Gazette of the Federation.
    shutterstock 2696150007shutterstock 2696150007
    14 Apr, 2026

    Amendments to Article 141 of the Federal Tax Code: It is eliminated…

    On April 9, 2026, the Decree reforming Article 141 of the Code was published in the Official Gazette of the Federation…
    Santamarina y Steta strengthens its tax practice with the integration of two new partnersSantamarina y Steta strengthens its tax practice with the integration of two new partners
    13 Apr, 2026

    We are strengthening our tax practice with the integration of two new…

    Luis Curiel Piña and Francisco Carbajal Domínguez join our tax practice as partners, accompanied by a consolidated team…
    Site Update (1)Site Update (1)
    31 Mar, 2026

    CFE Portfolio 2026-2027: 58 projects to strengthen transmission and…

    Executive Summary On March 22, 2026, the Federal Electricity Commission (“CFE”) presented its “Transmission Project Portfolio…”

    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.

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