Senko Legal

In an increasingly complex legal environment, Senko Legal was founded as a modern and strategic law firm, formed by three teams of lawyers with decades of combined experience. Our name — inspired by the Japanese word senkō, meaning “flash of light” — reflects our commitment to providing clear, precise, and timely legal advice.

We turn legal knowledge into value for our clients.

Our mission is to help our clients make informed decisions with the best legal advice.

OUR VALUES

Comprehensive and
personalized legal advice
Proactive, strategic,
and human-centered approach
Creative solutions
to complex problems
Experience with high-profile clients
across multiple industries

SENKO LEGAL

Practice Areas

Corporate and Transactional Law

We advise companies on all legal aspects of their operations, including corporate governance, reorganizations, mergers, spin-offs, and shareholder disputes.

🔹 Corporate maintenance.
🔹 Corporate governance and bylaws.
🔹 Shareholder disputes.
🔹 Commercial contracts.

Mergers and Acquisitions

Our specialized team, led by Miguel Ishii, has advised on high-impact transactions in Mexico and abroad. We provide legal support for acquisitions, strategic alliances, and due diligence processes, with a strong technical and business-oriented perspective.

🔹 Purchase and sale of shares and assets.
🔹 Commercial alliances and joint ventures.
🔹 Distribution and strategic agreements.

Strategic Litigation

We design tailored legal solutions with a clear, decisive, and results-driven approach. Our team has experience in civil, commercial, family, constitutional, and insurance litigation.

🔹 Contract disputes.
🔹 Debt recovery.
🔹 Family and inheritance litigation.
🔹 Amparo proceedings and human rights cases.
🔹 Conflicts related to insurance policies.
🔹 Commercial insolvency proceedings.

Real Estate Law

We advise developers, investors, and property owners on all legal aspects of the real estate sector, from land acquisition to the structuring of trusts and project financing.

🔹 Due diligence and title review.
🔹 Real estate trusts.
🔹 Joint ventures.
🔹 Tourism, residential, and industrial projects.

Arbitration

As an effective alternative to traditional litigation, we offer representation in arbitration proceedings before institutions such as the ICC, CAM, and CANACO. We serve as counsel or arbitrators, maximizing outcomes in complex disputes.

🔹 Dispute resolution strategies.
🔹 Enforcement of arbitration clauses.
🔹 Representation in arbitration proceedings.

Mining Law

We offer comprehensive legal solutions for all stages of the mining cycle. From obtaining concessions to managing community relations, we combine technical and legal expertise.

🔹 Mining concessions and regulatory compliance.
🔹 Exploration and operation agreements.
🔹 Land use and environmental matters.
🔹 Dispute resolution and sustainability.

SENKO LEGAL

Our Team

Contact Information

Senko Legal

Bosques de Los Ciruelos 186, Piso 12, Bosques de las Lomas, C.P. 11700, Miguel Hidalgo, CDMX

2025© Senko Legal. All rights reserved

Practice Areas

Corporate and Transactional Law

At SENKO LEGAL, we have extensive experience advising clients on corporate law matters. Over the years, we have developed systems to ensure that our clients’ corporate affairs remain in optimal condition. Our core services include:

  • General Corporate Matters: Preparation of corporate documents and filings required to keep companies in compliance with applicable corporate laws, including the safekeeping of corporate books and the provision of corporate secretarial services.
  • Corporate Governance: Design and implementation of appropriate governance mechanisms, including the selection of the proper corporate structure, drafting of bylaw provisions related to committees, rules for the operation of corporate bodies (shareholders’ meetings, management and supervisory bodies), preparation of shareholders’ agreements, and protections for minority shareholders.
  • Reorganizations, Mergers, and Spin-offs: Legal advice and document preparation for corporate reorganizations, mergers of companies or corporate groups, or the spin-off of entities into independent businesses.
  • Shareholder Disputes: Strategic legal counsel for clients involved in disputes with business partners, including solutions aimed at maintaining or regaining control of a company.
  • • Transactional Matters: Comprehensive legal support for the design, negotiation, execution, and follow-up of agreements and contracts that support business operations and growth.

practice areas

Mergers and Acquisitions

The strength of Mergers & Acquisitions practice lies in the combination of the skills and knowledge of every team member. At SENKO LEGAL, we bring together over 35 years of experience advising domestic and international clients on high-profile transactions, with the energy and innovation of a new generation of lawyers—ensuring we deliver the highest level of service to our clients.

SENKO LEGAL provides legal services in M&A primarily in the following areas:

  • Distribution Agreements: Drafting and structuring exclusive or non-exclusive distribution agreements that protect the value created by domestic distributors while ensuring uninterrupted supply chains for producers.

  • Acquisitions: Conducting comprehensive legal due diligence on existing businesses, and designing, drafting, and negotiating acquisition agreements—whether through share purchase agreements, asset purchase agreements, or investment contracts. We ensure the inclusion of robust indemnification clauses with appropriate caps and timeframes tailored to each transaction.

  • Business Alliances: Advising domestic clients seeking to partner with international companies—and vice versa—by structuring, negotiating, and formalizing joint ventures, strategic alliances, and partnerships.

practice areas

Strategic Litigation

At SENKO LEGAL, our priority is to deliver precise, innovative, and effective legal solutions. We are a modern and flexible law firm that combines creativity, experience, and resources to resolve complex legal disputes—always with a strategic and results-oriented approach.

In our litigation practice, we conduct an in-depth analysis of each client’s needs to propose tailored, functional, and effective solutions. Each strategy is designed to support and strengthen your growth, delivering tangible outcomes.

We design legal solutions, litigation plans, and strategies for complex disputes with clarity, solid legal grounding, and the support of subject-matter specialists. We offer coverage in virtually every state in the country, either directly or through a network of trusted local correspondents. Our team has the training and experience needed to provide strong, committed representation in any kind of dispute, regardless of the industry.

  • Civil Litigation.
    We have extensive experience handling disputes related to property, possession, adverse possession (positive and negative), breach of contract, damages, all types of liabilities, lease agreements, mortgage matters, condominium disputes, annulments, copyright, and co-ownership.

  • Commercial Litigation.
    We represent companies and individuals in disputes arising from breach or rescission of contracts, shareholder conflicts, insolvency proceedings, enforcement of negotiable instruments, debt recovery, and controversies in the real estate and logistics sectors, as well as enforcement of guarantees. Our commercial perspective allows us to address these matters with efficient, outcome-driven solutions.

  •  Insurance Litigation.
    We advise and represent clients in disputes concerning non-payment of insurance policies of any kind, disputes with insurance agents, and conflicts between insurers.

  • Family Litigation.
    We provide sensitive, professional legal support in divorce, inheritance, child support, recognition or termination of common-law relationships, custody, and visitation matters. Our commitment is to support individuals through complex legal processes with a human approach and clear solutions.

  • Constitutional Litigation
    We vigorously defend our clients’ human rights through amparo proceedings in various legal areas. We have successfully intervened in cases involving violations of constitutional rights, seeking the restitution of rights and the suspension of unlawful government actions.

practice area

Real Estate Law

We provide comprehensive legal services to clients in the real estate sector, including property due diligence, title review and legal opinions, environmental regulation compliance, and land use matters. Our advisory services cover the structuring, negotiation, and documentation of: (i) real estate project financing;
(ii) development, construction, and commercialization of commercial, tourism, industrial, residential, and logistics projects; (iii) Mexican real estate investment trusts (FIBRAs); (iv) foreign capital investment trusts and other investment vehicles; (v) timeshare and co-ownership systems; (vi) acquisitions, sales, and sale-leaseback transactions; (vii) joint ventures and profit-sharing agreements; (viii) foreclosures and adjudications; (ix) acquisition of commercial or industrial real estate and facilities; (x) real estate-secured transactions; (xi) infrastructure projects; and
(xii) leasing of all types of real estate properties.

We represent both domestic and international clients, including property owners, developers, landlords, tenants, investors, construction companies, real estate consultants and brokers, real estate financing companies, and companies seeking financing for the acquisition or development of real estate projects.

practice area

Arbitration

We provide comprehensive legal counsel for the drafting and negotiation of arbitration agreements, as well as the implementation of the dispute resolution mechanisms required by a given contract or project.

Our attorneys have participated in both domestic and international commercial arbitrations, serving as arbitrators and legal counsel. We advise clients on strategy and provide representation in arbitration proceedings brought before various national and international institutions, including:

• The International Chamber of Commerce (ICC).
• The Mexico City Arbitration Center (CAM).
• The National Chamber of Commerce of Mexico City (CANACO).

Our experience spans disputes in sectors such as distribution, infrastructure, rail transportation, retail, mining, energy, and pharmaceuticals. We effectively represent the interests of private companies, public entities, and international investors.

For us, arbitration is not merely an alternative to litigation—it is a key legal tool we use with strategic vision to resolve complex disputes, protect assets, and secure favorable outcomes.

practice areas

Mining Law

We offer specialized legal services for clients with cross-border needs.

At SENKO LEGAL, we have a dedicated Mining Law practice focused on delivering comprehensive legal solutions for the development, operation, and closure of mining projects in Mexico. We support our clients throughout all phases of the mining cycle, combining technical, regulatory, and commercial insight to ensure legal viability and full regulatory compliance.

Our services include:

• Acquisition, transfer, and regularization of mining concessions;
• Title review and legal status analysis of mining lots;
• Administrative filings and procedures before regulatory authorities;
• Negotiation and formalization of exploration, operation, and joint venture agreements;
• Due diligence in mining asset acquisition transactions;
• Environmental and land use matters applicable to mining activities;
• Representation in administrative proceedings, inspections, and defense against potential sanctions; and
• Management of community relations and land tenure issues.

We have advised both domestic and international companies in exploration and extraction projects involving various minerals, as well as in joint ventures, investment structures, and dispute resolution within the mining sector.

At SENKO LEGAL, we understand the strategic nature of the mining industry and provide precise, proactive legal counsel with a focus on sustainability, continuity, and social impact in every client project.

our team

Citlali Pérez Renteria

Founding Partner

Citlali is a specialist in transactional corporate law, domestic and international commercial arbitration, mining and energy law, and public procurement procedures. Since 1999, she has provided legal advice in complex transactions and represented public and private sector clients in various national and international arbitrations.

practice areas

Transactional, Arbitration, and Mining Law

Education

Graduate of Universidad La Salle
Postgraduate studies at McGill University, Montreal, Canada

Previous Experience

  • Arbitration Partner at Ontier Mexico (2022–2025)
  • Head of Arbitration and Mining at Jáuregui y Del Valle (2017–2022)
  • Partner at Miranda y Estabillo (2010–2013)

our team

Miguel Tsuyoshi Ishii Yokoyama

Managing Partner

Attorney with 35 years of experience advising national and international clients in corporate law, real estate law, and transactions.

Clients highlight the quality of his legal advice, service-oriented approach, and ability to offer creative solutions in complex negotiations. He is widely recognized for his experience and innovative approach in all aspects of mergers and acquisitions, including the design of corporate legal structures, co-investments, strategic alliances, and trusts.

Practice Areas

Corporate, Mergers & Acquisitions, Real Estate

education

Graduate of Escuela Libre de Derecho
Postgraduate studies in Corporate and Tax Law at Universidad Panamericana
Master’s and Ph.D. candidate in International Economic and Business Law at Kyushu University, Japan (scholarship awarded by Japan’s Ministry of Education)

Languages

English and Japanese

Previous Experience

  • M&A Partner at Ontier Mexico (2022–2025) and Managing Partner (2023–2025)
  • M&A Partner at Jáuregui y Del Valle (2013–2021)
  • Senior Associate at Jones Day Mexico (2010–2012)

Other Activities

  • Lecturer in Commercial Law at CIDE (2009–2012)
  • Instructor in M&A Special Topics at Universidad Iberoamericana (2025)

Recognitions

Ranked in Corporate/M&A, Band 2, for the eighth consecutive year in Chambers Latin America.

«Miguel Tsuyoshi Ishii Yokoyama is a very strong and experienced lawyer, with a very solid background. He brings an excellent combination of skills to the table for M&A operations.»

Representative Cases

  • Advised Alta Growth Capital on its investment in Lottus Education.
  • Advised Alta Growth Capital on the acquisition of the Maskota retail chain.
  • Advised Nexxus Capital and Alta Growth Capital in acquiring a majority stake in Turistore.
  • Advised Walton Street Capital in real estate negotiations with developers across Mexico.
  • Advised Grupo Inmobilia on various commercial, residential, and office developments.
  • Advised Grupo Holzer on acquiring 50% of Torre Omega and a minority stake in SoHo Panama.
  • Represented GigNet Mexico in a loan agreement with Credit Suisse for telecom infrastructure.
  • Participated in the sale of Chocolates Turín to Mars.
  • Advised the founders of Grupo Metal Intra on its sale to Acon Investments.
  • Advised NAFIN on venture capital investments with multiple funds.
  • Represented the French Development Agency in a loan to CFE.
  • Represented Mitsubishi Company in office sales and leases on Reforma Avenue.
  • Advised Desarrollo Industrial Karatani on acquiring Lactoproductos La Loma.
  • Advised Alta Growth Capital on majority acquisitions in ARG and Bunkers.
  • Advised the founders of Grupo Braniff in its sale to Talma (Peru).
  • Advised Strategic Distribution, Inc. on supply chain contracts.
  • Advised Lion Mexico Fund (now Clarion Partners) in real estate investments.
  • Advised Grupo Elektra in a joint venture with First Automotive Works (China).
  • Advised Imperial Tobacco International Limited on structuring cigarette sales in Mexico.

our team

Alejandro Segall Freidkes

Founding Partner

With over 18 years of litigation experience in Mexico, Alejandro Segall has successfully represented both domestic and international companies as well as individuals in complex, multidisciplinary matters.

His practice focuses on disputes arising from contractual breaches, civil liability, shareholder conflicts, bankruptcy proceedings, family law disputes, real estate investment disputes, and insurance litigation.

He is known for his analytical ability, strategic vision, and ethical commitment to each case, combining strategy, technical expertise, and close client relationships to achieve effective outcomes.

practice areas

Civil, Commercial, Family, and Insurance Litigation

education

Graduate of Universidad Iberoamericana (2010)

lenguages

Spanish and English (bilingual proficiency)

Previous Experience

  • Founding Partner of Segall Abogados (2020–2025)
  • Head of Litigation at Jáuregui y Del Valle (2014–2020)

Representative Cases

  • Represented a textile industry merchant in bankruptcy proceedings, resulting in a comprehensive restructuring of liabilities.
  • Represented a foreign insurer in various judicial disputes over policy payouts, including proceedings before Mexico’s National Insurance and Bonding Commission.
  • Represented a streaming service company in an international copyright infringement lawsuit.
  • Represented a pharmaceutical company in shareholder disputes over corporate control.
  • Handled a high-net-worth divorce with a favorable, confidential settlement tailored to the client’s financial and personal interests.
  • Represented an investor in a real estate development dispute, achieving legal remedies for nonpayment.
  • Represented a textile company defendant in debt enforcement, securing a significant debt reduction.
  • Represented multiple property owners in eviction and leasing disputes, protecting their contractual rights.
  • Represented a condominium owner in a case involving unauthorized improvements, preventing demolition through a successful judgment.
  •  

our team

Mercedes Olimpia Cázares Valderrama

Associate

Mercedes is an attorney with over 10 years of experience in the public and private sectors, specializing in strategic litigation, human rights defense, and institutional compliance. She has a strong track record in administrative, constitutional, and corporate matters.

practice areas

Administrative Litigation, Corporate, and Mining

education

Graduate of Escuela Libre de Derecho (2015)

languages

English

Previous Experience

  • Attorney at Ontier Mexico (2023–2025)
  • Technical Coordinator at the Federal Institute of Public Defense (IFDP) (2021–2023)
  • Senior Attorney at Ernst & Young (2016–2017)
  • Attorney at De Salvidea y González Alcántara, S.C. (2014–2016; 2017–2020)
  • Intern at Santamarina y Steta, S.C. (2012–2013)

Other Activities

  • Participant in seminars and courses at the Supreme Court of Justice, National Human Rights Commission, and Federal Judicial Training School
  • Active in gender, human rights, and institutional reform topics

Recognitions

  • Two Academic Excellence Awards from Escuela Libre de Derecho

our team

Frida Atenas Cázares Valderrama

Associate

Frida has over 10 years of experience in corporate and transactional law, having participated in M&A deals and financings.

practice areas

Corporate and Mergers & Acquisitions

education

Graduate of Escuela Libre de Derecho (2015)

languages

English

Previous Experience

  • Associate at Ontier Mexico (2023–2025)
  • Associate at Ishii Abogados, S.C. (2022)
  • Attorney at Macdonel, Uribe, Cuesta, Llaca & Esquivel (2021)
  • Attorney at Jáuregui y Del Valle, S.C. (2013–2019)
  • Intern at Santamarina y Steta, S.C. (2012–2013)

Other Activities

  • Two Academic Excellence Awards from Escuela Libre de Derecho
  • President Magistrate of the Tribunal of Honor and Justice at Escuela Libre de Derecho
  • Ranked as an Associate to Watch for Corporate/M&A in Chambers Latin America 2026″.

    «I highlight Frida Atenas Cázares’ depth of knowledge and responsiveness.»

our team

Luis Segall Freidkes

Associate

Luis holds a law degree from Mexico City and a Master’s in Sports Law and Management, with over 11 years of experience in boutique litigation firms handling commercial, civil, and family matters across all Mexican courts.

practice areas

Commercial, Civil, and Family Litigation

education

Bachelor of Laws and Master in Sports Law and Management, Instituto Superior de Derecho y Economía (Madrid, Spain)

languages

English

Previous Experience

  • Intern at García Alcocer Abogados (2014–2016)
  • Intern at García González y Barradas Abogados; Attorney at GuatiRojo Abogados, López Melih y Estrada, S.C., and Palacios Cervantes (2016–2023)

our team

Diana Laura Oliva Rivero

Associate

Diana assists in coordinating legal processes in the litigation department, focusing on continuous improvement and human-centered legal solutions.

practice areas

Litigation

education

Graduate of Universidad Autónoma del Estado de México (2018)

languages

Inglés.

Previous Experience

  • Attorney at Segall Abogados (present)
  • Attorney in Morada Uno México’s legal department (2023–2024)
  • University intern at the Federal Judiciary (2022–2023)

Other Activities

  • Member of the Supreme Court’s “Right to Dissent” program

Recognitions

  • First place in the Gender Equality Competition (2022) by the Supreme Court of Justice of the Nation