A global firm that serves a broad range of clients across North America in complex matters & complementary practices.
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León Barrena Rodríguez & Partners LLP [ About ]■
León Barrena Rodríguez & Partners is a multidisciplinary professional services group advising a diverse portfolio of clients across North America.
We specialize in complex consulting matters, as well as complementary practices that demand strategic, cross-disciplinary insight and flawless execution. Our Mexican law firm provides legal counsel in Mexico through licensed Mexican attorneys. Our advisory practice provides strategic consulting, government affairs, cross-border structuring and transaction support to corporations, investors and institutions.
LBR operates as a strategic risk integrator: preserving client access, cross-border connectivity, institutional credibility, business certainty, and decision-making optionality across the U.S.–Mexico security and trade corridor. Through the coordinated deployment of strategic consulting, integrated government affairs, and top-tier real-time analytics, LBR builds the most effective institutional bridge between the United States and Mexico. This integrated model allows clients to navigate business friction, political volatility, and security asymmetries with precision, maintaining continuity and leverage where others encounter constraint or withdrawal.
Our firm blends the rigor and sophistication of an international consulting group with the agility and personal focus of a boutique advisory team. We partner with corporations, investors, and institutions to navigate high-stakes transactions, disputes, and regulatory challenges with precision, clarity, and confidence.
[ our divisions ]Our Practice Areas
LBR operates across the United States–Mexico corridor through two service lines: Mexican legal practice, delivered by licensed Mexican attorneys, and cross-border advisory, delivered by non-legal professionals.
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Formation, governance, and reorganisation of Mexican entities; shareholder agreements, commercial contracts, and corporate secretarial matters. Includes foreign investment requirements, RNIE registration, and corporate compliance under Mexican law.
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Representation before Mexican federal and local courts in contractual disputes, damages claims, shareholder conflicts, and asset recovery, together with arbitration and mediation seated in Mexico.
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Mexican tax planning, audit response, and contentious representation before the SAT and the Tribunal Federal de Justicia Administrativa, including amparo proceedings and fiscal compliance for cross-border structures under Mexican law.
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Defence in Mexican criminal proceedings with emphasis on economic and white-collar matters, including representation before the Fiscalía, internal investigations under Mexican law, and precautionary measures.
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Employer-side Mexican labour practice: individual and collective contracts, union relations, workforce restructuring, IMSS and INFONAVIT compliance, and representation before the labour courts.
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Proceedings before Mexican federal and state authorities — permits, licences, concessions, inspections, and sanctions — including recursos de revisión, nullity actions, and amparo against administrative acts.
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Divorce, marital property regimes, support, custody, and parental rights, together with wills, successions, and estate planning under Mexican law.
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Mexican visas, residency, and work authorisation for corporate and individual clients, including INM filings and employer compliance for foreign nationals in Mexico.
Legal Practice · Mexico
Advisory Services · Cross-Border
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Commercial architecture for investment vehicles: economics and waterfall design, financial modelling, operating infrastructure, administrator and auditor selection, and governance frameworks. We coordinate the launch; fund documentation and legal opinions are prepared by independent counsel engaged directly by the client.
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Buy-side and sell-side transaction support: valuation, financial modelling, commercial and financial diligence, structuring analysis, and post-closing integration planning. Transaction documents are prepared by counsel engaged by the client.
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Engagement with legislators, regulators, and public institutions across the U.S.–Mexico corridor. Policy analysis, position papers, stakeholder mapping, and strategic foresight directed at policymaking and lawmaking functions.
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Mapping of regulatory environments, permitting pathways, and institutional stakeholders; sequencing, timeline, and cost planning for market entry and expansion. Determinations of legal requirement are made by qualified counsel in the relevant jurisdiction.
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Counterparty and beneficial-ownership research, sanctions and adverse-media screening, source-of-funds review, and integrity assessments supporting investment, financing, and commercial decisions.
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Commercial and financial advisory across power, hydrocarbons, renewables, and infrastructure: feasibility analysis, interconnection and utility pathway assessment, capital structuring, and execution planning.
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Bookkeeping, financial reporting, and fiscal administration for Mexican operations — CFDI, IMSS, and SAT filing support — delivered through licensed Mexican professionals. We do not provide audit or attestation services.
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Design and deployment of reporting automation, compliance workflow, and portfolio-monitoring systems, including implementation of the firm's AI operating platform across client organisations.
Let’s Work Together
We invest in the brightest professional talent and build dynamic teams that operate at the pinnacle of their respective areas.
And we believe in empowering our advisers, encouraging entrepreneurialism, operating ethically and with integrity, and collaborating to bring our best to every engagement.
These principles have guided us in building successful long-term partnerships with clients since our founding.
This experience and expertise creates a firm with the power to shape our clients’ fortunes and apply our knowledge in groundbreaking ways – whether through innovative thinking or new products, services and technologies.