Marván, González Graf y González Larrazolo, S.C. (MGGL) is a top choice labour boutique for multinational companies navigating corporate reorganisations. The firm advises on labour best practices for restructurings, new business lines, and projects by foreign investors in Mexico. On the contentious side, the team is adept at handling union negotiations and lawsuits concerning profit-sharing rights. Recent standout work includes advising Atento México on remediation measures following a rapid response labour mechanism petition involving both the US and Mexican governments. Héctor González Graf advises leading names in the insurance, financial services and retail sectors on the labour aspects of M&A and restructurings and high-stakes disputes. He co-leads the group with Santiago Marván Urquiza, a reputable litigator who represents blue-chip corporate clients and financial institutions, and Nelson Guerrero Robles, who specialises in litigious matters spanning wrongful termination, profit-sharing and executive compensation. The team has a deep bench of junior partners, with Emilio Israel Garzón Juárez being the key labour adviser to the pharmaceutical and health industry, and Cristian Jésus Lamas Peregrina, noted for his expertise in labour consulting and litigation in the automotive sector. José Genaro Pérez Velázquez is an up-and-coming partner running affairs in the Guadalajara office, while Oscar Bojorge was promoted to partner in January 2024. Paulina Mendietta is a notable senior associate whose practice is focused on labour inspections, audits and the prevention of employment litigation. Since publication, Mendietta and Luis Abraham Flores (individual and collective labour relations) have been raised to the partnership - with effect from January 2026.
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+52 55 5340 6840
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Profile

Profile

Work Department
Transactional work, labor consulting, collective bargaining and complex dispute resolution, with a special focus on the implementation of strategies in union conflicts and regulation of outsourcing.
Position

Nelson Guerrero Robles is partner at Marván, González Graf y González Larrazolo. His practice focuses both on transactional work, labor consulting, collective bargaining and complex dispute resolution, with a special focus representing clients in all stages of complex litigious matters, including wrongful termination, profit-sharing and executive compensation litigation; collective actions and the implementation of strategies in union conflicts; compliance with outsourcing regulations and business restructuring.

He is also an experienced appellate attorney both in labour and employment litigation at all levels in federal and local courts of appeals.

Nelson counsels and represents various companies in different industries, including the energy sector, retail, technology and international call centers. He has gained notoriety as an advisor of trust due to his sensitivity towards his clients’ needs and ability to create efficient strategies.

Career

Nelson is cited by leading international directories as a leading lawyer in the market and consistently receives excellent client feedback. Chambers and Partners lists him as an Up-and-coming partner, and Legal500 states about his team that “Their closeness to the client, their speed of response, their readiness to understand needs, the quality of their responses, the follow-up to the issues, and the objective and accurate advice make them not only outstanding but experts”, garnering further praise from sources for his ability to resolve issues quickly.

Since 2020, he has been recognized by Best Lawyer regarding Labor and Employment Law.

Languages
Spanish and English
Education

He graduated as an attorney from Centro Universitario México (1995-2000), and has postgraduate degrees in Labor Law, Amparo and Corporate Law from Universidad Panamericana (2001-2003), where he also obtained a Master’s degree in Company Law (2010-2011). He is currently Professor in Labor law (Individual and Collective) at Universidad Panamericana (UP).

Content supplied by Marván, González Graf y González Larrazolo, S.C. (MGGL)

Testimonials

Collated independently by Legal 500 research team.

  • ‘It's a top law firm specialising in labour law. They have managed to grow significantly and stabilise in a rapidly changing market.'

    ‘The firm has professionals who understand their clients' needs well. It's a very solid team, well-led by the partners. They care about their clients and their issues and strive to provide outstanding service.'

    ‘The lawyers are interested in getting you answers. Their knowledge of labour and industry issues.'

    'It stands out for its specialisation in the pharmaceutical industry, its focus on customised solutions and its capacity for innovation. In-house lawyers should value its technical expertise, responsiveness and collaborative approach. Compared to other firms, this practice excels in technology, diversity and innovative billing models, establishing itself as an ideal strategic partner for the company.' 'They are interested in providing you with answers, not just racking up minutes on the phone to add to your bill. Their expertise in employment issues and the sector.' 'They have extensive knowledge of our company and good ethical practices, and their recommendations are in line with our values. Excellent customer service and up to date on the latest issues.' 'Knowledge of exceptions in contract terminations, implementation of new regulations, and employment risks. They compare favourably with teams from other firms in terms of their availability, flexibility and service attitude.' 'Nelson Guerrero is not only an experienced solicitor, but also has a keen sensitivity for delicate cases and for finding the middle ground between supporting the client and their employees.'

Key clients

  • Wal-Mart de Mexico HSBC Essity Johnson & Johnson Mead Johnson (Reckitt Benckiser) Levi Strauss Mexico Signify (Phillips) Agarmex BBVA Mexico Banamex Atento PayClip Xerox

Work highlights

Represented Atento Mexico in the rapid response mechanism (RRM) case and Dispute Settlement Panel under the USMCA Free Trade Agreement between Mexico, Canada and the United States.