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Our Firm


We strive to build prosperous and longstanding relationships with our clients, fulfilling their needs through innovative solutions.

Presence in 



100+ specialized professionals

Practice areas


We are committed to provide sophisticated legal advice and add value to our clients by delivering high quality legal products and services.

We work hand in hand with our clients in structuring and implementing solutions that meet each of their needs, measuring our success based on their satisfaction and the achievement of their goals.

Our professional team has studied in the most recognized universities in Mexico, and the majority has postgraduate studies and working experience in reputable law firms abroad.

Our practice areas include: Arbitration and Dispute Resolution, Aviation, Banking and Finance, Capital Markets, Competition and Antitrust, Compliance, Anti-corruption and Investigations, Energy and Infrastructure Projects, Environmental and Social Impact, Mergers and Acquisitions, Real Estate, Restructurings and Insolvency, and Tax.

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Since its foundation, Ritch Mueller has been active in the development and growth of Mexico’s financial and securities markets.


James E. Ritch

Foundation date




Ritch Mueller was founded in 1975 in Mexico City by a group of professionals lead by James E. Ritch, with the idea of establishing a specialized practice with a transactional approach to address the needs of the financial sector.

Our firm initially focused on advising international investment and commercial banks in their activities in Mexico. Today, our practice areas have grown to transform Ritch Mueller into a multidisciplinary firm serving domestic and international clients. As a result, our banking and finance, and capital markets practice areas have been complemented by other areas such as arbitration and dispute resolution, aviation, competition and antitrust, compliance, anti-trust and investigations, energy and infrastructure projects, environmental and social impact, mergers and acquisitions, real estate, restructurings and insolvency, and tax. 

From our offices in Mexico City, we provide services to all economic sectors in Mexico.
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We privilege the values that foster the rendering of a professional and ethical service, and that contribute to build a better society. 

Legal practice

Professional and innovative

Fundamental principles

Honesty and ethics


Creative and propositive solutions

Our legal practice is based on the highest ethical standards and fundamental principles of honesty, transparency and respect for others, favoring the values that foster human development and contribute to building a better society.

We seek to be accessible, efficient, responsive, creative, technologically sophisticated, and to focus our effort on meeting the needs of our clients.

We believe that the diversity of people, perspectives and experiences, can lead to creative and propositive solutions. As our workforce grows to reflect this diversity in our working environment, our efforts to develop a culture of inclusion have become essential to our Firm.
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Social Responsibility

We are commited to the development and well-being of the communities where we live and work.


Pro Bono Services Environmental Awareness

International recognitions

Pro Bono "Leading Lights"

We are committed to the development and well-being of the communities where we live and work, which is why we provide pro bono services and actively participate in a variety of initiatives for the benefit of our society and the environment.

Our firm was one of the original signatories of the "Pro-Bono Declaration of the Americas" promoted by the Cyrus R. Vance Center for International Justice of the New York Bar.

We currently have an institutional pro bono program, whereby our partners, associates and law clerks are engaged with the same level of commitment and excellence that characterizes our work with all of our clients. 

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