ArnStein is a firm led by lawyers recognized in each of their practice areas, who have formed a team for more 20 years, advising high-profile local and international clients.

ArnStein
Your success, our purpose.

At ArnStein, we partner with our clients to address their legal and business needs with efficiency, integrity, and professionalism. Guided by a strong ethical foundation and a sense of responsibility, our vision is focused on creating opportunities and value.

Services

Public Law and Regulatory Affairs

Legal advice on public contracting and regulatory matters, with a comprehensive focus on compliance, litigation, and transactional support.

Corporate and Financial

Legal advice on investment structuring, M&A, corporate maintenance, financial transactions, contracts, and general business operations.

Tax Consulting and Litigation

Legal advice on tax planning, consulting, and handling of tax litigations for both local and international transactions.

Labor and Human Resources

Legal advice on individual and collective labor matters, social security, occupational health and safety and immigration law, as well as handling of administrative procedures and litigation.

Dispute Resolution

Expert representation in high-profile litigation and arbitration. We provide strategic mediation and negotiation services for complex commercial and corporate disputes.

Energy & Oil

Comprehensive and strategic advice in the natural resources industry, providing a global vision across all project stages, from exploration to commercialization.

Other Services

Advice on compliance and corporate governance, profile screening, fiduciary mandates, and professional legal representation.

What sets us apart

Experience

ArnStein’s team is defined by the extensive track record of our partners and associates, who have worked together for over 20 years. This long-standing collaboration has built a robust team with a comprehensive 360° perspective.

Recognition

We are recognized for successfully representing top-tier clients in complex cross-border operations with significant market impact. Our clients value our unwavering commitment and the depth of our professional capabilities and networks.

Clients

ArnStein serves as regular legal counsel to Fortune 100 corporations, leading local companies, and prominent investment funds across Latin America.

Our Team