Mr Sergio Arbeleche > Bruchou, Fernández Madero & Lombardi > Buenos Aires, Argentina > Lawyer Profile

Bruchou, Fernández Madero & Lombardi
Sergio Arbeleche photo

Work Department

Mining / Environmental Law / Corporate Compliance, Internal Investigations and Business Crime.




Since 1998, Mr. Arbeleche and Sebastián P. Vedoya have become key members forming part of the natural resources and environmental departments at prestigious law firms that specialize in such areas of practice. In 2002, he was retained as legal advisor under the United Nations Program (PNUD), for mining development purposes, of the federal mining authority and the Management Commission of the Treaty for Mining Integration and Complementation between Chile and Argentina. He further participated actively in the design of promotional tools for mining activity for approximately a year.

He advises and counsels local and foreign companies on mining, environmental and hydrocarbon aspects, including issues related to contract law, administrative law, public international law and constitutional law in that regard. He has advised both mining projects and operating mines. He has participated in several acquisitions, negotiations, and assignments of rights and mining properties, including due diligence and title assessment, draft and analysis of contracts, preparation of Feasibility Studies, permit proceedings and formalities, and follow-up thereof, defense of vested rights and promotional systems, among others. He has also actively participated in and collaborated with the design and preparation of promotional and environmental rules and regulations, both at federal and provincial level. Furthermore, he has served as environmental auditor and has participated in investigations in the compliance department of certain mining companies. He has vast experience in providing advice and counsel for bi-national projects between Argentina and Chile, in connection with both mining and traffic and road aspects.

In 2013, he worked as coordinator of the Legal Affairs Committee of the Argentine Chamber of Mining Entrepreneurs (CAEM), and in 2014, he was appointed Editorial Secretary of the Argentine Magazine on Energy, Hydrocarbon and Mining Law (RADEHM).

He has been a university professor of Natural Resources and Environment at UMSA for almost seven years. Since 2013, he has been head lecturer of the “Master of Mining Business Management” course at Universidad Católica de Cuyo.

Since the end of 2014, Mr. Arbeleche, together with Mr. Vedoya, has been in charge of the Mining and Environmental areas of practice at the law Firm.


Spanish, English and Portuguese.


– Law School of the Universidad Católica Argentina.
– Pre-Master of Corporate Law at Universidad Austral (1997).
– Postgraduate Specialization Course in Oil & Gas at Universidad de Buenos Aires (2011).
– International LL.M. Program on US Law and International Business Law, cum laude, Suffolk University (2013).
– Environmental Postgraduate Course at Universidad Católica Argentina (2016-2017).
– International Certification in Ethics and Compliance at CEMA University (2018).

Lawyer Rankings

Argentina > Energy and natural resources > Mining

(Leading individuals)

Sergio ArbelecheBruchou, Fernández Madero & Lombardi

Bruchou, Fernández Madero & Lombardi continues to strengthen its profile for mining work and the increasingly impressive practice recently added Mineros and Metalla Royalty & Streaming to its client portfolio. Among its longstanding retainers, the group advises mining giants Barrick Gold Corporation, First Quantum Minerals and Yamana Gold (through its Argentine subsidiaries) on day-to-day matters. Among its transactional highlights, the group assisted Mineros with its $60m acquisition of the Gualcamayo mine from Yamana Gold — together, department co-heads Sergio Arbeleche and Sebastián Vedoya led that work.

Argentina > Environment

Responsive, prompt and accurate’, Bruchou, Fernández Madero & Lombardi’s practice stands out for its ‘excellent knowledge of the law and precedents’ as well as for its ‘multi-disciplinary approach to problem-solving’. The department, which is led jointly by Sebastián Vedoya and Sergio Arbeleche, spans a broad scope of regulatory, transactional and contentious work, with particular expertise in mining-related matters. Representative clients include Barrick Gold, Patagonia Gold and First Quantum Minerals subsidiary Corriente Argentina. Associate Pablo Crimer impresses with his ‘strong service levels’.