Nicolás, partner at Barros & Errázuriz, has more than 20 years of professional experience. He has mainly developed the areas of infrastructure, banking and finance and mergers and acquisitions of the Firm, leading teams for the construction of the two liquefied natural gas terminals in Chile; construction and financing of ports and roads, both in the country and abroad; financing of two of the three groups of private prison concessions in the country; financing of the only urban tunnel in Chile; construction of oil pipelines and airports; financing and development of generation and electric transmission projects, among others.

Through corporate and project financing, legislative and governmental advising, infrastructure, energy and corporate advising in general, Nicolás has represented banks and public and private financial institutions, port companies, public works concessionaires, construction and engineering companies, sponsors and shareholders of the previous ones.

Nicolás forms part of the list of arbitrators of the Arbitration and Mediation Center of the Santiago Chamber of Commerce.

Practice Areas


  • Law School, Pontificia Universidad Católica de Chile, Santiago, Chile. Degree awarded with two votes of distinction (1996)
  • Energy and Environment (LL.M.), Tulane University School of Law, New Orleans, United States (2000)

Professional Experience

  • Partner, Barros & Errázuriz (1995)
  • Foreign Associate, LeBoeuf, Lamb, Greene and MacRae LLP, New York, United States (2000-2001)

Academic Activities

  • Professor, Legal Aspects of the Company, Universidad de los Andes, Chile (2007 – to date)
  • Professor, Financial Law, Pontificia Universidad Católica de Chile, Santiago, Chile (2010-2014)
  • Visiting Professor, University of California School of Law, Los Angeles, United States (2014)
  • Professor, Money Credit, Pontificia Universidad Católica de Chile, Santiago, Chile (2005-2006)


  • Spanish
  • English


  • Member of the Chilean Bar Association
  • Member of the Arbitration and Mediation Center of the Santiago Chamber of Commerce
  • Member of the Legal Committee of the Asociación de Concesionarios de Obras de Infraestructura Pública AG (Copsa), Chilean union entity that groups most of the holders of public works concession contracts tendered by the Ministry of Public Works

Final Acknowledgments

  • Leading Lawyer, Legal 500 2019, Chile, Banking & Finance
  • Leading Lawyer, Legal 500 2019, Chile, Projects
  • Band 4, Chambers Latin America 2021, Chile, Projects
  • Highly Regarded, IFLR 1000 2021, Chile, Banking & Finance
  • Thought Leader, LACCA Approved 2020, Banking & Finance


  • Environmental Mediation in the United States of America: Doctrine and Practice.
Revista de Derecho Administrativo Económico (Journal of Administrative Economic Law), Vol. 3 Nº 1, Pontificia Universidad Católica (2001)
  • Crime essays: Vision of new professionals. Several Authors, Published by the Fundación Paz Ciudadana (Citizen Peace Foundation), 1997
  • Judicial Assistance Corporations and Attorneys of Record: Failure to Comply with a Constitutional Guarantee?
Revista Chilena de Derecho (Chilean Journal of Law), Vol. 27 Nº 4, Pontificia Universidad Católica (2000)
  • Urban Forestry through Environmental Compensation.
Center for Public Policies, Año 6 N° 43, Pontificia Universidad Católica (2011)