Mr Andrés Ossandón > Arteaga Gorziglia & Cia Abogados > Santiago, Chile > Lawyer Profile

Arteaga Gorziglia & Cia Abogados
El Golf 40
5th floor, Las Condes
Santiago de Chile
Andrés Ossandón photo

Work Department

Tax Law / Tax Planning / Tax Efficiency / Private Wealth / Corporate M&A Law / Foreign Inbound/Outbound Investment


Partner of Arteaga Gorziglia and head of Tax Law Group.


Mr. Ossandón has over 13 years of experience in counseling companies and individuals in highly complex tax matters, especially tax efficiency, tax planning and the defense of taxpayers in tax litigations. He also has vast experience in mergers and acquisitions, tax planning for investment projects; tax efficiency, tax litigation; customs litigation; Civil law; Commercial and Corporate Law and Foreign inbound/outbound investment.

Mr. Ossandón worked at Deloitte Tax & Legal from 2010 to 2016. From 2016 to 2020 he was Director of the Chilean-Belgian Camera of Commerce.


Spanish, English


Diploma in Accounting and Taxation, FEN, Universidad de Chile (2012). Law graduate from the Pontificia Universidad Católica de Chile (2010).

Lawyer Rankings

Chile > Corporate and M&A

The sizeable corporate department at Arteaga Gorziglia & Cia Abogados houses experts in cross-border M&A transactions, predominantly in the energy, infrastructure and retail sectors. The team is also increasingly active in M&A deals involving digital companies, such as e-commerce operations and app-related start-ups. The group is led by Arnaldo Gorziglia, whose broad expertise encompasses M&A, corporate restructuring, capital markets, and infrastructure project financing; fellow name partner Ignacio Arteaga is a commercial, corporate and business specialist; while the ‘outstandingLuciano Cruz is a commercial law and energy expert. Also integral to the group, Andrés Ossandón is tax law head, while Cristián Carpentier -who was promoted to director in October 2022- has significant experience in M&A, and reorganisation and restructuring agreements.

Chile > Tax

With a track record that includes handling the tax aspects of large company sales, corporate reorganisations and financing deals, Arteaga Gorziglia & Cia Abogados’ five-member practice offers tax advice and planning, tax-side defence work and the resolution of tax controversies.  The group – which is ‘well known in the market’ – is led by Andrés Ossandón, who assists with tax efficiency issues, planning and litigation, particularly in regard to the retail, real estate, energy and infrastructure sectors. At associate level, Gonzalo Guerra (an August 2022 hire from EY Chile) acts for both companies and individuals on tax matters; former senior Alejandra Ross departed the firm in March 2023.