
- Profile
Testimonials
Collated independently by Legal 500 research team.
- ‘A team that is efficient, solid and experienced.’
‘Excellent team. Good mix of senior and junior partners, as well as associates. Very good teamwork between them.’
‘In-depth knowledge of the law and experience in complex transactions.’
‘Prieto's team is an excellent choice for any transnational company considering complex commercial transactions.’
‘Mario Gorziglia and Luz María Calvo are excellent lawyers - detail-oriented, with great business sense and solid legal knowledge. Excellent tax lawyers.’
- ‘Mario Gorziglia is the key figure, but there is a team behind him of truly prepared and competent lawyers - magnificent choice.’
‘Mario Gorziglia is an incredibly sophisticated lawyer, with the ability to take on any kind of deal.’
‘Luz María Calvo is always attentive to clients - a great professional.’
Key clients
- British United Provident Association Limited (Bupa Chile)
- Energy X
- Veolia
- Vivo Corp
- Isapre Consalud
- Red Megacentro
- Los Andes Copper
- Pampa Camarones
- Viña Santa Carolina
- Fundación Fibra
Work highlights
- Advising BUPA on the tax aspects of mergers and corporate restructuring.
- Advised Energy X on the tax side to the purchase of lithium exploration concessions.
- Acted for Isapre Consalud in administrative claims before the IRS and judicial claims before the Tax Courts, Court of Appeals and Supreme Court.
Lawyers
Hall of fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Mario Gorziglia; Leonidas Prieto