
- Profile
Accolades
Testimonials
Collated independently by Legal 500 research team.
‘They have extensive experience and experience in addressing complex environmental issues. I want to highlight the exceptional performance of Úrsula Zavala and Jenny Caldas.'
‘Extensive knowledge of the mining sector.'
‘Knowledge and experience of the sector. Kindness and timely attention. Diego Pachas is an excellent professional.’
‘The best environmental lawyers in Peru.’
‘Exceptional professionals and people.'
‘It is a very compact team of very high-level professionals. The environmental area works properly coordinated with other areas of the Firm, which allows them to reinforce their opinions/strategies with a 360 vision.'
'They are an absolute benchmark in the market for attention to highly complex issues.’
Key clients
- Compañía Minera Antamina
- Minera Barrick Peru
- Repsol Exploración Perú, Sucursal del Perú (REPSOL)
- China National Petroleum Company (CNPC)
- Refinería La Pampilla
- CBC Peruana
- Consorcio Minero Horizonte
- Sociedad Minera Corona
- Compañía Minera Raura
- Panamerican Silver Corp.
Work highlights
- Advised Compañía Minera Antamina on the approval of the second amendment of the Environmental Impact Statement (MEIA) of the "Antamina" Mining Unit, to extend its mining operations in Peru from 2028 to 2036.
- Advised the Universidad Católica de Chile on the assessment of gaps between the Peruvian and Chilean Legal Framework considering the IRMA standard of social and environmental guidelines.
- Advised Compañía Minera Raura on the sanctioning administrative procedures initiated against the company by OEFA, the Peruvian Agency for Environmental Assessment and Enforcement, related to the fulfilment of environmental quality standards of water.
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.
Úrsula Zavala
Practice head
Francisco Tong