Guerrero Olivos maintains a strong position in the Chilean environmental sector, advising clients throughout every stage of associated litigation and the environmental aspects of M&A processes. The group is also highly regarded for its regulatory work, particularly its handling of permits and environmental assessments for development in the construction and mining sectors. Notably, the firm has been selected to assist the Inter-American Development Bank (IDB) and the Chilean government with environmental public policy analysis. Three prominent practitioners co-lead the team: Clemente Pérez is a key contact for the environmental aspects of real estate and energy projects; Martín Santa María excels in environmental assessments, permitting and dispute resolution; and Sebastián Abogabir is a seasoned environmental lawyer with particular experience across the energy, natural resources and water utility sectors. Additional partner-level input is provided by Francisca Pellegrini whose practice encompasses energy & natural resources, projects and infrastructure, environmental law, water law and project finance. Associate Vicente Palma is currently a Latin America Fellow at White & Case LLP’s Miami office (effective as of July 2026).
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Testimonials
Collated independently by Legal 500 research team.
- They are very up-to-date on environmental legislation.
Key clients
- IDB and the Government of Chile
- Marimaca Copper
- Andes Solar
- Albemarle
- CCU
- HyNewGen
- Puerto Valparaíso
- Sustentable
- Inmobiliaria Manquehue
- Empresas Carozzi
- D’E Capital
- Valle Lo Campino
Work highlights
Advised the Government of Chile on the design and implementation plan for the country’s new Taxonomy of Sustainable Economic Activities, establishing the regulatory framework for green finance, green bonds, and sustainability verification nationwide.
Advised Marimaca Copper on the environmental strategy and assessment process for Chile’s leading new copper project, securing an expedited and unanimous environmental approval in under one year and enabling the project to enter into development in 2026.
Advised independent power producer Andes Solar on environmental permitting and the (successful) defence of the environmental license for its Andino Occidente II solar project against third-party invalidation challenges.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
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
Clemente Pérez; Martín Santa María; Sebastián Abogabir
Other key lawyers
Benjamín Pérez; Vicente Palma; Francisca Pellegrini