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Environment | Latin America

Puerto Rico

The environment chapter features both litigation and advisory/transactional support to clients. This includes the development of greenfield and brownfield sites, and pollution issues. 'Traditional' environment work includes regulatory compliance, litigation and enforcement actions related to air, water, wetlands, waste and endangered species. We also feature advice to corporate and financial clients on the environmental aspects of M&A, financings, securities offerings and other transactions.

Rankings overview for Departments

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1

Band 1

  1. O'Neill & Borges LLC
    1
    O'Neill & Borges LLC
    Environment
    2026 | Band 1 | 13 Years Ranked

    O'Neill & Borges houses a full-service practice and is renowned for its exceptional knowledge of Puerto Rican environmental law. The team handles permitting and regularly assists multinationals with land use and the environmental impact of corporate transactions, also representing clients in disputes before local and federal agencies. The firm possesses long-standing experience in waste management as well.

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  2. McConnell Valdés LLC
    Environment
    2026 | Band 1
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2

Band 2

  1. Pietrantoni Mendez & Alvarez LLC
    2
    Pietrantoni Mendez & Alvarez LLC
    Environment
    2026 | Band 2 | 13 Years Ranked

    Pietrantoni Mendez & Alvarez has a well-regarded environmental department and benefits from its ample experience acting as counsel to major players from the renewable energy industry. The team frequently advises clients on environmental regulations and compliance issues, including energy project permitting matters in Puerto Rico. The firm is also well equipped to represent companies in administrative proceedings.

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  2. Toro Colón Mullet
    Environment
    2026 | Band 2
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