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Lawyers at Arrieta Mantilla & Asociados ‘provide a perfect combination between the legal and the technical’, according to clients. The group leverages the wider firm’s public law firepower to excel in advising energy and natural resources companies on administrative law proceedings. Arguably best known for its work in the mining sphere, where it advises longstanding clients Carbones del Cerrejón, Drummond and Cerro Matoso on various public law, regulatory and contentious issues, the team also handles electricity and hydrocarbons-related work. Public law veteran Carlos Gustavo Arrieta provides ’excellent analysis and practical solutions’ and co-heads the department alongside Yady Villaquirán, who oversees the mining law area.
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Testimonials
Collated independently by Legal 500 research team.
‘The firm is characterised by its personalised attention; once it understands the legal problem, it provides advice tailored to the client's legal needs, avoiding actions or delays in solving the problem.’
‘The partners are assertive in their solutions and at the same time warm in handling client situations, which provides great peace of mind and trust.’
Key clients
- Carbones del Cerrejón and Cerrejón Zona Norte
- Drummond
Work highlights
Advised Carbones del Cerrejón and Cerrejón Zona Norte on various mining and public law issues, including representation in administrative proceedings before mining sector agencies and certain jurisdictional authorities.