Testimonials
Collated independently by Legal 500 research team.
‘The team's advice on mining matters is comprehensive; that is, it does not limit its analysis solely to specific regulations but has the ability to integrate and anticipate risks in administrative law, environmental law, etc. This makes its support extremely effective and generates security, making it stand out.’
‘Yady Villaquirán is known for her friendly, efficient, and concise approach to the issues or cases we have with her. This personalised and clear approach generates security and trust.’
‘The firm stands out for its sound judgment and experience. Lawyers work very well with other law firms when necessary.’
‘Carlos Gustavo Arrieta stands out for his experience and good judgment.’
- ‘Its professionalism is unique; lawyers are extremely committed, organised, structured, and innovative. I know few firms like this; in fact, Arrieta Mantilla is the first law firm we have engaged that truly demonstrates a commitment to the process.’
- ‘Associate Rodrigo Sanchez is very committed, resourceful, and innovative, offering solutions even in very complex situations. He takes the power entrusted to him with complete seriousness.’
Key clients
- Carbones del Cerrejón
- Cerro Matoso
- Colgas
- Vatia
- Drummond Coal Mining
- Zijin - Continental Gold Ltd. (Colombia branch)
- Cerrejón Zona Norte
- P.A Río Frío
- Aes Colombia
- Orica Colombia / Orica Norway
- Celsia
- Conocophillips
Work highlights
Practice head
Carlos Gustavo Arrieta; Yady Villaquirán
