
According to satisfied clients, Arrieta Mantilla & Asociados ‘stands out for its versatility, mental agility, broad business vision, and approachability’. The dispute resolution team frequently works in tandem with the projects group to provide strong expertise in litigation involving the infrastructure, energy and mining industries, with a focus on contentious work intersecting public law. Department co-head Paula Andrea Ramos handles disputes across a wide range of areas including public procurement, infrastructure, telecoms, and energy and natural resources; she recently represented Cerrejón Zona Norte in a $1bn constitutional action. Fellow co-head Carlos Alberto Manzano is valued for his ’great awareness’ and advises government entities, financial institutions, and domestic and multinational corporations on judicial proceedings concerning torts and contractual responsibility, among other issues. Additionally, founding partner Carlos Gustavo Arrieta remains active in contentious work and recently paired up with Ramos to advise Drummond on initiating a lawsuit against Servicio Geológico Colombiano and the Agencia Nacional De Minería. Senior partner Álvaro Mantilla is also noted for judicial and arbitral disputes, while Juan Felipe Cornejo and María Paula Saldarriaga are key supporting associates.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘The team demonstrates strong experience. We highlight Paula Andrea Ramos and Carlos Alberto Manzano, as well as associates María Paula Saldarriaga and Juan Felipe Cornejo.’
- ‘The AMYA team is experienced and trustworthy.’
Key clients
- Estudios y Proyectos del Sol (EPISOL)
- Concesionaria Ruta del Cacao
Work highlights
Defended Estudios y Proyectos del Sol (Episol) in a constitutional action that aimed to reverse a favourable Council of State ruling to Episol.
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.
Juan Felipe Cornejo
Practice head
Paula Andrea Ramos; Carlos Alberto Manzano

