Castellan Abogados’s multidisciplinary dispute resolution team excels in civil and commercial disputes, corporate conflicts and insolvency cases, and is led by Maria Lucia Acosta and Santiago Castellán. Acosta specialises in high-stakes, multi-jurisdictional disputes, complex litigation and arbitration, particularly in infrastructure, retail and agribusiness. She has advised multinational clients such as Kia Motors and Luxottica Group on arbitration-related litigation and the enforcement of arbitral awards. Associate Carolina Diaz de Armas focuses on civil, consumer protection, commercial and administrative law disputes, with expertise in cross-border dispute resolution and international contracts. Associate Paola Spangenberg Beceiro specialises in civil, commercial and administrative law, advising companies on bidding processes, government disputes and cases involving sensitive social issues.
Legal 500 Editorial commentary
Accolades
Client satisfaction
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
‘Castellan's legal team is distinguished by its highly specialised approach and deep knowledge in each area we have consulted on.'
‘I find the group's organisation, respect, and ability to interact in designing client strategies to be remarkable.'
‘It's an organised team, with good management in the distribution of tasks and roles, while always maintaining a professional, humane, and direct approach to their clients.'
‘Castellan's main differentiation from other law firms is their involvement with our company and our business, clearly understanding the background and implications of each situation and the possible resolution options for each case.'
‘Their willingness to engage in the issues and the quality of their contributions regarding the different resolution options. Their composure during negotiations and their ability to listen and defuse tense moments during negotiations, especially on the part of Dr. Castellán and Dr. Acosta.'
‘The personal attention of Castellán's partners is a distinctive feature compared to other firms of similar quality and/or number of professionals in charge. For their part, the associates have demonstrated excellent training and professional judgment in resolving the cases we have worked with them, demonstrating seriousness and depth in their advice and dispute management. The Castellán firm stands out for its organisation and human quality, which allows working with them to always be affable.'
Key clients
- Aleph
- Shift Brazil
- Grand Vision (Essilor Luxottica group)
- M Dias Branco - Las Acacias
- Sandonato
- Kia Motors Uruguay
- MAPA
- Grupo Losan
- Club de Golf del Uruguay
- Guru'Guay
- Export Jaime
- Alva Creative House
Work highlights
Represented Grupo Losan in a contractual dispute with its local partner in Uruguay following a contract termination and commission claim.
Advised Las Acacias in challenging irregular procurement processes, ensuring fair bidding conditions and defending against administrative disputes.
Assisted Export Jaime, an Ecuadorian exporter, in a breach-of-contract case against a Uruguayan distributor.
Lawyers
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
María Lucía Acosta
Other key lawyers
Santiago Castellan; Carolina Díaz de Armas; Paola Spangenberg Beceiro