Payet, Rey, Cauvi, Pérez Abogados is well-equipped to handle complex domestic and cross-border arbitration cases and remains a market leader in the space. The team is experienced in representing clients from the mining, construction, energy, retail and banking sectors. Jointly leading the practice are Mario Reggiardo, who specialises in both investment and commercial arbitration; Mayra Bryce, who has expertise in arbitrations in the banking, construction and real estate sectors; and Micaela Ortiz, who has experience in arbitration related to the infrastructure, corporate and banking sectors. César Carlín, who was promoted to the partnership in January 2025, has extensive experience in commercial arbitration.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Payet's team is very willing to meet with the client and understand the complex technical and financial issues involved in the arbitration. Very good handling of the management with the technical and legal experts, as well as a detailed and neat drafting of the pleadings. Very good oral expression in hearings with the Arbitral Tribunal.'
  • 'The team is dedicated and detailed in the presentation of the case in arbitration and they have a cordial and trusting relationship with the client.' 
  • 'A team committed to the client.'
  • 'Micaela Ortiz analyses the case in depth. Alvaro Cuba and Augusto Dannon are promising young lawyers who analyse and engage with the client.' 
  • 'Extensive experience in dispute resolution, with successful results. Cases of complexity and involving different matters and sectors, which makes the team more specialised and solvent for new cases.'
  • 'Mario Reggiardo, partner in the area, is very professional, approachable and strategic, who has a lot of experience and is very reliable. I have seen him work closely with his team - he achieved an excellent articulation and synergy, achieving good results.'

Key clients

  • Scotiabank Perú
  • The Bank of Nova Scotia

Work highlights

Represented The Bank of Nova Scotia and Scotiabank Perú in its first ICSID claim against Peru.

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.

Practice head

Mario Reggiardo; Mayra Bryce; Micaela Ortiz

Other key lawyers

César Carlín