Firm Profile

O'Neill Arbitraje

Latin America Guide 2025

Ranked departments
Ranked lawyers
Latin America

O'Neill Arbitraje

O'Neill Arbitraje

Share profile

About

Provided by O'Neill Arbitraje
Latin America
Firm Details

O’Neill Arbitraje

https://oneillarbitraje.com/en/home/

O´Neill Arbitraje was founded in 2022, in the basis of more than 25 years of professional experience of Cecilia O’Neill, as a lawyer, as a professor and as an international arbitrator.

Partners: Cecilia O’Neill

Associates: Melissa del Pino, Andrea Chumpitaz

Madrid and Lima


Firm Overview

Cecilia O’Neill has been an arbitrator in approximately 150 arbitral proceedings, completed and pending, domestic and international, in the Arbitration Center of the Lima Chamber of Commerce, the Arbitration Center of the American Chamber of Commerce of Peru – AMCHAM, the Arbitration Center of the Pontifical Catholic University of Peru (PUCP), the Arbitration Center of Mexico, the Madrid International Arbitration Center and the ICC International Court of Arbitration. She has also broad experience as a counsel and legal expert. Approximately 60% of the cases in which Cecilia O’Neill has participated are related to contractual, commercial and corporate matters of various kinds and the remaining 40% involve contracts with the State, with application of the rules of public–private partnerships, linked to infrastructure concession contracts, or with application of the rules of public procurement.


Main Areas of Practice

Contractual/ Corporate

Analysis of agreements related to investment commitments on an agro-industrial project; for the subscription of share quotas of an investment fund; for the purchase-sale of a company in the electricity sector; for the transfer of broadcasting rights for professional football matches; for the creation of a right of way and of easement for an electroduct in favor of a mining company; for the operation of an airport; for the repair of industrial infrastructure; for the supply of chemical products to a fishing company; for the construction of communications infrastructure sites; for surface rights and assignment of contractual position regarding the operation of shopping malls; for the conduct of a delinquent account management business; for the carriage of cargo by sea; for the pre-investment study at the feasibility level of an infrastructure project; for maintenance provided to a state-owned drinking water and sewerage company; for security provided to a state entity; among others.

Gas, oil and energy

Matters involving the Economic Operation Committee of the National Power Grid (Comité de Operación Económica del Sistema Interconectado Nacional - COES), of the Peruvian electricity system, with various power generation companies, regarding events related to generation deficits, valuations of active energy and power transfer, and the calculation of short-term marginal costs, among others. Contracts regarding hydrocarbon exploration and exploitation operation; for the provision of electricity transmission services to an oil refinery; for the verification and analysis services of the purchase and sale of Liquefied Petroleum Gas (LPG) for the management of the assets of the concession of Gasoducto Sur Peruano; among others.

Regulation and PPPs

Concession agreements for the Callao Port Terminal (North Pier) in relation to service levels and productivity; for the Provision of Carrier Service, Local Telephone Service and National and International Long-Distance Service; regarding the framework of the National Fiber Optic Dorsal Network Project; for the Electric Mass Transport System for Lima and Callao, Line 1; for the design, financing, construction, equipping and operation of the Lima Metro; regarding the Peru-Brazil Interoceanic Corridor; in relation to airport infrastructure; among others.

Construction

Extensions of term and recognition of overheads regarding various road construction contracts, signed by the authority on transport infrastructure; extensions of term and payment of overheads related to the construction of a hydroelectric power plant; among others.


Offices

[email protected]

+34 663610676

+51 994618062

Calle de Ulises 36

CP 28043 Madrid

Spain

Calle Baltazar La Torre 319

San Isidro, CP 15076 Lima

Peru

Ranked Offices

Provided by O'Neill Arbitraje

Spain - Head office

O'Neill Arbitraje rankings

Latin America Guide 2025
Peru
Dispute Resolution: Most in Demand Arbitrators
1 Ranked Lawyer
Lawyers
Cecilia O´Neill
1
Cecilia O´Neill
1
Band 1