Our team of attorneys and financial experts has extensive knowledge and experience in:
Recognitions

Chambers Latin America 2025

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"Pérez Bustamante & Ponce cultivate a culture of continuous learning and growth, ensuring that their team remains at the forefront of legal developments in the energy and natural resources sector."

Chambers Latin America 2024

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“Pérez Bustamante & Ponce provides a personalised service. It has a group of professionals of the highest level and with excellent training, which also corresponds to the firm's values and principles of compliance.”

The Legal 500 2024

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"Solid knowledge of the management of government relations, and they understand the socio-political context of the country. They help solve complex problems."

Latin Lawyer 250 2024

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This practice group has a long history in the sector. The firm is visible in oil and gas matters and advises clients on of renewable energy. Lawyers have experience working on important M&A transactions for international clients

Chambers Latin America 2021

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The only firm in Band 1

What is the team known for?

A market-leading energy and natural resources practice area that boasts an enviable portfolio of local and international clients. He offers advice on a wide range of corporate and regulatory matters within the oil and gas and mining sectors, including acquisitions and joint venture and concession agreements. The team offers particular experience in public and private tenders related to power generation projects. It has additional capabilities that help resolve environmental issues and contentious mandates related to the sector.

Strengths

An interviewee praises the firm for being “the most important mining and oil and gas firm in Ecuador”. Another source describes them as “experienced and highly knowledgeable lawyers who offer high-quality practical, analytical and technical advice.”

Chambers Latin America 2020

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What is the team known for?

A leading firm in the market that offers a complete range of services and a stellar practice in energy and natural resources matters, helping its clients with the full range of regulatory, transactional and contentious matters. Mining continues to be one of its strengths; The firm offers advice on concessions, legal auditing and international investments in the sector. Experienced advice on tenders and competitions in the oil, gas and energy fields.

Strengths

Clients praise the firm's service and one of them comments: “They have a solid reputation, excellent standards and great commitment to clients . It is definitely the firm to go to for any mining transaction in Ecuador.”

Interviewees agree that “it is a leading firm in Ecuador that provides excellent service and helps us meet our goals. It is one of the few that can handle this type of work and provide a service at an international level.

Chambers Latin America 2019

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Acclaimed firm that offers a complete range of services and frequently advises important international and local clients in the area of energy and natural resources, especially in the mining sector. Highly experienced in advising on concession contracts, project financing and environmental permits. Particularly active in the oil and gas fields.

Strengths:

Interviewees support the firm's approach, stating: "Their work is excellent and they are constantly improving their standards, which is very good."

Clients also characterize it as "a firm with a marked orientation towards the client, rapid response and precise and practical legal advice."

The Legal 500 2018

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Pérez Bustamante & Ponce's energy team has notable experience in representing important foreign clients in a wide range of sectors, including oil and gas, mining and renewable energy.

Latin Lawyer 2018

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Energy

This is a prestigious firm, highly appreciated by its clients, with a long history in the sector. Recently, his lawyers have advised important oil and gas companies in their negotiations with the government and have guided them in the handling of controversies in previous years.

Key partners

Sebastián Pérez Arteta and Francisco Roldán.

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