Bustamante Fabara‘s team ’is distinguished by its deep knowledge of the hydrocarbon sector and its strategic focus on mitigating regulatory and contractual risks’. While the group concentrates on oil and gas, it has also expanded its workload into hydrocarbons and solar energy. Practice head Rafael Valdivieso focuses on the downstream and upstream segments, and has ‘in-depth knowledge of the oil industry, especially participation contracts’. Gustavo Almeida, a key team member who was promoted to director in April 2025, adeptly handles a variety of matters in the hydrocarbons and electricity sectors, and often advises on services contracts within oil production and electricity projects, including hydroelectricity. Bruno Pesantes, who was also made director in April 2025, is a key contact for mining projects.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'The energy team at Bustamante Fabara is exceptional. One of their greatest advantages is that they are a multidisciplinary team, spanning all energy industries. Despite being a small team, they meet clients' expectations, which also makes them unique, as it is not necessary to have multiple lawyers to accomplish the same goal. Furthermore, one of their strengths is the punctuality and precision of each of their actions. Furthermore, their entire team is prepared to handle the most uncomfortable and difficult situations in a friendly and respectful manner, always meeting client expectations.'
  • 'The advantage that makes them stand out the most is their multidisciplinary team. At the helm, Rafael Valdivieso Eguiguren, while leading all areas, has in-depth knowledge of the oil industry, especially participation contracts. This makes him the ideal lawyer to participate in the negotiation with the State. On the other hand, Gustavo Almeida Oleas, senior associate, is one of the few lawyers with experience and knowledge of the electricity sector in the country. His diligence and attention to detail make his work stand out and generate trust among clients. Bruno Pesantes, senior associate, is a key member of the team. He is a diligent lawyer with extensive knowledge of the mining sector. One of his best characteristics is his immediate availability and friendliness with clients. Last but not least, Analía Andrade de Piérola stands out for working cross-functionally with all team members, which gives her knowledge of all areas. Analía is diligent, approachable, and collaborative.'

Key clients

  • Exploraciones Mineras Andinas Ecuador Emsaec
  • Hidrosierra

Work highlights

Assisted Aramco Trading Americas with a review of the Ecuadorian legal framework applicable to the carriage of hydrocarbons by sea, to and from Ecuador, the general environmental liability regime, and the special marine pollution provisions.

Lawyers

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.

Practice head

Rafael Valdivieso