Firms To Watch: Energy and natural resources

Coronel & Pérez has a niche in natural resources disputes, particularly international contractual disputes related to construction projects, including arbitration. Hernán Pérez Loose, César Coronel Ortega and Felix Reyes Chevez lead the team.

Energy and natural resources in Ecuador

Ecija GPA

ECIJA is noted for having ‘a recognised track record in the hydrocarbon industry’ and has been involved in some of the country’s biggest hydrocarbon projects over the last decade. Beyond hydrocarbons, the group displays a ‘broad knowledge of energy and natural resources laws‘, with clients including large state-owned and private companies both in Ecuador and overseas. Gonzalo González, Bayardo Poveda, hydrocarbon sector expert and senior associate Gustavo Arrobo, and Álvaro Ordoñez are key figures in the team, the latter of whom ‘has extensive experience in the energy, electricity and mining sectors’ and leads the mining group at the firm. González has acted in significant work such as electric sectors throughout the region, and has advised on the execution of contracts, and experienced energy sector lawyer Poveda is an M&A expert, often working on public-private partnerships and cross-border acquisitions in the energy sector.

Responsables de la pratique:

Gonzalo González; Bayardo Poveda; Gustavo Arrobo; Alvaro Ordóñez


Les références

‘The department has several efficient specialists.’

‘They are excellent people. Alvaro Ordoñez has extensive experience in the energy, electricity, and mining sectors. He is a reliable professional who provides personalised attention.’

‘They have very in-depth knowledge of the industry.’

Principaux clients

Franco Nevada Corporation


Pampa Energia


Enap Sipec


Cóndor Servicios Petroleros


Ecuadorian Drilling Services


Sipetrol


Gasgreen


Plus Petrol


Institu Nowak Idnq


Principaux dossiers


  • Advised Franco Nevada Corporation and TORYS on one of the largest mining transactions in Ecuador in recent years.
  • Advising Gas Green on the expansion of a biogas plant in the city of Quito.
  • Assisted Pampa Energia with the corporate restructuring of a complex operation involving local and foreign companies.

Flor Bustamante Pizarro Hurtado Abogados

Commended for its ‘knowledge and experience in mining and environmental law’, Flor Bustamante Pizarro Hurtado Abogados regularly advises large mining companies looking to access the Ecuadorian market and assists them with their operations in the country. Roque Bustamante, who is prominent in both the gas and mining sectors, and Mario Flor oversee the team, in which ‘each member understands their role and responds accordingly’. The practice heads are supported by Claudia Bustamante at the associate level. Flor has been involved in many groundbreaking renewable energy projects in Ecuador, including hydroelectricity projects, and Andres Ycaza is noted by clients for having regulatory experience in the mining sector, including in the context of financing transactions. Elsewhere, Agustín Hurtado is key on the non-renewable side, especially in oil and gas, having acted for major oil operators in the country.

Responsables de la pratique:

Roque Bustamante; Mario Flor


Les références

‘The team has knowledge and experience in mining and environmental law. They have supported us in some administrative procedures with government institutions, and their advice has been highly valued.’

‘Andrés Ycaza – I am very familiar with his professionalism and experience in mining and environmental regulatory matters. Andrés is well-known and highly regarded in the mining industry, making him a highly regarded lawyer. His legal judgement is highly valued by mining companies and public institutions.’

‘The team is aligned with our company’s expectations. Each member understands their role and responds accordingly.’

Principaux clients

Solarpack


Barrick International


Silvercorp


Newcrest / Newmont


Anglo American


South 32


Geopark


Wheaton Precious Metals


Primax


Dundee Precious Metals


Atico Mining – Compañía Minera La Plata


Sunstone Metals


Andes Petroleum Ecuador


Halliburton


Remedy renewable Energy


Orex Metals


Principaux dossiers


  • Advised Barrick on its entry into Ecuador, supporting the company’s efforts to explore and acquire potential mining projects in the country.
  • Advised Silvercorp on the acquisition of Adventus Mining Corporation.
  • Advised Dundee Precious Metals on regulatory matters for the Loma Larga Project, and Atico Mining for the La Plata Project.

Pérez Bustamante & Ponce

Pérez Bustamante & Ponce is engaged in both the public sector, with matters relating to mining regulation by the Government of Ecuador, and the private sector, with large oil and gas companies featuring as key clients. It has recently expanded its work in alternative energy projects such as sustainability projects through the hire of senior associate Santiago Miño. The group has a broad range of environmental regulation knowledge, the remit of Sebastián Cortez, who utilises this knowledge to assist oil and gas companies with operations and negotiations, including contractual matters. More broadly, the group handles regulatory, commercial and environmental matters related to hydrocarbons, electricity and mining as well as in the renewable sector. Francisco Roldán-Cobo, Sebastián Pérez-Arteta, Jaime Zaldumbide and María Isabel Aillón are all key team members, and at the associate level María Paula Grijalva-Galárraga stands out for advice on land use in power projects, often including electricity and non-conventional renewable energy. Estefania Lopez-Verdu has been promoted to the partnership, and the firm has significantly boosted its environmental law capabilities with the hire of specialist Rafael Pástor Vélez (plus three associates and four technical specialists) from his boutique law firm.

Responsables de la pratique:

Francisco Roldán Cobo; Sebastián Pérez Arteta; Jaime Zaldumbide; Sebastián Cortez; María Isabel Aillón


Principaux clients

Entoria


Adelca


Pronaca


Enerland


Cobra


Total Energies


Neoen


PCR


Pluspetrol


Codelco


Principaux dossiers


  • Assisted Villonacoenergy with obtaining the declaration of public utility for some of the land required for the Villonaco III Wind Power Project.
  • Advised PetroOriental OCP holding on the regulatory, tax and antitrust requirements and the process to follow in Ecuador to be able to sign a share purchase agreement to sell its shares in OCP to Pampa Energía Bolivia.
  • Advised Petrolia on the negotiation and execution of two agreements with the Ministry of Energy and Mines for the execution of due amounts concerning the application of the stabilisation clause in Service Exploration and Production Contracts for Blocks 16 and 67.

Bustamante Fabara

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.

Responsables de la pratique:

Rafael Valdivieso


Les références

‘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.’

‘For us, an important part of the legal practice is identifying risks before they become major problems. In addition to being multidisciplinary, which requires a wide range of skills and knowledge, the Bustamante Fabara team competes with the largest law firms in the country.’

Principaux clients

Exploraciones Mineras Andinas Ecuador Emsaec


Hidrosierra


Primax


Enap Sipec


Frontera Energy


World Kinect Energy Services (formerly World Fuel Services)


Solaris Resources


Amara NZero


The Nature Conservancy


Silver Crown Royalties


Petrobell


Principaux dossiers


  • 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.
  • Advised Primax on the acquisition of the second largest downstream company, Terpel, and in all its business in Ecuador, including 107 fuel service stations.
  • Advised EMSAEC on all regulatory matters, including everyday issues, and specifically in the elaboration of a complex matrix of all regulatory risk.

Robalino

Robalino has a broad energy offering and regularly advises clients on contractual issues and financing transactions. Managing partner Javier Robalino is experienced in a wide range of energy matters, including oil and gas, which is a strength of the wider group. Indeed, Andrés Donoso, who leads the team, is an expert in oil and gas, with the ability to provide specific advice at all levels of the crude production and distribution chain. Elsewhere, senior associate Cristina Coello stands out for regulatory advice in the oil and gas space, but her work also extends to the mining and environmental spaces, including advice on environmental licenses issued by the Ministry of Environment.

Responsables de la pratique:

Andrés Donoso


Principaux clients

Lowell Mineral


Smart Energy


PCR


Tenaris


Orion


Gran Tierra


Wayra


Hoerbiger


Masgas


EnergyLider


PCR


Solaris Resources


SLB


Principaux dossiers


Tobar ZVS

Tobar ZVS is a popular choice for clients in relation to mining, energy, natural resources and infrastructure projects, particularly for contractual matters relating to such projects. César Zumárraga heads the team, which has ‘deep knowledge of the mining sector and extensive experience managing complex cases’. Zumárraga leads on the department's mining mandates at all stages of the life cycle. The deep bench in the team includes associate Juan Martín Alarcón, who concentrates on mining and renewable energy matters. The wider group is noted for its strong relationship with regulatory authorities and key players in the mining industry, and Domenica Arroyo, who often represents clients in administrative proceedings before mining authorities, is another key name at associate level. Juan Fernando Larrea is another key contact.

Responsables de la pratique:

Cesar Zumarraga


Les références

‘Deep knowledge and expertise in energy and natural resources matters. They have years of honest and transparent practice.’

‘Deep knowledge of the mining sector and extensive experience managing complex cases. The team is uniquely qualified to understand its clients’ needs and exposures, thus providing optimal advice.’

‘What distinguishes the team from others is its exceptional commitment to its clients’ cases, its ability to anticipate complex scenarios, and its strong relationships with authorities and key players in the mining industry.’

Principaux clients

Solgold


Lumina Gold


Challenger Gold


KAARÚ


Aurania Resources


Bactech Environmental


Barka Capital


Titan Minerals


Principaux dossiers


  • Assisted Soldgold with strategic negotiations with the Government of Ecuador, resulting in the signing of the Cascabel project’s mining contract.
  • Advised SoldGold on the structuring of a financing package of $750m for its Cascabel project.
  • Acted for Lumina Gold in negotiations that resulted in signing the terms and conditions agreement for the Cangrejos Project.

AVL Abogados

With over 20 years of experience in hydrocarbons and mining, AVL Abogados supports clients through all project phases, from exploration to export. The energy and natural resources practice is prominent in the electricity sector, advising on auctions, concessions and regulations for renewable and traditional energy.  It counts major international mining firms among its clients, and its expertise includes significant M&A and project financing projects. Practice heads include Rodrigo Borjas Callisto, who leads on oil, mining and infrastructure financing; Xavier Andrade Cadena, who is key in M&A and foreign investment; and Jorge Cevallos Carrera, who oversees the energy department, specialising in M&A, project finance and regulatory approvals for energy projects.

Responsables de la pratique:

Jorge Cevallos Carrera; Rodrigo Borja Calisto; Xavier Andrade Cadena


Principaux clients

Lundin Gold


BHP


Dundee Precious Metals


Exploraciones Mineras Andinas Ecuador Emsaec


Gransolar


Ecoluz


Thesan Group


Osisko Gold Royalties


Osisko Bermuda


Principaux dossiers


  • Advised Lundin Gold Ecuador on all legal matters with a special focus on mining matters.
  • Assisted Gransolar with permits and processes before the Ministry of Energy and Mines, as well as the regulation and control agency.
  • Acted for Ecoluz in a comprehensive legal analysis of the applicability of specific electric regulations to its projects in Ecuador.

Dentons Paz Horowitz

Dentons Paz Horowitz is a go-to firm for regulatory advice in the energy sector, particularly in relation to entering Ecuador’s renewable energy sector. Maria Del Mar Heredia heads the team and leads many of the team's matters in the renewable energy space. Firm co-founder Jorge Paz Durini is another standout team member, and draws upon his experience in tax to work on contractual matters with suppliers and in tax matters across the energy and natural resources spectrum.

Responsables de la pratique:

María del Mar Heredia


Les références

‘The team combines experience in different areas with a vision that encompasses all the issues to be considered in problem-solving. A major advantage is that they are part of a large international firm, which facilitates the handling of issues that may require the intervention of lawyers from other countries.’

‘Jorge Paz Durini is an excellent lawyer with extensive experience and a strong grasp of problem-solving.’

Principaux clients

Construecuador


Aring Construcciones


Jorge Paz


Altair Minerals


Rio Dorado Limited


Petrolia


Baker Hughes


Cecal


Lacec


Ecuacorriente


Gransolar


Patterson-UTI


Pino Elizalde Abogados

Pino Elizalde Abogados is a popular choice for those looking to enter the Ecuadorian market and require assistance with matters such as licensing. The group also displays regulatory expertise, which the firm utilises to assist clients with navigating complex administrative procedures. The team is formed of multidisciplinary practitioners, including practice head Stevie Gamboa, who ‘combines sharp analytical skills with an impressive strategic mindset, making him a key asset in high-stakes negotiations’ and acts in energy-efficient real estate projects using clean energy. Name partner Daniel Pino is an experienced M&A practitioner and in 2024 leveraged these skills to assist with joint ventures for new mining projects.

Responsables de la pratique:

Stevie Gamboa


Les références

‘The team is exceptional. What truly makes them unique is their deep knowledge of the energy sector and their ability to adapt to our specific needs. In-house counsel should know that this team stands out for its rapid response and practical solutions. Their personalised approach and commitment to excellence is good. Recently, they have incorporated advanced technology and promoted diversity within their team, which improves collaboration and efficiency. These initiatives keep them at the forefront of the market.’

‘The team stands out for its deep knowledge and experience in the sector. Led by Stevie Gamboa, who has more than twenty years of experience in strategic sectors, and supported by professionals such as Melanie Matamoros, the firm offers a comprehensive and personalised approach.’

Pino Elizalde Abogados stands out as a truly exceptional firm in the field of Energy and Natural Resources. What sets this practice apart is its unparalleled commitment to client-centric service, ensuring a level of personalisation that is rare in the industry. The team’s synergy is remarkable, and each member communicates with precision and clarity, fostering a seamless workflow that translates into highly efficient legal solutions.’

Principaux clients

Hancock Prospecting


Cervecería Nacional


Genera Renovables


Mincosmo


Ecoluxen


Torata Mining Resources


Powerchina


Aurania Resources


Solaris Resources


Agnamar


Kca Deutag


Uribe Schwarzkopf


Grupo Marriott


Liris


Altamira


Principaux dossiers


  • Advised Hancock Prospecting, through its Ecuadorian subsidiary, on negotiations with the Empresa Nacional Minera del Ecuador (ENAMI) for the joint development of new mining areas in the north of the country.
  • Advised Hancock Prospecting, through its Ecuadorian subsidiary, on negotiations with Titan Minerals for the development of the Linderos Project.
  • Advising Solaris Resources on the legal structuring and implementation of a groundbreaking partnership that allows the Warints ancestral community to engage in mining activities within their territory, as part of the Warintza Project.

Noboa, Peña & Torres, Abogados

Noboa, Peña & Torres, Abogados stands out for adeptly dealing with cross-border contracts for the construction and operation of power plants, such as services contracts. Senior associate Francisco Larrea leads the team and is key for the group's contentious work. Founding partner and multidisciplinary practitioner Patricio Peña Romero is another name to note for contractual issues. Peña and Larrea are well supported by senior associate Andrés Egas Terán, who joined the team in August 2024, and is equally skilled at assisting with energy projects in the public and private sector, including state-owned companies which own oilfields.

Responsables de la pratique:

Francisco Larrea Naranjo


Principaux clients

Cobra Instalaciones y Servicios


Cuyabenopetro


Cobra Oil & Gas


Santa Elena Petroleum Santalenapetro


Montecz


GTM Ecuador


Innomotics


Aumaproc


Spingarn

Spingarn advises on contractual agreements, predominantly in the non-renewable energy space such as mining and hydrocarbons. The practice continues to grow with the expansion into electrical infrastructure mandates. Sebastián Saá Tamayo oversees the team and is known for having knowledge of regulatory compliance, government negotiations and contractual structuring, while senior associate Lisseth Armijos Romero is notable for public procurement for renewable energy projects and related M&A.

Responsables de la pratique:

Sebastian Saá Tamayo


Principaux clients

Magnitude


PetroTal Corp


Atico Mining Corporation


Geodesa / Stim


JRG Energy


Pecksambiente


Compañía Minera La Plata


Enchapes Decorativos Endesa


Grupo Sigmaplast


Transfuel


Servicios Navales VO120


Smart Energy


Voldge International


Meta Power Solutions


Compañía Minera La Plata


Principaux dossiers


  • Advised Petrotal on developing an international crude transit project.
  • Advised Endesa on the process of constructing its own electrical infrastructure.
  • Advised Agnamaron on the renewal of its supply contract for the provision of fuel oil with Ecuador’s state-owned oil company.