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Ritch Mueller

Energy & Natural Resources

3 ranked lawyersBand 1MexicoLatin America 2022 View ranking table
chambers review
department information
Ranked Lawyers
chambers review
department information
Ranked Lawyers

Chambers Review

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

What the team is known for

Ritch Mueller is a heavyweight full-service firm in Mexico held in high esteem for its front-running energy team, which benefits from standout experience in handling high-value energy projects in the power sector, with activity in natural gas-fired power stations and renewable energy solutions such as wind farms and solar plants. Particularly valued for its expertise in financing the development of energy infrastructure, frequently acting for both project sponsors and financial institutions. Also boasts expertise in the sale and purchase of stakes in energy companies and infrastructure assets.


"They have extraordinary expertise and involvement, and they undoubtedly need to be highlighted," according to a client.

Other interviewees praise the lawyers' cross-border capabilities: "We have had a good experience working with them; they show a lot of professionalism."

Notable practitioners

Practice co-head Federico Santacruz González comes highly recommended by interviewees, with one client describing him as "very business-oriented; he is a partner who truly understands his clients and their business needs, plus his client service is good." Federico Santacruz González represents both energy companies and financiers in matters concerning the development of energy infrastructure in Mexico.

Jorge Oria y Anaya is praised by market commentators for his expertise in the energy sector in Mexico and is active in renewable energy projects. A client says: "Jorge Oria y Anaya is a great lawyer. He understands the big picture in complex transactions and provides clear advice."

Senior statesperson Thomas Mueller-Gastell earns widespread acclaim from peers and clients alike for his stellar track record in the energy arena in Mexico. One observer notes: "He understands business very well and has a pragmatic approach; he shines a light on potential impacts to the business." Thomas Mueller-Gastell is best known for his work in the power sector.

Department Information

This content is provided by Ritch Mueller.


Our Firm represents national and international lenders, investors, developers and contractors in connection with the financing, development and implementation of energy and infrastructure projects, including, among others, power (renewables and conventional), oil & gas (upstream, midstream and downstream), roads, water treatment, airports and ports. 

Our representation includes all stages of the projects, including providing advice related to project financing, bidding processes, project development, equity investment and divestiture, due diligence, regulatory matters, permitting, land and rights of way, offtake agreements, engineering, procurement, construction, operation, maintenance and other related agreements. Our projects team provides an integrated service in conjunction with other practice areas of the Firm, particularly our environmental and social and tax teams.

Through the past four decades, our award-winning projects team has gained a deep understanding of the relevant industries and has constantly adapted to meet market trends, changes in regulation and the need to provide innovative and sophisticated services to our clients.


Oria y Anaya, Jorge (Head of Department)

Santacruz González, Federico (Head of Department)

del Valle Mendiola, Gabriel

Echeverria González, Alejandra

Jiménez Adorno, Asaf

Mueller-Gastell, Thomas

Olivo Villa, Octavio


Ainda Energía e Infraestructura



Bluemex Power 1

Canadian Solar Services Mexico


EDP Renewables Europe

EDP Renováveis

EVM Energía

Fisterra Energy

Grupo Techint

Helios Generación


North American Development Bank

Overseas Private Investment Corporation

Société Générale

The Bank of Tokyo-­‐Mitsubishi

Tuli Energia




Financial Services


Mining & Metals

Renewable Energy


Energy & Natural Resources

Ritch Mueller


Av. Pedregal No. 24 10th floor

Molino del Rey

Mexico City

Ciudad de México



View Firm Profile

Articles, Highlights and Press Releases

Total 8 Articles, Highlights and Press Releases


Citibanamex, Société Générale and BBVA's project financing to Servitux.

Authors: Gabriel del Valle Mendiola, Ana Gabriela Martínez Kruyff, Carlos F. Chiossone López, Francisco Javier Vaqueiro Battaglia, Héctor A. Garza Cervera, Isabel Ortiz-Monasterio Borbolla, José Enrique Cruz Lozano


Ainda, Energía & Infraestructura's equity investment in Concesionaria Monterrey Nuevo Laredo

Authors: Gabriel del Valle Mendiola, Alejandra Echeverría González

Ranked Lawyers

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.


Energy & Natural Resources

Federico Santacruz González
Band 2
Jorge Oria y Anaya
Band 3
Thomas Mueller-Gastell
Senior Statespeople