
The environmental practice at Creel, García-Cuéllar, Aiza y Enríquez, S.C., lauded by one client as the 'best in the business', is equipped to deliver advice on 'high-pressure transactions' and advisory environmental mandates alike. Core areas of expertise include applications for environmental permits, environmental impact authorisations, air quality and emissions matters, and environmental zoning and ecological ordinance programmes. Following the January 2025 integration of litigation-focused boutique Martínez, Algaba, de Haro y Curiel, the practice group's dispute resolution capabilities were notably strengthened. A recent mandate of note saw the group advise Mill Point Capital on the acquisition of the commercial refrigeration and food service equipment businesses of Fomento Económico Mexicano. The practice is directed by Carlos de Icaza, who specialises in real estate-related transactions and advising clients on compliance with federal, state and municipal environmental regulations. Counsel Alejandro Castelló, who draws on experience advising pension funds and private equity funds on real estate investments and assisting corporations with environmental advisory matters. However, senior associate Mariana Westendarp and associate Jessica Villaverde left the firm in January 2025 and June 2024 respectively.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘They have extensive knowledge of the subject.' 
- ‘Karen Castro - very helpful and professional.' 
- 'Creel is my go-to firm when I have environmental issues that arise in Mexico. Their team is the best in the business, and they operate seamlessly with international teams working on high-pressure transactions.' 
- 'I have worked most closely with Carlos de Icaza - he knows the law, is expert at applying it in international transactions, and is generally a good person who is great to work with.'
Key clients
- Legacy Vulcan
- UPS
- Terminal KMS de GNL
- General Atlantic
- Inmobiliaria Hills
- Holcim
- Emergent Cold LatAm Management
- Platinum Equity
- MetLife
- Steel Dynamics
Work highlights
Assisted UPS with the acquisition of Estafeta.
Assisted Mission Hills with updating environmental permits and licenses and providing legal assessment in connection with compliance with environmental regulations.
Assisted CALICA with its operations in Mexico, including, environmental matters in relation to forestry vegetation, environmental impact and ecological ordinance.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Alejandro Castelló
Practice head
Carlos de Icaza
Other key lawyers
Alejandro Castelló
