Mexico

Ritch Mueller y Nicolau 

Ritch, Mueller y Nicolau is a premier Mexican law firm founded in 1975 with a strong transactional focus, originally advising international banks. Today, it is a multidisciplinary powerhouse serving domestic and global clients across sectors. From its Mexico City office, the firm offers top-tier counsel in banking, capital markets, M&A, energy, tax, real estate, dispute resolution, and more. Its team, educated at leading institutions in Mexico and abroad, brings deep expertise and international perspective to complex legal matters. Ritch Mueller is widely recognized for its sophisticated, client-focused approach across a broad spectrum of financial and regulatory practices. 

Highlights 

Ritch, Mueller y Nicolau solidified its position as a market leader in 2024 through its counsel on some of the year’s most transformative transactions. The firm advised Mexico Infrastructure Partners on the IFLR Loan Deal of the Year winning acquisition of Iberdrola’s power assets, including the structuring of the acquisition trust and equity vehicle through a public CKD offering subscribed by the Mexican National Infrastructure Fund. It also represented Arroyo Energy Group in the sale of Pemcorp to a Fibra E, including merger control clearance. The firm advised the Central American Bank for Economic Integration on the reopening of medium-term notes and acted for HSBC México and BBVA México in key financings. Ritch Mueller also supported Fibra Monterrey in a refinancing and guided WeWork México through a complex out-of-court restructuring, preserving operational continuity. These mandates underscore the firm’s depth in energy, capital markets, and financial restructuring. 

Key Clients 

Key clients include Arroyo Energy Group, Banco Santander, Bank of America, Banorte, Banco Centroamericano de Integración Económica (CABEI), BBVA México, Credit Agricole, Fibra Monterrey, HSBC México, Mexico Infrastructure Partners, WeWork México 

Testimonials 

Banking and finance 

“They have the most expertise in the market, combined with swift responses and availability as well as a business mindset.” 

M&A 

“They are extremely business-orientated and quick to respond. Their legal knowledge combined with their client management style makes them unique.” 

“Their lawyers have extensive expertise in the field and always seek to match the client's ideas."