Best Lawyers Near You in San Juan, Puerto Rico for Corporate and M&A Law
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Anthony Maceira Zayas is an attorney at MZLS LLC whose practice focuses on Corporate and M&A Law. He advises businesses on corporate governance, mergers and acquisitions, and a wide range of transactional matters, working with clients in San Juan and throughout Puerto Rico. Anthony has been recognized by Best Lawyers in the practice area of Corporate and M&A Law since 2026. This recognition is based on a peer-review process that reflects feedback from other attorneys familiar with his...
His main areas of practice are mergers & acquisitions, public financing, debt restructuring, project finance, distribution & sales representation laws and contracts, government bids & contracts, and public-private partnerships. Mr. Céspedes chaired the Firm’s Corporate Practice Group from 2002 to 2018. He is ranked as one of Puerto Rico's Leading Attorneys in the Corporate/Commercial field by the international publication Chambers & Partners in both its Global and...
Boris Jaskille is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Boris, who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Boris is held by other top lawyers in the same geographic and legal practice area.
Mr. Mayoral acts as lead counsel in a wide range of banking, securities, and insurance acquisitions, and on regulatory applications to federal and Puerto Rico banking agencies. His practice is concentrated in banking, financial, and insurance regulatory matters, as an advisor for banks and other financial institutions (including international banking entities doing business in Puerto Rico), and insurance companies and producers. He has also acted as lead counsel in a wide range of corporate t...
Ms. Diez is an experienced trial attorney with over 15 years of practice with a successful litigation record representing employers. She provides legal counseling in all areas of employment law. She actively litigates employment lawsuits and administrative matters, both in local and federal forums, with excellent results for clients. Her practice focuses on preventive counseling and litigation in diverse topics, including wrongful termination, employment discrimination, wage and hour, retalia...
Mr. García-Negrón is a securities, corporate and commercial finance attorney who focuses on providing practical advice and creative solutions to clients in a wide variety of business matters and industries, including domestic and foreign banking and financial services, investment management, hospitality, real estate, education, telecommunications, life sciences, healthcare, aviation and energy. He also counsels clients on estate and trust planning and is very active in the entre...
José R. Cacho is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Debt & Equity. José R., who practices law in San Juan, Puerto Rico, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José R. is held by other top lawyers in the same geographic and legal practice area.
Alfredo Alvarez-Ibáñez is a member in the Corporate Department. He has been with O’Neill & Borges since 1996. Alfredo’s practice is concentrated in various areas of commercial law and creditors’ rights, including real estate, commercial lending, secured transactions, asset-based finance, and complex out-of-court workouts and restructurings, representing both local and U.S.-based financial institutions and businesses. Alfredo’s practice also involves c...
José L. Notario-Toll is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. José L., who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José L. is held by other top lawyers in the same geographic and legal practice area.
Julio Pietrantoni is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Corporate and M&A Law. Julio, who practices law in San Juan, Puerto Rico, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julio is held by other top lawyers in the same geographic and legal practice area.
Mr. Méndez-Benabe chairs McConnell Valdés' Corporate Practice Group. His practice focuses on corporate and financing transactions, including mergers and acquisitions, commercial financing and public finance. He also has extensive experience with public private partnerships and financial institutions regulations. Over the years, he has advised banks, broker-dealers, and other financial institutions on corporate (including mergers & acquisitions) matters, the structuring and n...
Samuel Rosado-Domenech is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Samuel, who practices law in San Juan, Puerto Rico, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Samuel is held by other top lawyers in the same geographic and legal practice area.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.