Best Lawyers Near You in San Juan, Puerto Rico for Corporate and M&A Law
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...
Julio Pietrantoni is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law and Corporate and M&A Law. Julio practices law in San Juan, Puerto Rico Best Lawyers has recognized Julio Pietrantoni since 2015. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Julio Pietrantoni is held by other lawyers.
Rafael Hernández-Miranda is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Rafael practices law in San Juan, Puerto Rico Best Lawyers has recognized Rafael Hernández-Miranda since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Rafael Hernández-Miranda is held by other lawyers.
José Fernando Rovira-Rullán is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. José Fernando practices law in San Juan, Puerto Rico Best Lawyers has recognized José Fernando Rovira-Rullán since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which José Fernando Rovira-Rullán is held by other lawyers.
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...
Marta S. Ramírez-Isern is a lawyer recognized by Best Lawyers in the practice areas of Corporate and M&A Law and Real Estate Law. Marta S. practices law in San Juan, Puerto Rico Best Lawyers has recognized Marta S. Ramírez-Isern since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Marta S. Ramírez-Isern is held by other lawyers.
Boris Jaskille is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Boris practices law in San Juan, Puerto Rico Best Lawyers has recognized Boris Jaskille since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Boris Jaskille is held by other lawyers.
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...
Pedro I. Vidal-Cordero is a lawyer recognized by Best Lawyers in the practice areas of Corporate and M&A Law and Corporate Governance & Compliance Practice. Pedro I. practices law in San Juan, Puerto Rico Best Lawyers has recognized Pedro I. Vidal-Cordero since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Pedro I. Vidal-Cordero is held by other law...
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...
Mr. Rodríguez, who joined the Firm in 1974, practices in the areas of tax exemption, general corporate and government contracts. He has negotiated and re-negotiated dozens of grants of tax exemption for companies owned by U.S., European and Puerto Rican entities, including Johnson & Johnson, Schering-Plough, Medtronic, Harvey Hubbell, Astra-Zeneca (U.K.), Aventis (France) and MOVA (Puerto Rico).
Juan Carlos Méndez is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Juan Carlos practices law in San Juan, Puerto Rico Best Lawyers has recognized Juan Carlos Méndez since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Juan Carlos Méndez is held by other lawyers.
Walter F. Alomar-Jiménez is a Capital Member in the Corporate Department of O'Neill & Borges LLC with over 20 years of experience. Walter has been consistently listed in Best Lawyers as a leading attorney for real estate, corporate and M&A transactions. Over the years, Walter has been involved in transactions related to all aspects of real estate, commercial finance, creditor's rights, distressed asset acquisitions, mergers & acquisitions and general corporate practices. Wa...
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.
