Best Lawyers Near You in San Juan, Puerto Rico for Corporate and M&A Law
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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.
Her main areas of practice are banking law and financial services, with a focus on licensing, regulatory and compliance matters. For over 15 years, Ms. Salas-Díaz has worked with international banking and financial entities, investment advisors, broker-dealers, private equity funds, mortgage institutions and loan or finance companies from the United States, Canada, México, United Kingdom, China, Israel and Caribbean and Latin America (including Chile, Colombia, Argentina, Urugua...
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.
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...
Rosa M. Lázaro-San Miguel is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law, Employee Benefits Law and Insurance Law. Rosa M., 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 Rosa M. 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.
She is the Vice-Chair of McConnell Valdés' Corporate Practice Group. Her main areas of practice include general corporate matters, financial institutions, mergers and acquisitions in the insurance and banking industries, distribution and sales representative laws, insurance and healthcare services - including litigation - as well as regulatory matters and government and legislative affairs. Before joining McConnell Valdés, Mrs. Portela concentrated in the practice of civil and c...
Marta S. Ramírez-Isern is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Real Estate Law. Marta S., who practices law in San Juan, Puerto Rico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marta S. is held by other top lawyers in the same geographic and legal practice area.
José A. Meléndez Alfonzo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Energy Law. José A., who practices law in San Juan, Puerto Rico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José A. is held by other top lawyers in the same geographic and legal practice area.
Amaya Iraolagoitia is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Tax Law. Amaya, who practices law in San Juan, Puerto Rico, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amaya is held by other top lawyers in the same geographic and legal practice area.
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).
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.