Ernesto Mayoral

McConnell Valdés LLC

Mr. Ernesto N. 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, and insurance companies and producers. He has also acted as lead counsel in a wide range of corporate transactions, including commercial real estate acquisitions and securities offerings.

From 1991 until he joined the firm in June 1994, Mr. Mayoral was the Director of the Legal Division of Popular, Inc. Prior to this he served as Legal Counsel to Banco de Ponce from 1982 until its merger with Banco Popular in 1990.

From 1990 until 1994 Mr. Mayoral was a member of the Puerto Rico Bar Examination Board  and an Associate Professor on Banking Law at the Interamerican University School of Law in 1993 and 1994.

Mr. Mayoral has consistently been ranked as one of Puerto Rico’s Leading Attorneys in the Corporate/Commercial field by the renowned international publication Chambers & Partners in its Latin America Guide.


  • Commonwealth of Puerto Rico
  • U.S. District Court District of Puerto Rico
  • U.S. Court of Appeals 1st Circuit


  • B.A., Johns Hopkins University, 1978
  • J.D., University of Puerto Rico Law School, 1981


  • Puerto Rico Bar Association
  • American Bar Association, Business Law Section
  • Puerto Rico Notarial Bar Association


Rate : $$$

What types of cases Attorney Ernesto Mayoral & McConnell Valdés LLC can handle?
McConnell Valdés LLC can handle cases related to laws concerning Corporate, Banking, Insurance, White Collar Crime, Mergers & Acquisitions, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is McConnell Valdés LLC located?
McConnell Valdés LLC is located at 270 Av. Luis Muñoz Rivera, San Juan, 00918, Puerto Rico. You can reach out to McConnell Valdés LLC using their phone line 787.250.2617. You can also check their website or email them at [email protected].
How much would it cost to hire McConnell Valdés LLC?
Ernesto Mayoral lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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McConnell Valdés LLC
Avenida Luis Muñoz Rivera 270
San Juan 00918 San Juan PR
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