Photo of Yamary I. González-Berríos

Yamary I. González-Berríos

Capital Member and Vice-Chair, Tax Practice Group
787.250.5687 |


Ms. González-Berríos' practice emphasizes mergers and acquisitions, private equity, corporate finance and financial products.  She provides tax structuring advice to Puerto Rico, US and multinational clients. This advice includes structuring operations to benefit from tax and business incentives generally available under Puerto Rico Act 60 for Individual Investors, export service businesses, renewable energy projects, international financial entities, maritime transportation and private equity funds, among others.  She also advises clients on tax matters related to public-private partnership agreements with government entities under the Public Private Partnership Act of Puerto Rico.    

She has considerable experience on matters concerning partnerships and partnership taxation.  She also advises on Puerto Rico sales and use tax considerations for business transactions and nexus implications.  She represents clients in adversarial proceedings, requests for private letter rulings and negotiations of closing agreements before the Puerto Rico Treasury Department.

She also represents multinational oil and gas companies engaged in the importation, blending, storage, and distribution of fuel and fuel products.  She has extensive experience with the Puerto Rico excise taxes imposed on fuel products.    

Ms. González-Berríos is a member of the Employee Benefits practice group where she advises clients on the design, implementation and maintenance of equity compensation and other incentive plans, deferred compensation plans, benefit and retirement plans, and other compensation arrangements.  She advises plan sponsors with the qualification of retirement plans, and the correction of operational or administrative errors, with the Puerto Rico Treasury Department. 

She is ranked as one of Puerto Rico's Leading Attorneys in the Tax field by the international publication Chambers & Partners in its Latin America Guide. She is also ranked in the Tax field of The Best Lawyers in Puerto Rico guide.

Prior to joining McConnell Valdés, Ms. González-Berríos was a Legal Counsel with the Internal Revenue Area of the Puerto Rico Treasury Department. While with the Puerto Rico Treasury Department, she reviewed private letter rulings concerning a broad range of issues including corporate reorganizations, pass-through vehicles and employee benefits matters. She has also authored and reviewed income tax legislation and regulations. She also worked as a Senior Tax Consulting Manager in the Tax Department of Ernst & Young in San Juan, Puerto Rico.

She has been a speaker in seminars sponsored by the Puerto Rico Society of Certified Public Accountants and the Puerto Rico Chamber of Commerce.


News & Publications



Member, Strategic Planning Committee

Bar Admissions


B.B.A., Cum Laude, University of Puerto Rico, 1986

J.D., Magna Cum Laude, University of Puerto Rico Law School, 1989

LLM, Georgetown University Law Center, 1991


Puerto Rico Bar Association

Puerto Rico Society of Certified Public Accountants

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