Department profile
O'Neill & Borges LLC

Tax

Latin America Guide 2027 : Puerto Rico

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O'Neill & Borges LLC

Rankings

About

Provided by O'Neill & Borges LLC

For over 60 years, O'Neill & Borges LLC is one of the leading tax law firms in Puerto Rico with substantial experience in income tax, tax exemption, sales and use, excise tax, and local taxes such as municipal license tax and property tax issues. It has ample experience in tax planning and structuring for Puerto Rico investments, operations, reorganizations, liquidations, and various other types of transactions, including for controlled foreign corporations (CFCs), among others. It is experienced negotiating tax incentives, tax grants, closing agreements, rulings on complex issues, qualification of pension plans, and in administrative procedures before the Treasury Department, PRIDCO, the Centre for the Collection of Municipal Revenues (CRIM) and municipalities. It provides advice on qualification for free trade zones (FTZ), export services (Act 20), Tax Exemption (Act 60), Qualified Opportunity Zones, among others. It also has extensive experience in litigation of tax issues.

Chambers Review

Provided by Chambers

Tax - Puerto Rico

Band 1

What the Team is Known For

O'Neill & Borges is a highly acclaimed powerhouse firm and fields a sizeable team of tax specialists in Puerto Rico. The department is highly active advising clients on the structuring of tax-efficient vehicles for major M&A transactions and negotiating tax incentives. Its noted bench of strong practitioners has in-depth experience representing clients in administrative proceedings, including tax audits and ruling requests. The firm boasts an impressive roster of key clients from the finance and energy industries.

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Work Highlights

Provided by Chambers

  • O'Neill & Borges acted for Millicent Manufacturing in relation to its establishment in Puerto Rico, advising on corporate structuring and tax exemption matters.

Strengths

Provided by Chambers

  • The amount of experience and knowledge O’Neill & Borges possess is truly astonishing. They have never failed to advise us on complex tax issues.

    Tax respondentLatin America

  • The strengths that distinguish this department are its local expertise in Puerto Rico and its ability to address highly technical and sensitive matters in an integrated and strategic manner.

    Tax respondentLatin America

Notable Practitioners

Provided by Chambers

  • Amaya Iraolagoitia
    Amaya Iraolagoitia

    Amaya Iraolagoitia

    San Juan-based practitioner Amaya Iraolagoitia continues to elicit praise from market observers for her specialised tax practice. She frequently represents clients in contentious matters involving income tax, municipal licences and property taxes.

    • Amaya Iraolagoitia is an exceptional legal practitioner in the tax sphere in Puerto Rico.

      Tax respondentLatin America

    • Amaya Iraolagoitia is an expert lawyer in complex tax matters, with solid handling and monitoring of tax benefits and incentives. She provides excellent guidance on compliance and the proper preservation of these benefits.

      Tax respondentLatin America
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  • Cristina Morazzani-Jové
    Cristina Morazzani-Jové

    Cristina Morazzani-Jové

    Cristina Morazzani-Jové enters the rankings this year following strong client endorsement for her work in the Puerto Rican tax market.

    • Cristina Morazzani-Jové has extensive knowledge of tax matters and she understands the business. The quality of her work is excellent.

      Tax respondentLatin America
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  • Denisse Ortiz
    Denisse Ortiz

    Denisse Ortiz

    Partner Denisse Ortiz continues to garner praise from clients for her experience in handling tax matters in Puerto Rico. She regularly assists with the tax structuring of corporate and financial transactions.

    • Denisse Ortiz has deep technical knowledge of tax matters, allowing her to handle complex issues with confidence and strategic judgement. The quality of her work is consistent and rigorous, with meticulous attention to detail and a practical, solutions-oriented approach.

      Tax respondentLatin America
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  • Rosa González-Lugo
    Rosa González-Lugo

    Rosa González-Lugo

    Respected partner Rosa González-Lugo is highly experienced in assisting clients with the tax structuring of transactions as well as tax exemptions.

    • Rosa González-Lugo is a valuable resource for us as a tax adviser. She is very attentive to the matters on which we work with her.

      Tax respondentLatin America
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Ranked Individuals at O'Neill & Borges LLC (4)

Puerto Rico

Members

Provided by O'Neill & Borges LLC

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