Department profile
A&O Shearman

Competition/European Law

Europe Guide 2026 : Spain

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A&O Shearman

Rankings

Chambers Review

Provided by Chambers

Competition/European Law - Spain

Band 2

What the Team is Known For

A&O Shearman moves up in the rankings this year on the back of positive referee feedback. The law firm combines a strong international practice and expertise in local competition law. It possesses particular skills assisting clients with merger control proceedings before the local and EU authorities, being additionally well placed to advise on litigation and investigations, including appealing fines imposed by the CNMC and damages actions. The team often acts for private equity firms and companies operating in the energy and finance sectors.

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Work Highlights

Provided by Chambers

  • A&O Shearman advised Abertis on the merger control aspects of its acquisition of Trados 45.

Strengths

Provided by Chambers

  • The lawyers have wide knowledge of antitrust rules, are very practical in their assessments, and their wide network across the globe is key for international operators.

    Competition/European Law respondentEurope

  • A&O Shearman knows our sector and how the market works very well. The team is quick, agile and are very competent.

    Competition/European Law respondentEurope

  • The team is distinguished by its technical quality and speed. This combination allows the team to offer sound, rigorous legal advice that is aligned with the deadlines required.

    Competition/European Law respondentEurope

  • The lawyers are quick to respond, deeply knowledgeable and consistently helpful. Their analyses are clear, practical, and easy to follow, and they bring strong mastery of competition law.

    Competition/European Law respondentEurope

Notable Practitioners

Provided by Chambers

  • Antonio Martínez
    Antonio Martínez

    Antonio Martínez

    Antonio Martínez is a well-established figure in the market with notable experience in handling merger control procedures, often acting for private equity houses and energy companies. In addition, he assists clients with CNMC investigations into alleged abuses of dominance and bid rigging, as well as damages actions.

    • Antonio Martínez stands out for his ability to adapt quickly, he knows when an immediate response is key and when it's more strategic to wait. This skill demonstrates excellent professional judgment.

      Competition/European Law respondentEurope

    • It is always a pleasure to work with Antonio Martínez. He has a very pragmatic approach when it comes to providing advice, which is very much needed for in-house teams.

      Competition/European Law respondentEurope

    • He has a good overall analysis, doesn't lose too much time in details and takes a step back to have a holistic view. He still has his feet on the ground and doesn't just delegate.

      Competition/European Law respondentEurope

    • I have absolute confidence in him.

      Competition/European Law respondentEurope
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  • Jaime Rodríguez
    Jaime Rodríguez

    Jaime Rodríguez

    Jaime Rodríguez regularly advises clients on merger control procedures, particularly in the financial services and energy sectors.

    • Jaime Rodríguez has a great technical understanding, gives you quick responses, is available and provides great quality as well. He gives us everything we need.

      Competition/European Law respondentEurope

    • His business acumen is outstanding; he understands the needs of the business and integrates them into his work.

      Competition/European Law respondentEurope

    • Jaime Rodríguez has absolute attention to detail, is always looking at applicable regulation and is up to date on any changes.

      Competition/European Law respondentEurope

    • He is a brilliant and exceptionally helpful lawyer. He consistently simplifies complex competition-law issues into clear, accessible guidance. He is a true partner and offers unwavering support.

      Competition/European Law respondentEurope

    • He gives you total confidence and calm.

      Competition/European Law respondentEurope
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  • Enrique Ferrer Poggio
    Enrique Ferrer Poggio

    Enrique Ferrer Poggio

    Enrique Ferrer Poggio has notable experience in competition proceedings before the CNMC and Spanish courts, including high-profile damages actions. He also dedicates a significant part of his practice to merger control filings and compliance programme work.

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Ranked Individuals at A&O Shearman (3)

Spain

A&O Shearman has rankings in the following guides

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