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    Alberto Alonso

    Partner

    Contact

    • Madrid

    Alberto has a strong background in commercial law and corporate governance, making him a key advisor to clients in Spain and internationally

    Alberto is a lawyer specialising in commercial, corporate and securities market law, with more than four decades of experience. He has advised on numerous strategic transactions for listed companies, credit institutions, public companies and foundations, as well as in contractual and corporate arbitrations.

    Before joining ECIJA, Alberto was responsible for the areas of commercial, corporate and corporate governance law in prestigious firms such as Ramón y Cajal and Baker McKenzie. His professional career has been recognised by international directories such as Chambers & Partners, which highlight him in their respective practice areas.

    His experience in legal advice

    Related services

    • Capital markets
    • Corporate/Mergers and Acquisitions
    • Corporate Governance

    Related insights

    Recognition, News
    15 January 2026
    ECIJA strengthens its leadership in Capital Markets in the Annual Report of the Iberian TTR Market 2025

    ECIJA consolidates its position as one of the most influential firms in the Iberian capital markets and corporate transactions market, according to the 2025 Annual Report of the Iberian Market TTR.


    News
    31 October 2025
    ECIJA joins the M&A real estate ranking of TTR Data with over 820 million euros advised

    Cinc Dies highlights ECIJA among the ten most active firms in real estate transactions in Spain, consolidating its position in the corporate M&A market.

    Recognition
    9 October 2025
    ECIJA wins seven awards in the IFLR1000 2025 rankings

    ECIJA has been highlighted in five practice areas and two of its partners have been recognised among the most outstanding professionals in the Spanish market by IFLR1000 2025.

    "Alberto Alonso Ureba is top notch for Corporate/M&A in Spain. When I have a complicated, technical matter, he is the person I call to get some clarity".

    Chambers Global Legal Guide 2026