José María Alonso advises clients on the regulatory aspects of complex corporate transactions and litigation against Spanish public administrations and administrative courts.

Mr. Alonso draws on nearly a decade as a Spanish State Attorney to guide private equity firms and large corporates on Spanish public law matters and EU regulation, particularly in the financial, energy, and infrastructure industries, including:

  • Regulatory aspects of M&A
  • Public law concessions, permits, and authorizations
  • Foreign direct investments
  • Public procurement matters
  • Environmental law issues  

Leveraging his experience at the Ministry of the Presidency and Public Administration and his work as Technical General Secretary of Spain's Ministry of Economy and Business, he combines a deep understanding of the European market with a commercially driven approach to transactions.

Mr. Alonso’s experience includes advising:

  • H2B2 Electrolysis Technologies, a Spain-based green hydrogen platform that provides solutions across the hydrogen value chain, on its business combination with RMG Acquisition Corp. III
  • Solum Partners on acquiring a stake in Agrupa Lettuce, a Spain-based fruit and vegetable producer
  • The Carlyle Group on acquiring a majority stake in Garnica Group, a leading global manufacturer of premium plywood solutions, from ICG
  • SATS on acquiring Worldwide Flight Services (WFS), a France-based air cargo logistics, ground handling, and technical services provider
  • Repsol, a Spanish energy company, on:
    • Acquiring 100% of the share capital of Asterion Energies and its subsidiaries in Spain, France, and Italy 
    • Selling a 49% stake in the Valdesolar photovoltaic project to The Renewables Infrastructure Group
    • Selling a 49% stake in its Delta wind farm portfolio to Pontegadea
  • TA Associates on acquiring the esPublico group, a Spanish group of companies that develops legal and economic content platforms
  • Global Infrastructure Partners (GIP) and KKR on a majority stake in Vantage Towers, a Germany-based mobile telecommunications tower infrastructure operator, in a joint venture with Vodafone
  • EIG Global Energy Partners on the US$4.8 billion acquisition of a 25% stake in Repsol Upstream, a Spain-based exploration and production company
  • Latécoère on acquiring Malaga Aerospace, Defense & Electronics Systems, a Spain-based manufacturer of airborne electronic systems and applications
  • Brookfield Asset Management on acquiring Spanish slate producer Cupa from The Carlyle Group
  • CVC on its €1.994 billion investment in LaLiga, Spain’s professional football league
  • Block (previously Square) on the financial regulatory aspects of acquiring a qualifying holding in Clearpay, a Spain-based payments company, in the context of Afterpay’s US$29 billion global acquisition
  • The ad hoc group of bondholders on Spanish shipping company Naviera Armas’ restructuring
  • Grupo Gransolar’s shareholders on the sale of a 60% stake to Trilantic for €425 million
  • Platinum Equity on acquiring Urbaser, one of the world’s largest providers of environmental services, from China Tianying for an enterprise value of approximately US$4.2 billion
  • Sener and Masdar on selling Torresol Energy Investments, a company in the thermosolar energy industry, to Q-Energy
  • X-Elio Energy, a Spain-based renewable energy services provider, on selling its solar assets portfolio to China Three Gorges
  • Cerner on selling its IT healthcare portfolio in Spain and Germany to CompuGroup Medical for €225 million
  • Spanish corporates challenging regulations and enforcement decisions before the Spanish administration, the National Court, and the Supreme Court

Bar Qualification

  • Spain (Abogado)


  • Dual Degree Program in Business Administration and Management (ADE) and Law (E-3), ICADE - Universidad Pontificia de Comillas - Madrid, 2007

Languages Spoken

  • English
  • French
  • Spanish