Marta Portuondo is an associate in the Madrid office of Latham & Watkins. She advises national and international clients from different industries on general corporate matters, cross-border mergers and acquisitions, private equity, and venture capital transactions. She has also assisted companies on restructuring processes.

Ms. Portuondo has experience advising on the following areas:

  • Mergers and acquisitions
  • Private equity
  • Restructuring and special situations
  • Capital markets

Ms. Portuondo's experience includes advising:    

  • Solum Partners on acquiring Agrupa Lettuce, a leading Spanish agricultural holding company
  • EIG on acquiring a 25% stake in Repsol Upstream, a global oil and gas exploration and production company, for US$4.8 billion
  • Karnov Group in the context of its offer to acquire the legal information businesses of Thomson Reuters in Spain and Wolters Kluwer in Spain and France
  • Platinum Equity in the €3.5 billion acquisition of Urbaser, a Spanish waste management company with operations in 25 countries, from China Tianying
  • The Carlyle Group in the acquisition of Altadia, a leading Spanish ceramic products manufacturer
  • Cathay, Drake, and Seaya in the €450 million Series F funding round of Glovo, one of the world’s leading multi-category delivery players
  • Cementos Balboa, a portfolio company of KKR engaged in cement production, in its acquisition by Votorantim Cimentos
  • Inflexion in the acquisition of a 40% stake in Auxadi Contables & Consultores, one of Spain’s top accounting firms, with operations in 16 countries
  • KKR in the sale of its portfolio company Papresa, the first operator of newsprint in southern Europe, to Quantum Capital
  • Sun European Partners in the sale of Famosa, the leading Spanish toy manufacturer, to Italian competitor Giochi Preziosi
  • Triton Partners in the acquisition of Fertiberia, a Spain-based company that manufactures and markets fertilizers and agricultural chemicals, from Grupo Villar Mir
  • Partners Group in the creation of the joint venture, Aristeas Logística, a platform for investment in logistic real estate assets

Bar Qualification

  • Spain (Abogado)


  • LLM Business Law, IE Law School, 2019
  • BBA in Business Administration, Instituto de Empresa, 2018
  • LL.B in Law, Instituto de Empresa, 2018