Marta Rios

Partner since 2017 ––– Madrid
Member no. 70402 of the Madrid Bar Association
Main practice areas
  • Capital Markets

  • Company Law and Corporate Governance

  • English

  • French

  • German



Marta Rios is a partner based in the Madrid office of Uría Menéndez. She joined the firm in 2001 and works in the Capital Markets Law Practice Area.

Marta’s practice focuses on company and securities law, as well as corporate governance. Her experience in securities law includes advising on IPOs, issuances and offers of shares, and mergers and acquisitions. She regularly advises listed companies on corporate governance, issues related to general shareholders’ meetings and the role of the secretary to the board of directors, and assists clients with general corporate and commercial law matters related to securities markets.

Continue reading


  • Law Degree, Universidad Pontificia Comillas ICADE, Madrid, 2001
  • Business Administration Degree, Universidad Pontificia Comillas ICADE, Madrid, 2002

Professional associations

  • Madrid Bar Association
  • International Bar Association

Teaching activity

She lectures on the “Practical Guide for a Legal Advisor to Listed Companies” advanced programme (organised by IE Law School Executive Education) and teaches on the International Master’s Degree in Business Law at Wolters Kluwers.

Marta lectured on the Master’s Degree in Company Law at the Universidad de Navarra Law School and on a share capital increase and decrease techniques programme organised by the Fundación Francis Lefebvre. She also collaborated with Luis de Carlos on the financial system law course at the Universidad Pontificia de Comillas (ICADE).

Marta regularly participates and lectures in seminars and conferences related to her areas of expertise.

Recent publications

  • Marta Rios, Ibai Puente González, Ana Bengoechea Lázaro. In Capital Markets Global Guide. London: Practical Law Company, 2020

  • Marta Rios, Sebastián Sáenz de Santa María. In 2019 Práctica mercantil para abogados. Los casos más relevantes en 2018 de los grandes despachos. Rafael Sebastián (Coordinador). Las Rozas (Madrid): La Ley-Wolters Kluwer, 2019

  • Marta Rios, Ignacio Zarzalejos Toledano. In 2015 Práctica mercantil para abogados. Los casos más relevantes en 2014 de los grandes despachos. Rafael Sebastián (Coordinador). Las Rozas (Madrid): La Ley, 2015

  • Luis de Carlos, Marta Rios, Ana Menéndez Díaz. In European Securities Law. Raj Panasar (Editor), Philip Boeckman (Editor). Oxford: Oxford University Press, 2010

  • Gabriel Núñez, Marta Rios. In Revue Trimestrielle de Droit Financier, n.º 1-2, 2009