Senior Associate

Guillermo Castañón Suquet

Senior Associate

His practice is focused on M&A transactions (coordination of the due diligence process up to the signing of the relevant closing documents), general corporate advisory and contract law.



Corporate M&A


Spanish, English

Conocer más



  • Fourlaw/ Lawyer | 2021 – Currently
  • Mavens/ Lawyer | 2020-2021
  • Despacho Jiménez de Parga (merged with Écija on 2019) / Lawyer | 2016 – 2020 
  • Ernst & Young Abogados / Lawyer | 2012 – 2016


  • LL.M. Master’s Degree in Corporate Legal Counseling at Instituto de Empresa. 2011-2012
  • Degree in Law and Diploma in Business Studies (E-1) at the Universidad Pontificia de Comillas (ICAI-ICADE). Specialization on public law. 2006-2011



Academic experience

Member of the oral examination board of the Master in Corporate Legal Counsel at Instituto de Empresa.

We thrive on challenges and, after many years of practice in large firms, decided to create a multidisciplinary team, combining technical excellence with practical and effective advice.

Commercial law, intellectual property and new technologies, tax, litigation and bankruptcy.

Madrid · Calle de Alcalá 93 (esquina Velázquez) 3º F, 28009 Madrid · Ver en mapa

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