Berta Viqueira Sierra

Berta Viqueira, criminal lawyer in CECA MAGÁN Abogados Berta Viqueira Sierra Criminal and Economic Criminal Law Area Director

Criminal lawyer with expertise in internal investigations. She has earned reputation as a distinguished trial lawyer for legal strategy in numerous high-profile criminal proceedings. Her experience as investigator covers a wide range of areas, including the representation of national and international companies in the event of offences with regard to corruption, business secrets, embezzlement, health-related fraud and unfair competition, among others.

Areas of expertise


  • Internal investigations
  • Criminal procedure
  • Crime prevention


Years of experience

  • Over 15 years

Teaching Experience

  • Coordinator of the module on crimes against the market and consumers in the course of High Specialisation in Economic Criminal Law at the School of Legal Practice of the Complutense University

Academic Education

  • Universidad Complutense of Madrid - Law degree


  • Spanish
  • English


  • Surfing


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