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Guillermo Meilán
Guillermo Meilán

Contact

gmeilan@perezllorca.com
T: +34 91 423 24 54
Paseo de la Castellana, 50
28046 Madrid
Spain

Profile

Guillermo Meilán joined Pérez-Llorca in September 2017. Prior to this, he worked for a number of years as a lawyer in the Investigations, White Collar & Fraud department at an American law firm.

Studies:

  • 2015 Postgraduate degree in Compliance, Universidad Carlos III de Madrid / Universitat Pompeu Fabra (First edition of this postgraduate degree)
  • 2013 Joint Honours Degree in Law and Economy, Universidad Carlos III de Madrid

He speaks Spanish, English and French.

Experience

Guillermo has more than 12 years of experience advising executives, individuals and national and international business groups in the white collar crime field, both in the pre-litigation phase and in complex legal proceedings. His experience mainly covers:

  • Crimes against property and the socioeconomic order, including fraud, misappropriation, unfair administration, criminal insolvency, corruption, corporate crimes, and money laundering.
  • Crimes against the Public Treasury and Social Security, with a special focus on investigations into complex tax fraud and opaque corporate structures.
  • Crimes against workers’ rights, the environment and the public administration, such as prevarication, bribery, embezzlement and influence peddling.

Guillermo regularly participates in domestic and international internal investigations in Spanish and foreign companies, aimed at detecting accounting irregularities, corrupt practices, internal fraud and conflicts of interest in sectors particularly exposed to criminal or reputational risks. He also frequently advises on designing, reviewing and updating criminal compliance programmes.

Lastly, he has participated in some of the most significant extradition proceedings in Spain in recent years, defending the interests of foreign governments.

Academic and publishing collaborations

Guillermo has been a lecturer on the Master’s Degree in Telecommunications, Data Protection, Audiovisual and Information Society Law at Universidad Carlos III de Madrid since 2020. He also regularly publishes articles on white collar crime in specialised media and in the press (Diario La Ley, Aranzadi, Cinco Días and Expansión, among others).

Professional Organisations

  • The Madrid Bar Association (ICAM).
  • Club Español de la Litigación de los Negocios (CEL).

Recognition

Guillermo has been featured in the Best Lawyers® legal directory under ‘Criminal Defence’.

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Guillermo Meilán

Licence No. 108956

The Madrid Bar Association

Team

Lawyers

Practices and Sectors
Position
Office

Guillermo Meilán

Licence No. 108956

The Madrid Bar Association

Office

Madrid

Contact

gmeilan@perezllorca.com
T: +34 91 423 24 54
Paseo de la Castellana, 50
28046 Madrid
Spain

Profile

Guillermo Meilán joined Pérez-Llorca in September 2017. Prior to this, he worked for a number of years as a lawyer in the Investigations, White Collar & Fraud department at an American law firm.

Studies:

  • 2015 Postgraduate degree in Compliance, Universidad Carlos III de Madrid / Universitat Pompeu Fabra (First edition of this postgraduate degree)
  • 2013 Joint Honours Degree in Law and Economy, Universidad Carlos III de Madrid

He speaks Spanish, English and French.

Experience

Guillermo has more than 12 years of experience advising executives, individuals and national and international business groups in the white collar crime field, both in the pre-litigation phase and in complex legal proceedings. His experience mainly covers:

  • Crimes against property and the socioeconomic order, including fraud, misappropriation, unfair administration, criminal insolvency, corruption, corporate crimes, and money laundering.
  • Crimes against the Public Treasury and Social Security, with a special focus on investigations into complex tax fraud and opaque corporate structures.
  • Crimes against workers’ rights, the environment and the public administration, such as prevarication, bribery, embezzlement and influence peddling.

Guillermo regularly participates in domestic and international internal investigations in Spanish and foreign companies, aimed at detecting accounting irregularities, corrupt practices, internal fraud and conflicts of interest in sectors particularly exposed to criminal or reputational risks. He also frequently advises on designing, reviewing and updating criminal compliance programmes.

Lastly, he has participated in some of the most significant extradition proceedings in Spain in recent years, defending the interests of foreign governments.

Academic and publishing collaborations

Guillermo has been a lecturer on the Master’s Degree in Telecommunications, Data Protection, Audiovisual and Information Society Law at Universidad Carlos III de Madrid since 2020. He also regularly publishes articles on white collar crime in specialised media and in the press (Diario La Ley, Aranzadi, Cinco Días and Expansión, among others).

Professional Organisations

  • The Madrid Bar Association (ICAM).
  • Club Español de la Litigación de los Negocios (CEL).

Recognition

Guillermo has been featured in the Best Lawyers® legal directory under ‘Criminal Defence’.

Office

Madrid

Contact

gmeilan@perezllorca.com
T: +34 91 423 24 54

Paseo de la Castellana, 50
28046 Madrid
Spain

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