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Clifford Chance

Clifford Chance
Sonsoles Callejo

Sonsoles Callejo


Sonsoles Callejo

Sonsoles Callejo is part of the White-Collar Crime, Compliance and Investigations practice in Clifford Chance Spain.

She has experience in defending and advising corporations in criminal proceedings, in the implementation and development of compliance programmes, in conducting cross-border investigations and anti-bribery and corruption due diligence processes, and in advising on money laundering and international sanctions related issues.

  • Advising and representing a telecoms company in criminal proceedings against commercial partners due to concealment of assets.
  • Advising a real estate developer in relation to a criminal investigation of the manipulation of the public auction for plots of land.
  • Advising a first division football league coach in relation to a tax fraud investigation at Court.
  • Advising the Spanish subsidiary of a British telecom company in relation to a criminal investigation of corrupt conduct in public tenders.
  • Internal investigation of a private university due to an alleged scheme of corruption, intellectual property offences and other irregularities that involved, among others, senior management, reported internally by a student.
  • Internal investigation on compliance with a financial institution's internal policies by one of its executives.
  • Preparing a due diligence for an investment fund concerning corruption and money laundering risks before the acquisition of a number of Spanish companies within the energy sector.
  • Conducting a major Government- led AML investigation stemming from allegations that customers of a bank´s Baltic subsidiaries had facilitated money laundering.
  • Advising a Norwegian renewable energy generation company on the implementation in Spain of a compliance programme (crime prevention plan) in accordance with the requirements of article 31 bis of the Spanish Criminal Code, together with other compliance policies and procedures in general.
  • Advising a group dedicated to the manufacture and transformation of wood-based products on several sanctions-related issues deriving from its business activities and international transactions involving the importation of goods.

News and client work

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Contact details

Career and qualifications

  • Universidad de Navarra Degree in Law 2015
  • Universidad de Navarra Master's Degree in Access to the Legal Profession (Máster de Acceso a la Abogacía) 2016
  • Universidad de Navarra Master Degree in Tax Consultancy 2016
  • Admitted as lawyer (abogado) in Spain 2016
  • Joined Clifford Chance in 2019

Professional bodies

  • Member of the Madrid Bar Association