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Olivier Marquet

Olivier Marquet

Avocat Associé | Managing Partner

Villa des Cigognes
17 rue Louis Aureglia
BP 450
98012 Monaco Cedex
Languages French, English

Olivier Marquet is the firm’s Managing Partner and the head of the Banking & Finance team.

His expertise spans all types of regulatory issues, financial products and transactions, including for instance the creation or acquisition of a bank or financial institution, banking monopoly, bank secrecy, Franco-Monegasque banking agreements and also monetary agreements between the Principality of Monaco and the European Union, the SEPA agreement, measures to combat money laundering, terrorist financing and corruption, Monegasque financial law, Monegasque banking laws, banker's liability law, laws on credit and syndicated loans, credit guarantees, debt restructuring and the preparation of documents for clients to exercise banking and financial activities. His expertise also covers data protection law.

Olivier also regularly represents banks and financial institutions, and their executives, in litigation proceedings, including criminal proceedings, before Monegasque courts.

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Olivier Marquet represents private individuals and companies in disputes, as well as advising on real estate financing, market exits and corporate restructurings. Interviewees particularly highlight Marquet for his activity in the banking sector.

Chambers Global & Europe - Corporate/Commercial: Monégasque and Dispute Resolution: Monégasque 2020

Olivier Marquet is a standout name for banking matters, renowned for his profound knowledge of the foundation of banks and financial institutions, as well as bank secrecy matters.

Who's Who Legal Banking - Finance 2020

The "very strong" team at CMS Pasquier Ciulla Marquet & Pastor is highly regarded for banking, finance and real estate matters. Highlights included key contact Olivier Marquet advising a major global bank on a high-value asset sale.

Legal 500 EMEA 2019 : Commercial, Corporate and M&A

Olivier Marquet is "a thoughtful, diligent lawyer," according to interviewees, who further praise his "deep understanding of my business." He advises clients on a broad range of transactional mandates and has a particular focus on the banking sector.


"Olivier Marquet is praised highly by clients, who highlight his "impressive professionalism and availability as a practitioner". He is considered a specialist in acquisitions and regulatory matters."

WWL 2019


  • Monaco Bar (2005)
  • Visiting Scholar, Duke University - School of Law (US)
  • Postgraduate Degree in Business Law, University of Nice
  • Postgraduate Degree in International Business Law, Aix-Marseille University
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  • Participant at the Modernisation Committee of the Business Law in Monaco
  • Accredited Advisor of "Monaco Private Label"
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  • Getting the Deal Through: Private Banking & Wealth Management - Monaco Chapter (2020)
  • "Monaco - Data Protection in the Financial Sector", DataGuidance by OneTrust  (November 2019)
  • "Informed client or uninitiated client: legal criteria for distinguishing between the two", Banking & Finance - Monaco (2019-2020)
  • Getting the Deal Through: Private Banking & Wealth Management - Monaco Chapter (2019)
  • Getting the Deal Through: Securities Finance - Monaco Chapter (2019)
  • Getting the Deal Through: Banking Regulations - Monaco Chapter (2019)
  • M&A in Monaco, Global Practice Guide, Chambers and Partners (2019)
  • "ICOs: an innovative unidentified object for European regulators?", Banking & Finance - Monaco (2018-2019)
  • "Disputes when exchanging tax information based on a bilateral agreement", Banking & Finance - Monaco (2018-2019)
  • Getting the Deal Through: Banking Regulation - Monaco Chapter (2018)
  • Getting the Deal Through: Private Banking and Wealth Management - Monaco Chapter (2018)
  • "Article L.511-33 of the Monetary and Financial Code no longer holds any secrets for the Court of Revision", Banking & Finance - Monaco (2017-2018)
  • "A Monaco, as elsewhere, fishing (for information) is forbidden", Banking & Finance - Monaco (2017-2018)
  • Getting the Deal Through: Private Banking and Wealth Management - Monaco Chapter (2017)
  • "Electronic signature: is it time to let ink go?", Banking & Finance - Monaco (2016-2017) 
  • "Compliance, the territorial principle and the legally binding nature of contracts", Banking & Finance - Monaco (2016-2017)
  • "The status of company director", Actions Simplifiées
  • Co-editor of "Editions Lexis Nexis-Jurisclasseur, Fascicules de droit monégasque"
  • "Justice : information, vigilance, supervision, guidance – what obligations must Monaco’s depositary banks meet?", Banking & Finance - Monaco (2015-2016) 
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Lectures list

  • Lecturer at the Institute of Business Law of the Aix-Marseille University (Master's degree in Business Law, specialised in Corporate Law)
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Show only
20 May 20
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