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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 co-head of the Banking & Finance and Business & Investments' teams.

In the field of Banking and Financial law, his expertise covers 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 Community, 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.

He regularly advises clients on asset acquisition and sale transactions (audits, transfer of ownership agreements, warranties, shareholders' agreements, etc.), long-term financing operations (capital increases by new share issues, capital reductions, etc.), internal restructuring operations (mergers, partial asset transfers, etc.), the creation of companies or joint ventures of all forms, business closures and more generally all company law matters. His expertise in the practice area of business law also covers corporate criminal law and data protection law.

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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 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

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.



  • Monaco Bar (2005)
  • Postgraduate Degree in Business Law, University of Nice
  • Postgraduate Degree in International Business Law, University of Aix-Marseille
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  • Participant at the Modernisation Committee of the Business Law in Monaco
  • Accredited Advisor of "Monaco Private Label"
  • Speaker for the Master degree in Business Law, specialised in Corporate Law, Institut de Droit des Affaires d’Aix-Marseille
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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 - 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, comme ailleurs, la pêche (aux informations) est formellement interdite", Banking & Finance - Monaco (2017-2018)
  • Getting the Deal Through: Private Banking and Wealth Management - Monaco Chapter (2017)
  • "Conformité, territorialité des lois et force obligatoire des contrats", Banking & Finance - Monaco (2016-2017)
  • "Le statut du dirigeant de la Société", Actions Simplifiées
  • Co-editor of "Editions Lexis Nexis-Jurisclasseur, Fascicules de droit monégasque"
  • "Justice : Information, vigilance, surveillance ou conseil, quelles sont les obligations de la banque dépositaire à Monaco ?", Banking & Finance - Monaco (2015-2016)
  • "Electronic signature: is it time to let ink go?", Banking & Finance - Monaco (2016-2017) 
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27 Nov 19
CMS Pasquier Ciulla Mar­quet & Pas­tor signs Monaco’s...
CMS Pasquier Ciulla Mar­quet & Pas­tor moves to the “Villa...
New ad­dress: Villa des Cigognes | 17 rue Louis Aure­glia...
20 Sep 19
Banks and Man­age­ment Com­pan­ies
How to dis­tin­guish an in­formed cli­ent from an un­ini­ti­ated...
26 Jul 19
Be­ne­fi­cial Own­ers
All com­mer­cial and civil com­pan­ies, eco­nom­ic in­terest...
01 Jul 19
22 May 19
Com­bat­ing base erosion and profit shift­ing
Ac­ces­sion of the Prin­cip­al­ity of Monaco to the Mul­ti­lat­er­al...
16 May 19
Get­ting The Deal Through
Se­cur­it­ies Fin­ance
24 Apr 19
M&A in Monaco: trends, reg­u­la­tion and prac­tice
Cham­bers and Part­ners - Glob­al Prac­tice Guide - Cor­por­ate...
19 Apr 19
Could Mone­g­asque na­tion­als and res­id­ents soon be leg­ally...
28 Mar 19
Get­ting The Deal Through
Bank­ing Reg­u­la­tions
16 Jan 19
CRS - List of re­port­able, part­ner and non-re­cip­roc­al...
02 Jan 19
4th edi­tion, Cannes Pal­ais des Fest­ivals, 22-24 janu­ary...