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Portrait of Sophie Marquet

Sophie Marquet


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

Sophie Marquet is one of the founding partners of CMS Monaco and head of the Real Estate & Construction team, as well as head of the Employment team with about 18 years of experience. Sophie is an Avocat Défenseur at the Monaco Bar.

On the real estate front, Sophie leads a strong practice focused on all matters having an underlying real estate asset, both in litigation and counselling contexts. She provides advice to Monegasque and international clients, including investors (purchase or sale of real estate), landlords and tenants for both commercial and residential real estate, as well as owners for their renovation and construction projects, including getting necessary condominium authorizations. She also assists property developers in real estate audits aiming to analyse and litigate on the existence of easements, and banks in real estate audits where necessary. The team led by Sophie also advises in town planning matters in particular for Monaco based clients who own real estate in France.

Regarding her employment expertise, Sophie provides employers with litigation and strategic advice on all matters relating to handling labor relations, such as assessing termination options and settlements, drafting tailored employment contracts, setting up complex remuneration packages and incentives, addressing non-compete and non-solicit matters, securing confidentiality agreements, with a strong knowledge of the banking and financial sectors. She also assists employers with their collective relations with staff representatives and unions in particular in employment-related matters arising from mergers, acquisitions, sales and restructuring operations, such as employment transfers or mass (or individual) redundancies with(out) voluntary departure plans.

Sophie is repeatedly recognised as a leading practitioner by the prestigious international directories, such as Chambers & Partners and Legal 500.

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Sophie Marquet is regarded as a leading individual for employment law matters in Monaco. She assists with contract negotiations, restructurings and employment litigation. She also has experience in real estate matters, including property management mandates and lease agreements. "We really feel that we are in good hands with her. She has good expertise and pays attention to the details".

Chambers & Partners 2023 : General Business Law (Monaco)

Sophie Marquet is regarded as a leading individual for employment law matters in Monaco. She assists with contract negotiations, restructurings and employment litigation. Sophie Marquet also has experience in real estate matters, including property management mandates and lease agreements.

Chambers & Partners 2022 : General Business Law (Monaco)

Commentators describe Sophie Marquet as "efficient and responsive." She frequently represents employers in employment law disputes. Marquet also acts on contentious and non-contentious real estate matters.

Chambers & Partners 2021 : General Business Law (Monaco)

Sophie Marquet has advised us in many Monaco real estate transactions, her diligence has helped us avoid important pitfalls and saved us from unjustified claims. Her standing with important industry players opens the door for direct talks and rapid solutions.

Legal 500 EMEA 2021 : Commercial, Corporate and M&A (Monaco)

Sophie Marquet has a strong employment law practice, advising clients on the employment aspects of corporate matters, as well as representing clients in employment litigation. According to clients, she is "very calm, very organised and thorough in her approach." She also assists with real estate projects and leasing contracts. Interviewees appreciate that Marquet "will do her utmost to give clear answers or guidelines."

Chambers & Partners 2020 : General Business Law (Monaco)

Sophie Marquet acts on transactional mandates and is also noted for her work in employment matters. One source notes: "She is very dedicated and gives good advice. When I have a question I can ask her and she answers very quickly."

Chambers & Partners 2019 : Corporate / Commercial (Monaco)

Memberships & Roles

  • STEP (Society of Trust and Estate Practioners)
  • American Bar Association
  • IBA (International Bar Association)
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  • The new reality of employment – how to avoid a crisis?, Monaco Economie (2022)
  • The Law Reviews: The Real Estate Investment Structure Taxation Review – Monaco chapter (2021, 2022)
  • Getting The Deal Through: Labour and Employment - Monaco chapter (2017 - 2022)
  • Getting The Deal Through: Real Estate - Monaco chapter (2017 - 2021)
  • Chambers and Partners: The Employment Relationship - Monaco chapter  (2017)
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Lectures list

  • Guest lecturer at the University of Montpellier
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  • Monaco Bar (2015)
  • Trusts & Estates Practitioner, International Trusts Management Diploma, STEP (2013)
  • New-York Bar (2005)
  • LL.M.,Duke University School of Law (2004)
  • DESS-DJCE International Business Law , University of Aix Marseille III (2003)
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Com­mer­cial rent pay­ments in Monaco
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New re­form of co-own­er­ship
The au­tumn of 2022 will not be the quietest peri­od for Mone­g­asque co-own­er­ships and their syn­dic­ates. Law no. 1.531 of 29 Ju­ly 2022 made sub­stan­tial changes to the pro­vi­sions of Law no. 1.329 of 8 Janu­ary...
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Of­fers to buy or sell real es­tate are doc­u­ments that are of­ten hast­ily draf­ted by those in­volved in prop­erty trans­ac­tions, wheth­er they are act­ing as agents or mak­ing the of­fer them­selves, in or­der to...
Cre­ation of an an­nu­al right to rest
The European concept of an an­nu­al right to rest first ap­peared in a not­able rul­ing of 22nd Novem­ber 2011 by the European Uni­on Court of Justice (EU­CJ), ac­cord­ing to which paid leave have "a dual pur­pose...
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Law n°1.362 of 3 Au­gust 2009 on money laun­der­ing, ter­ror­ist fin­an­cing, and cor­rup­tion has sig­ni­fic­antly in­creased the ob­lig­a­tions of eco­nom­ic act­ors re­gard­ing the con­trol of fin­an­cial flows. This law...
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