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Sophie Marquet

Avocat Associé | Partner

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

Sophie Marquet is the Partner in charge of Employment and Real Estate & Construction teams.

In the field of employment law, her field of intervention covers both individual labour relations (contracts of employment, non-compete clauses, non-disclosure and non-solicitation agreements, commission and bonus plans, termination, negotiated settlements, mutually agreed terminations, etc.) and collective relations. She also handles litigation in these areas.

She provides advice to businesses involved in acquisitions, mergers, sales and restructuring operations, and assists her clients with social audits. She has built up a considerable expertise in helping companies with implementing restructuring plans, potentially leading to collective compulsory and voluntary redundancy programs. She also advises businesses in the Hotel industry on social relations and social risks specific to this sector.

In the field of real estate, Sophie Marquet provides advice to Monegasque and international clients including banks, real estate companies, landlords and tenants in the areas of commercial real estate, real estate purchases and sales, drafting contracts and lease agreements, and construction and property development.

Areas of expertise of the real estate team include:

  • Investments disposal & Foreclosure 
  • Commercial & Civil occupation 
  • Construction & Development 
  • Town planning and environmental 
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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."


CMS Pasquier Ciulla & Marquet, created in 2017 through CMS’ tie-up with leading local firm PCM Avocats, impresses with ‘strong sector coverage’. Considered by clients as the ‘most diverse law firm in Monaco’, it handles a broad mix of transactional, regulatory and contentious matters. Managing partner Olivier Marquet is the key contact for banking, finance and M&A and enjoys strong relationships with financial institutions; he advised the lenders on a €60m real estate financing. Sophie Marquet is recommended for employment and real estate work.

Legal 500 EMEA 2018 : Commercial, Corporate / M&A

Sophie Marquet stands out for her "knowledge of international law", real estate and employment advice.

Legal 500 EMEA 2017 : Commercial, Corporate / M&A


  • 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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  • STEP (Society of Trust and Estate Practioners)
  • American Bar Association
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  • Getting The Deal Through: Labour and Employment - Monaco Chapter (2019)
  • Getting The Deal Through: Real Estate - Monaco Chapter (2019)
  • Chambers Global Practice Guides "Employment" - Monaco Chapter(2018)
  • Getting The Deal Through: Real Estate - Monaco Chapter (2018)
  • Chambers and Partners “The Employment Relationship"- Monaco Chapter  (2017)
  • Getting The Deal Through: Labour and Employment  - Monaco Chapter (2017)
  • Getting The Deal Through: Real Estate - Monaco Chapter (2017)
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Show only
20 May 2020
COV­ID-19 & Crim­in­al li­ab­il­ity faced by busi­nesses
Act No 1.488 of 11 May 2020 was pub­lished in the Journ­al de Monaco on 15 May. Find out more.
15 May 2020
CMS Ex­pert Guide to COV­ID-19 cor­por­ate crime & reg­u­lat­ory is­sues
16 June 2020
Monaco busi­ness com­munity turns to cor­por­ate in­tern­al in­vest­ig­a­tions
Whis­tleblower series: Monaco For an in­tern­al in­vest­ig­a­tion in Monaco, the spe­cif­ic type of al­leg­a­tion will – in many cases – de­term­ine how an in­quiry should be con­duc­ted. For ex­ample, if an em­ploy­ee...
Over­view of Em­ploy­ment law land­scape in Monaco
In the Monaco chapter of the 2020 Lex­o­logy GT­DT Guide on La­bour & Em­ploy­ment, Soph­ie Mar­quet and Florence De Guz­man de Saint Nic­olas provide an over­view of the loc­al reg­u­lat­ory land­scape. Find out more.
31 March 2020
CMS Ex­pert Guide to COV­ID-19 im­pact on lease agree­ments
COV­ID-19 is dom­in­at­ing the glob­al news and af­fect­ing all areas of busi­ness life. For both land­lords and ten­ants, the ques­tion arises as to the im­pact of the COV­ID-19 pan­dem­ic on their lease re­la­tion­ships. In this guide you will find a use­ful over­view of the im­pact COV­ID-19 has on leases across vari­ous jur­is­dic­tions. Please note that this com­par­at­ive ana­lys­is is based on our cur­rent eval­u­ation and is a sub­ject to fur­ther up­dates and amend­ments.
COV­ID-19 and Con­tin­ued Activ­ity
This art­icle provides in­form­a­tion on the latest em­ploy­ment meas­ures en­vis­aged by the Monaco Gov­ern­ment. Find out more.
COV­ID-19 and HR Risk Man­age­ment | Dis­missals
The Prince's Gov­ern­ment is for­bid­ding all dis­missals dur­ing this peri­od, ex­cept in the event of ser­i­ous mis­con­duct. In this con­text, un­der what con­di­tions can dis­missals be im­ple­men­ted?
Force ma­jeure, a rem­edy for COV­ID-19?
The concept of force ma­jeure, some­times thought to be ob­sol­ete, is non­ethe­less one of the most ef­fect­ive solu­tions to deal with non-per­form­ance in the con­text of the COV­ID-19 pan­dem­ic.
Real es­tate wealth tax (RE­WT)
Al­though the real es­tate wealth tax is a French tax, it may be pay­able by any per­son resid­ing in Monaco and own­er in France of one or more prop­er­ties held dir­ectly or through an en­tity.
COV­ID-19 et Ges­tion RH
La crise sanitaire con­fronte ac­tuelle­ment les en­tre­prises à des dif­fi­cultés in­édites dans la ges­tion de leur per­son­nel. Suivez le guide !
March 2020
CMS On your radar | Is­sue 12
In this edi­tion of On Your Radar, find the latest de­vel­op­ments in em­ploy­ment law in a num­ber of jur­is­dic­tions.
27 November 2019
CMS Pasquier Ciulla Mar­quet & Pas­tor signs Monaco’s Na­tion­al En­ergy Trans­ition...
CMS Pasquier Ciulla Mar­quet & Pas­tor signs Monaco’s Na­tion­al En­ergy Trans­ition Pact