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Muriel
Guillin-Modaine

Partner

Muriel Guillin-Modaine practices in real estate and construction law, both in advisory and litigation. She handles cases related to real estate asset transfers (sales/acquisitions of properties and/or real estate rights), structuring of real estate projects, development of real estate complexes (real estate development contracts, construction contracts, project management contracts, assistance during the reception and in the context of guarantees…), and commercial leases.
She works on cases involving all types of assets: industrial sites, warehouses, logistics platforms, office buildings, mixed-use buildings.
Muriel also advises companies on environmental issues, particularly in the remediation of contaminated sites and the implementation of environmental obligations.
She has also developed expertise in sustainability topics, mainly related to the CSRD, the duty of vigilance, and the CS3D.
She is recognized for her ability to work on complex transactions.

Capabilities

Practices

  • Real estate and construction law
  • Public law
  • Business litigation
  • Energy law

Sectors

  • Real estate, construction
  • Energy and natural resources
  • Public projects and assets, land development
  • Patrimonial
  • Tourism and leisure

Focus

  • CSR
  • Lawyers-Notaries

Languages

  • French
  • English

Qualifications

  • Admitted to the Paris Bar in 1997
  • 2024 Sustainability auditor certificate, a training approved by the Haute Autorité de l’Audit (H2Aà and delevered by AFNOR Compétences and Apave
  • 1995 Postgraduate diploma (DESS) in agri-food industry law: European law, University of Paris-I
  • 1993 Master’s degree in private law, University of Paris-I
  • 1993 Preparatory diploma in accounting and financial studies

Bars

  • Paris

Awards

Best Lawyer-Muriel Guillin-Modaine.jpg
Awards
Best Lawyers
Muriel Guillin-Modaine recognized in the 2026 edition of Best Lawyers France
The Legal 500-Muriel Guillin-Modaine.jpg
Awards Real Estate
Legal 500
Muriel Guillin-Modaine ranked in Legal 500 – 2025
Awards Compliance
Legal 500
De Gaulle Fleurance ranked in Compliance – Legal 500 Paris 2025
Awards Real Estate
Legal 500
De Gaulle Fleurance ranked in Construction – Legal 500 Paris 2025

News

Deals

SCHUTZ LOGO(packaging systems)
Deals 21 January 2025
Acquisition of a stake in Groupe Duo by SCHÜTZ: Fidal Avocats and De Gaulle Fleurance advise the parties on the transaction.
Deals 25 April 2024
De Gaulle Fleurance advised SunMind, a subsidiary of the VINCI group, on the creation its entity dedicated to decentralized solar energy in France, SunWave
Deals 8 February 2024
De Gaulle Fleurance advised the Banque des Territoires on its partnership with FREY in the Docks de Saint-Ouen retail complex

Articles

15 November 2024
Sustainability and new business models: HEC Paris and De Gaulle Fleurance launch the latest edition of their Observatory of Societal Transitions