Mia Dassas
Partner
Paris

Mia Dassas
Partner
Paris
Contact details
Mia is specialised in financial services regulatory matters. She has extensive experience in advising French and foreign credit institutions and other financial institutions on the French financial regulatory aspects applicable to their deals in France as well as on the organisational and conduct of business rules applicable to their activities.
Furthermore, Mia advised on several major regulatory matters related to Brexit, including on greenfield licensing procedures for banks, broker-dealers, payment institutions and other financial institutions, as well as on third-country branch establishments and the provision of cross-border financial services. Mia also has a significant experience in advising French and foreign clients in M&A transactions in the financial services area, notably on the regulatory procedures and contacts with the regulators.
Mia regularly advises payment and electronic money institutions on the rules applicable to their activities, as well as on the review and negotiation of their contracts with their clients or counterparties.
Next generation partner
Legal 500 2023 - France (Banking & Finance - Bank Regulatory)
Mia Dassas: expert in the field, high availability, very good involvement. Mia interacts like a business partner.’
Legal 500 2023 - France (Banking & Finance - Bank Regulatory)
Rising Star
Legal 500 2022 - France (Banking & Finance - Bank Regulatory)
"Counsel Mia Dassas specialises in financial regulatory and asset management matters."
Legal 500 2022 - France (Banking & Finance - Bank Regulatory)
Rising Star
IFLR 1000 2022 - France (Financial Services Regulatory, Banking)
"Counsel Mia Dassas is another key name."
Legal 500 EMEA 2021 - France (Banking & Finance: Bank Regulatory)
Rising Star
Legal 500 EMEA 2021 - France (Banking & Finance: Bank Regulatory)
Rising Star
IFLR 1000 2021 - France (Financial Services Regulatory, Banking)
Rising star
Legal 500 EMEA 2020 – France (Banking & Finance: Bank Regulatory)
"Department head Brice Henry (…) routinely advises on the setting-up, structuring and marketing of financial products and is robustly supported by experienced counsel Mia Dassas."
Legal 500 EMEA 2020 – France (Banking & Finance: Bank Regulatory)
Rising Star
IFLR 1000 2020 - France (Financial Services Regulatory, Banking)
“Mia Dassas, counsel in Brice's team, is a brilliant regulatory lawyer.”
IFLR 1000 2019 – France (Financial Services Regulatory)
“Counsel Mia Dassas provides key support.”
Legal 500 EMEA 2019 - France (Banking & Finance: Bank Regulatory)
Expertise
Practices
Sectors
Qualifications
Professional
Admitted to the Paris Bar, 2005
Admitted to the New York Bar, 2007
Academic
Masters of Laws (LLM), Duke University School of Law, Durham, North Carolina, 2001-2002
Doctor in Law (PhD.), University of Paris V René Descartes, Paris, 1999-2001, “A comparison of the mandatory takeover legal regimes under French, Swedish and UK law”
Post-Graduate Diploma in Law (DESS), Business Law, University of Paris V René Descartes, Paris, 1998-1999
Related articles

Publications: 08 September 2023
French law revisits the MiFID RTO Service definition
A new decree no. 2023-813 of 22 August 2023 (the Decree) just amended the French definition of the MiFID service of reception and transmission of orders (the RTO Service) since 1st September 2023.
Publications: 11 August 2023
Publications: 07 August 2023
Experience highlights
In 2018, advising MFEX, the Stockholm-based fund distribution platform, and Nordic Capital, on its acquisition of Axeltis, Natixis Investment Managers’ European fund distribution platform
In 2019 & 2020, advising Caisse des Dépôts et Consignations on its acquisition of a controlling stake in Groupe La Poste/La Banque Postale and Group CNP Assurances. This is a major M&A transaction, designed to create the biggest French public bank and insurance pole.
In 2021, advising Eurazeo on the EUR1.8bn sale to Advent International and subsequent co-control with Advent International of Planet, a major provider of integrated digital payment service.
In 2022, advising La Banque Postale on all financial regulatory aspects of the acquisition of BPCE’s stake in CNP Assurances for EUR2.4bn.

Expertise
Practices
Sectors
Qualifications
Professional
Admitted to the Paris Bar, 2005
Admitted to the New York Bar, 2007
Academic
Masters of Laws (LLM), Duke University School of Law, Durham, North Carolina, 2001-2002
Doctor in Law (PhD.), University of Paris V René Descartes, Paris, 1999-2001, “A comparison of the mandatory takeover legal regimes under French, Swedish and UK law”
Post-Graduate Diploma in Law (DESS), Business Law, University of Paris V René Descartes, Paris, 1998-1999
Recognition
Rising Star
IFLR 1000 2021 - France (Financial Services Regulatory, Banking)
Counsel Mia Dassas is another key name.
Legal 500 EMEA 2021 - France (Banking & Finance: Bank Regulatory)
Rising Star
Legal 500 EMEA 2021 - France (Banking & Finance: Bank Regulatory)
Rising Star
IFLR 1000 2020 - France (Financial Services Regulatory, Banking)
Rising star
Legal 500 EMEA 2020 – France (Banking & Finance: Bank Regulatory)
Department head Brice Henry (…) routinely advises on the setting-up, structuring and marketing of financial products and is robustly supported by experienced counsel Mia Dassas.
Legal 500 EMEA 2020 – France (Banking & Finance: Bank Regulatory)
Mia Dassas, counsel in Brice's team, is a brilliant regulatory lawyer.
IFLR 1000 2019 – France (Financial Services Regulatory)
Counsel Mia Dassas provides key support.
Legal 500 EMEA 2019 - France (Banking & Finance: Bank Regulatory)
Published Work
- Article: “Vers un cadre européen de la finance numérique », L’AGEFI, December 2020, Mia Dassas
- ePublication: “French law paves the way for the digital assets services providers regulation”, November 2019, Brice Henry, Mia Dassas, Pauline Robin
- ePublication: “New French Brexit-Related Ordinance”, March 2019, Brice Henry, Hervé Ekué, Mia Dassas, Clément Saudo
- French Brexit Law bulletin: “French draft bill addresses key Brexit legal concerns”, December 2018, Brice Henry, Delphine Marchand-Sauri, Mia Dassas